P0116

Factory Manual References

Factory service manual diagnostic procedure for 1999 audi a6

Diagnostic Trouble Codes (DTC) Index

DTC INDEX - 2.8L (AHA & ATQ ENGINES)

SAE Code	VAG Code	Code Description	Corrective Action
P0101	16485	Mass Air Flow (MAF) sensor -G70- Implausible signal	Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check hose setup of crankcase ventilation for secure seating and proper seal.
P0102	16486	Mass Air Flow (MAF) sensor -G70- Signal too small
P0103	16487	Mass Air Flow (MAF) sensor -G70- Signal too large
P0112	16496	Intake Air Temperature (IAT) sensor -G42- Signal too small	Intake Air Temperature (IAT) sensor, checking. See INTAKE AIR TEMPERATURE (IAT) SENSOR -G42-, CHECKING .
P0113	16497	Intake Air Temperature (IAT) sensor -G42- Signal too large
P0116	16500	Engine Coolant Temperature (ECT) sensor -G62- Implausible signal	Engine Coolant Temperature (ECT) sensor, checking. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING .
P0117	16501	Engine Coolant Temperature (ECT) sensor -G62- Signal too small
P0118	16502	Engine Coolant Temperature (ECT) sensor -G62- Signal too large
P0121	16505	Throttle/Pedal Pos. Sensor A Circ. Range/Performance	Check Throttle Position (TP) sensor -G69-. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P0122	16506	Throttle/Pedal Pos. Sensor A Circ. Low Input
P0123	16507	Throttle/Pedal Pos. Sensor A Circ. High Input
P0130	16514	Bank 1, sensor 1 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR CONTROL, CHECKING .
P0131	16515	Bank 1, sensor 1 Voltage too low
P0132	16516	Bank 1, sensor 1 Voltage too high
P0133	16517	Bank1, Sensor 1 Signal too slow
P0134	16518	Bank 1, sensor 1 No activity
P0136	16520	Bank1, Sensor 2 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P0137	16521	Bank1, Sensor 2 Voltage too low
P0138	16522	Bank1, Sensor 2 Voltage too high
P0139	16523	Bank1, Sensor 2 Signal too slow
P0140	16524	Bank1, Sensor 2 No activity
P0150	16534	Bank 2, sensor 1 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR CONTROL, CHECKING .
P0151	16535	Bank 2, sensor 1 Voltage too low
P0152	16536	Bank 2, sensor 1 Voltage too high
P0153	16537	Bank 2, sensor 1 Signal too slow
P0154	16538	Bank 2, sensor 1 No activity
P0156	16540	Bank 2, sensor 2 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P0157	16541	Bank 2, sensor 2 Voltage too low
P0158	16542	Bank 2, sensor 2 Voltage too high
P0159	16543	Bank 2, sensor 2 Signal too slow
P0160	16544	Bank 2, sensor 2 No activity
Note on misfire malfunctions: For malfunctions that may be caused by low fuel volume (i.e. combustion misfire), a low-fuel malfunction (DTC P1250) is also stored when there is less than 2 gallon of fuel remaining in the tank.
P0219	16603	Maximum engine speed exceeded	Repair mechanical damage
P0300	16684	Combustion misfire detected	Check fuel pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Test fuel injectors. See FUEL INJECTORS, CHECKING . Check spark plugs and ignition wires with connector Check ignition coils. See IGNITION COILS, CHECKING . Check ignition coils. See CHECKING GROUND (GND) SUPPLY OF POWER OUTPUT STAGE . Check misfire recognition. See MISFIRE RECOGNITION, CHECKING . Fill fuel tank with fuel Check hose setup of crankcase ventilation for secure seating and proper seal.
P0301	16685	Cyl. 1 combustion misfire detected
P0302	16686	Cyl. 2 combustion misfire detected
P0303	16687	Cyl. 3 combustion misfire detected
P0304	16688	Cyl. 4 combustion misfire detected
P0305	16689	Cyl. 5 combustion misfire detected
P0306	16690	Cyl. 6 combustion misfire detected
P0321	16705	Engine Speed (RPM) sensor -G28- Implausible signal	Check Engine Speed (RPM) Sensor -G28-. See ENGINE SPEED (RPM) SENSOR -G28-, CHECKING . Check Engine Speed (RPM) Sensor -G28-. See ENGINE SPEED (RPM) SENSOR -G28-, CHECKING .
P0322	16706	Engine Speed (RPM) sensor -G28- No signal
P0327	16711	Knock Sensor (KS) 1 -G61- Signal too small	Check knock sensor. See KNOCK SENSORS, CHECKING .
P0328	16712	Knock Sensor (KS) 1 -G61 Signal too large
P0332	16716	Knock Sensor (KS) 2 -G66- Signal too small
P0333	16717	Knock Sensor (KS) 2 -G66- Signal too large
P0341	16725	Camshaft Position (CMP) sensor -G40- Implausible signal	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .
P0346	16730	Camshaft Position (CMP) sensor -G163- Implausible signal
P0411	16795	Sec. Air Inj. Sys. Incorrect Flow Detected	Check secondary Air Injection (AIR) system. See SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING .
P0420	16804	Catalytic converter system, bank 1, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 1. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0421	16805	Primary catalytic converter, bank 1, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 1. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0422	16806	Main Catalyst, Bank1 Efficiency Below Threshold	Check Heated Oxygen Sensor (HO2S) -G39- and O2S control (bank 1, sensor 1). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL BEFORE TWC, CHECKING .
P0430	16814	Catalytic converter system, bank 2, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 2. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0431	16815	Primary catalytic converter, bank 2, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 2. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0432	16816	Main Catalyst, Bank2 Efficiency Below Threshold	Check HO2S -G108- and O2S control (bank 2, sensor 1). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL BEFORE TWC, CHECKING .
P0441	16825	Tank ventilation system Throughput faulty	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. Go to OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) .
P0442	16826	Tank ventilation system Small leak detected	Checking fuel supply and ventilation systems for leaks See EVAP CANISTER SYSTEM .
P0455	16839	Tank ventilation system Large leak detected
P0456	16840	Tank ventilation system Pinhole leak detected
P0501	16885	Vehicle speed signal Implausible signal	Check vehicle speed signal. See VEHICLE SPEED SIGNAL, CHECKING .
P0506	16890	Idle control Engine speed below specified value	Checking throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338 -, CHECKING . Check hose setup (intake manifold change-over valve and Secondary Air Injection - AIR- solenoid valve); check intake system for leaks (unmetered air). See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (UNMETERED AIR) . Check hose setup of crankcase ventilation for secure seating and proper seal.
P0507	16891	Idle control Engine speed above specified value
P0560	16944	Voltage supply Implausible signal	Check voltage supply for control module. See VOLTAGE SUPPLY FOR CONTROL MODULE, CHECKING .
P0562	16946	Voltage supply Voltage too low
P0563	16947	Voltage supply Voltage too high
P0571	16955	Brake light switch -F- Implausible signal	Check brake light switch and brake pedal switch. See BRAKE LIGHT SWITCH AND BRAKE PEDAL SWITCH, CHECKING .
P0601	16985	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P0604	16988	Control module faulty
P0605	16989	Control module faulty
P1102	17510	Bank 1, sensor 1, heating circuit Short circuit to B+	Check oxygen sensor heating. See OXYGEN SENSOR HEATING FOR OXYGEN SENSORS BEFORE AND BEHIND CATALYTIC CONVERTER, CHECKING .
P1105	17513	Bank 2, sensor 1, heating circuit Short circuit to B+
P1107	17515	Bank 2, sensor 1, heating circuit Short circuit to B+
P1110	17518	Bank 2, sensor 2, heating circuit Short circuit to B+
P1111	17519	Oxygen sensor control, bank 1 System too lean	Check oxygen sensor control before catalytic converter. See OXYGEN SENSOR CONTROL, CHECKING . Check hose setup of crankcase ventilation for secure seating and proper seal.
P1112	17520	Oxygen sensor control, bank 1 System too rich
P1113	17521	Bank 1, sensor 1 Internal resistance too large	Next check signal wires for contact resistance. See CHECK OXYGEN SENSOR WIRES BANK 1 FOR HEATED OXYGEN SENSOR (HO2S) 2 -G39- . If there are no contact resistances: Replace oxygen sensor.
P1114	17522	Bank 1, sensor 2 Internal resistance too large	Next check signal wires for contact resistance. See TESTING OXYGEN SENSOR WIRES . If there are no contact resistances: Replace oxygen sensor.
P1115	17523	Bank 1, sensor 1, heating circuit Short circuit to Ground (GND)	Check oxygen sensor heating. See OXYGEN SENSOR HEATING FOR OXYGEN SENSORS BEFORE AND BEHIND CATALYTIC CONVERTER, CHECKING .
P1116	17524	Bank 1, sensor 1, heating circuit Open circuit
P1117	17525	Bank 2, sensor 1, heating circuit Short circuit to Ground (GND)
P1118	17526	Bank 2, sensor 1, heating circuit Open circuit
P1119	17527	Bank 2, sensor 1, heating circuit Short circuit to Ground (GND)
P1120	17528	Bank 2, sensor 1, heating circuit Open circuit
P1121	17529	Bank 2, sensor 2, heating circuit Short circuit to Ground (GND)
P1122	17530	Bank 2, sensor 2, heating circuit Open circuit
P1127	17535	Bank 1, mixture adaptation (mult.) System too rich	Road test vehicle (fuel in oil). Check fuel system pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check intake system for proper seal. See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (UNMETERED AIR) . Check oxygen sensor before catalytic converter. See OXYGEN SENSOR CONTROL, CHECKING .
P1128	17536	Bank 1, mixture adaptation (mult.) System too lean
P1129	17537	Bank 2, mixture adaptation (mult.) System too rich
P1130	17538	Bank 2, mixture adaptation (mult.) System too lean	Check oxygen sensor behind catalytic converter. See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1131	17539	Bank 2, sensor 1 Internal resistance too large	Next check signal wires for contact resistance Page 24-100; if there are no contact resistances: Replace oxygen sensor
P1136	17544	Bank 1, mixture adaptation (add.) System too lean	Road test vehicle (fuel in oil). Check fuel system pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check oxygen sensor before catalytic converter. See OXYGEN SENSOR CONTROL, CHECKING . Check oxygen sensor behind catalytic converter. See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P1137	17545	Bank 1, mixture adaptation (add.) System too rich
P1138	17546	Bank 2, mixture adaptation (add.) System too lean
P1139	17547	Bank 2, mixture adaptation (add.) System too rich	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. See TANK VENTILATION, CHECKING .
P1140	17548	Bank 2, sensor 2 Internal resistance too large	Next check signal wires for contact resistance. See CHECK OXYGEN SENSOR WIRES FOR OXYGEN SENSOR (O2S) 2 BEHIND THREE WAY CATALYTIC CONVERTER (TWC) -G131- . If there are no contact resistances: Replace oxygen sensor.
P1141	17549	Load detection Implausible value	Check to be sure correct throttle valve control module is installed (part number) Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING .
P1142	17550	Load detection Limit not reached
P1143	17551	Load detection Limit exceeded
P1147	17555	Oxygen sensor control, bank 2 System too lean	Check oxygen sensor adaptation values and regulation. See CHECKING OXYGEN SENSOR ADAPTATION VALUES AND CONTROL . Check hose setup of crankcase ventilation for secure seating and proper seal.
P1148	17556	Oxygen sensor control, bank 2 System too rich
P1149	17557	Oxygen sensor control, bank 1 Unplausible control value	Check oxygen sensor adaptation values and regulation. See CHECKING OXYGEN SENSOR ADAPTATION VALUES AND CONTROL . Check fuel system pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check intake system for proper seal (unmetered air). See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (UNMETERED AIR) . Check hose setup of crankcase ventilation for secure seating and proper seal.
P1150	17558	Oxygen sensor control, bank 2 Unplausible control value
P1171	17579	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Implausible signal	Check angle sensor -1- for throttle drive. See ANGLE SENSOR -1- FOR THROTTLE DRIVE, CHECKING .
P1172	17580	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Signal too small
P1173	17581	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Signal too large
P1176	17584	Bank 1, oxygen sensor correction behind catalytic converter Control limit reached	Check oxygen sensor aging of oxygen sensor before catalytic converter. See OXYGEN SENSOR AGING (OXYGEN SENSOR BEFORE CATALYTIC CONVERTER), CHECKING . Check oxygen sensor and oxygen sensor control behind catalytic converter. See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P1177	17585	Bank 2, oxygen sensor correction behind catalytic converter Control limit reached
P1196	17604	O2 Sensor Heater Circ. Bank1-Sensor1 Electircal Malfunction	Check Oxygen Sensor (O2S) heater -Z19- (bank 1, sensor 1). See OXYGEN SENSOR (O2S) HEATER BEFORE TWC, CHECKING .
P1197	17605	O2 Sensor Heater Circ. Bank2-Sensor1 Electrical Malfunction	Check Oxygen Sensor (O2S) heater -Z28- (bank 2, sensor 1). See OXYGEN SENSOR (O2S) HEATER BEFORE TWC, CHECKING .
P1198	17606	O2 Sensor Heater Circ. Bank1-Sensor2 Electrical Malfunction	Check Oxygen Sensor (O2S) heater -Z29- (bank 1, sensor 2). See OXYGEN SENSOR (O2S) HEATER BEHIND TWC, CHECKING .
P1199	17607	O2 Sensor Heater Circ. Bank2-Sensor2 Electrical Malfunction	Check Oxygen Sensor (O2S) heater -Z30- (bank 2, sensor 2). See OXYGEN SENSOR (O2S) HEATER BEHIND TWC, CHECKING .
P1213	17621	Cylinder 1 fuel injector -N30- Short circuit to B+	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1214	17622	Cylinder 2 fuel injector -N31- Short circuit to B+
P1215	17623	Cylinder 3 fuel injector -N32- Short circuit to B+
P1216	17624	Cylinder 4 fuel injector -N33- Short circuit to B+
P1217	17625	Cylinder 5 fuel injector -N83- Short circuit to B+
P1218	17626	Cylinder 6 fuel injector -N84- Short circuit to B+
P1225	17633	Cylinder 1 fuel injector -N30- Short circuit to Ground (GND)	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1226	17634	Cylinder 2 fuel injector -N31- Short circuit to Ground (GND)
P1227	17635	Cylinder 3 fuel injector -N32- Short circuit to Ground (GND)
P1228	17636	Cylinder 4 fuel injector -N33- Short circuit to Ground (GND)
P1229	17637	Cylinder 5 fuel injector -N83- Short circuit to Ground (GND)
P1230	17638	Cylinder 6 fuel injector -N84- Short circuit to Ground (GND)
P1237	17645	Cylinder 1 fuel injector -N30- Open circuit	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1238	17646	Cylinder 2 fuel injector -N31- Open circuit
P1239	17647	Cylinder 3 fuel injector -N32- Open circuit
P1240	17648	Cylinder 4 fuel injector -N33- Open circuit
P1241	17649	Cylinder 5 fuel injector -N83- Open circuit
P1242	17650	Cylinder 6 fuel injector -N84- Open circuit
P1250	17658	Fuel level too low	Fill fuel tank with fuel Check wire connection between Engine Control Module (ECM) and instrument cluster according to wiring diagram Check signal from sender for fuel gauge and fuel gauge Repair Manual, Electrical Equipment, Repair Group 01, On Board Diagnostic (OBD) of instrument cluster; Read Measuring Value Block
Note on misfire malfunctions: For malfunctions that may be caused by low fuel volume (i.e. combustion misfire) a low-fuel malfunction
P1296	17704	Malfunction in cooling system	Check coolant temperature sensor. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING . Check coolant regulator Repair Manual, 2.8 Liter V6 5V Engine Mechanical, Engine Code(s): AHA, ATQ, Repair Group 19; Cooling system components, removing and installing
P1325	17733	Knock control, cyl. 1 Control limit reached	Check knock control. See KNOCK RECOGNITION CONTROL STOP, CHECKING .
P1326	17734	Knock control, cyl. 2 Control limit reached
P1327	17735	Knock control, cyl. 3 Control limit reached
P1328	17736	Knock control, cyl. 4 Control limit reached
P1329	17737	Knock control, cyl. 5 Control limit reached
P1330	17738	Knock control, cyl. 6 Control limit reached
P1335	17743	Engine torque monitoring 2 Control limit exceeded	Check hose setup Check Intake Air Temperature (IAT) sensor. See INTAKE AIR TEMPERATURE (IAT) SENSOR -G42-, CHECKING . Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check coolant temperature sensor. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING .
P1336	17744	Engine torque monitoring Control limit exceeded
P1337	17745	Bank 2, Camshaft Position (CMP) sensor -G163- Short circuit to Ground (GND)	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .
P1338	17746	Bank 2, Camshaft Position (CMP) sensor -G163- Open circuit / short circuit to B+
P1340	17748	Camshaft Position (CMP) / crankshaft position sensor Incorrect allocation	Check phase position of Camshaft Position (CMP) sensor. See CHECK PHASE POSITION OF CAMSHAFT POSITION (CMP) SENSOR .
P1347	17755	Bank 2 Camshaft Position (CMP) / crankshaft position sensor Incorrect allocation
P1386	17794	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1387	17795	Control module faulty
P1388	17796	Control module faulty
P1391	17799	Bank 1, Camshaft Position (CMP) sensor -G40- Short circuit to Ground (GND)	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .
P1392	17800	Bank 1, Camshaft Position (CMP) sensor -G40- Open circuit / short circuit to B+
P1393	17801	Ignition output 1 Electrical malfunction in circuit	Check activation or wiring connection from Engine Control Module (ECM) to power output stage. See CHECKING ACTIVATION .
P1394	17802	Ignition output 2 Electrical malfunction in circuit
P1395	17803	Ignition output 3 Electrical malfunction in circuit
P1410	17818	EVAP canister purge regulator valve -N80- Short circuit to B+	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. See EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE - N80-, CHECKING .
P1411	17819	Bank 2, Secondary Air Injection (AIR) system Throughput too low	Check fuse for Secondary Air Injection (AIR) pump Check vacuum hose setup Check hose setup from pump to combination valve for Secondary Air Injection (AIR) See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1414	17822	Bank 2, Secondary Air Injection (AIR) system Leak detected	Check hose setup from pump to mechanical Secondary Air Injection (AIR) valve, cylinder bank 2 See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1421	17829	Secondary Air Injection (AIR) solenoid valve -N112- Short circuit to Ground (GND)	Check Secondary Air Injection (AIR) system See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1422	17830	Secondary Air Injection (AIR) solenoid valve -N112- Short circuit to B+
P1423	17831	Bank 1, Secondary Air Injection (AIR) system Throughput too low	Check fuse for Secondary Air Injection (AIR) pump Check vacuum hose setup Check hose setup from pump to combination valve for Secondary Air Injection (AIR) See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1424	17832	Bank 1, Secondary Air Injection (AIR) system Leak detected	Check hose setup from pump to mechanical Secondary Air Injection (AIR) valve, cylinder bank 1 See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1425	17833	EVAP canister purge regulator valve -N80- Short circuit to Ground (GND)	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. See TANK VENTILATION, CHECKING .
P1426	17834	EVAP canister purge regulator valve -N80- Open circuit
P1427	17835	Activation of brake vacuum pump Short circuit to B+	Check activation of brake vacuum pump. See ELECTRIC VACUUM PUMP .
P1428	17836	Activation of brake vacuum pump Short circuit to Ground (GND)
P1429	17837	Activation of brake vacuum pump Open circuit
NOTE: DTCs P1427, P1428, and P1429 can only occur on vehicles with automatic transmission.
P1432	17840	Secondary Air Injection (AIR) solenoid valve - N112- Open circuit	Check Secondary Air Injection (AIR) system See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1433	17841	Secondary Air Injection (AIR) pump relay -J299- Open circuit
P1434	17842	Secondary Air Injection (AIR) pump relay -J299- Short circuit to B+
P1435	17843	Secondary Air Injection (AIR) pump relay -J299- Short circuit to Ground (GND)
P1436	17844	Sec. Air Inj. Sys. Pump Relay Circ. Electircal Malfunction	Check Secondary Air Injection (AIR) system output Diagnostic Test Mode (DTM), OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03)
P1471	17879	Leak Detection Pump (LDP) tank ventilation system Short circuit to B+	Check Leak Detection Pump (LDP) See EVAP CANISTER SYSTEM .
P1472	17880	Leak Detection Pump (LDP) tank ventilation system Short circuit to Ground (GND)
P1473	17881	Leak Detection Pump (LDP) tank ventilation system Open circuit
NOTE: DTC P1479 can only occur on vehicles with automatic transmission.
P1475	17883	Leak Detection Pump (LDP) tank ventilation system Malfunction / no signal	Check pressurized/vacuum lines to Leak Detection Pump (LDP) See EVAP CANISTER SYSTEM . Check electrical wire connections to Leak Detection Pump according to wiring diagram
P1476	17884	Leak Detection Pump (LDP) tank ventilation system Malfunction/vacuum pressure too low
P1477	17885	EVAP Emission Contr. LDP Circ. Malfunction	Check Evaporative Emission (EVAP) system Repair Manual, Fuel Supply System, Repair Group 20
P1479	17887	Brake vacuum system Mechanical malfunction	Perform a short trip in Engine Control Module (ECM) (basic setting; display group 8 with ignition on and selector lever in "P" or "N") Check hose setup to pump or from pump to brake booster Perform output Diagnostic Test Mode (DTM) in Engine Control Module (ECM) to check whether vacuum pump runs or is activated
P1500	17908	Fuel Pump Relay Circ. Electrical Malfunction	Check fuel pump relay and relay actuation. See FUEL PUMP RELAY AND CONNECTIONS, CHECKING .
P1501	17909	Fuel Pump (FP) relay - J17- Short circuit to Ground (GND)	Check Fuel Pump (FP) relay. See FUEL PUMP (FP) RELAY -J17- AND ACTIVATION, CHECKING .
P1502	17910	Fuel Pump (FP) relay - J17- Short circuit to B+
P1505	17913	Closed Throttle Pos. Switch	Check throttle body and throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING .
P1512	17920	Intake manifold change - over valve -N156- Short circuit to B+	Check intake manifold change -over. See INTAKE MANIFOLD CHANGE-OVER .
P1515	17923	Intake manifold change - over valve -N156- Short circuit to Ground (GND)
P1516	17924	Intake manifold change - over valve -N156- Open circuit
P1519	17927	Bank 1, camshaft adjustment Malfunction	Check function of camshaft adjustment
P1522	17930	Bank 2, camshaft adjustment Malfunction	Check function of camshaft adjustment
P1523	17931	Crash signal from airbag control module Implausible signal	Repair Manual, Body On Board Diagnostic (OBD), Repair Group 01; On Board Diagnostic (OBD) of airbag system
P1529	17937	Camshaft adjustment Short circuit to B+	Checking solenoid valve for camshaft adjustment.
P1530	17938	Camshaft adjustment Short circuit to Ground (GND)
P1531	17939	Camshaft adjustment Open circuit
P1539	17947	Clutch vacuum vent valve switch -F36- Implausible signal	Check clutch pedal switch. See CLUTCH VACUUM VENT VALVE SWITCH -F36-, CHECKING .
P1541	17908	Fuel Pump (FP) relay - J17- Open circuit	Check Fuel Pump (FP) relay. See FUEL PUMP (FP) RELAY -J17- AND ACTIVATION, CHECKING .
P1542	17950	Throttle Actuation Potentiometer -G187- Implausible signal	Check angle sensor -1- for throttle drive. See ANGLE SENSOR -1- FOR THROTTLE DRIVE, CHECKING .
P1543	17951	Throttle Actuation Potentiometer -G187- Signal too small
P1544	17952	Throttle Actuation Potentiometer -G187- Signal too large
P1545	17953	Throttle valve control Malfunction	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338 -, CHECKING .
P1558	17966	Throttle drive (power accelerator actuation) -G186- Electrical malfunction in circuit
P1559	17967	Throttle valve control module -J338- Malfunction in basic setting	Perform adaptation. See THROTTLE VALVE CONTROL MODULE, ADAPTING .
P1560	17968	Maximum Engine Speed Exceeded	Perform engine mechanical repairs as necessary
P1564	17972	Throttle valve control module -J338- Voltage too low during basic setting	Charge battery, repeat basic setting
P1565	17973	Throttle valve control module -J338- Lower impact still not reached	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338 -, CHECKING .
P1568	17976	Throttle valve control module -J338- Mechanical malfunction
P1569	17977	Cruise control switch -E45- Implausible signal	Up to 2000 m.y., see CRUISE CONTROL SYSTEM, ON BOARD DIAGNOSTIC . For 2001 m.y., see CRUISE CONTROL SYSTEM, ON BOARD DIAGNOSTIC .
P1570	17978	Engine Control Module (ECM) locked	Adapt electronic immobilizer to Engine Control Module (ECM) See ADAPTATION AFTER REPLACING ENGINE CONTROL MODULE .
P1579	17987	Throttle valve control module -J338- Adaptation not started	Perform adaptation of throttle valve control module while maintaining test requirements. See THROTTLE VALVE CONTROL MODULE, ADAPTING .
P1600	18008	Power Supply (B+) Terminal 15 Low Voltage	Check voltage supply to Engine Control Module (ECM). See VOLTAGE SUPPLY TO ENGINE CONTROL MODULE (ECM), CHECKING .
P1602	18010	Voltage supply, terminal 30 Voltage too low	Check voltage supply for control module. See VOLTAGE SUPPLY FOR CONTROL MODULE, CHECKING .
P1603	18011	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1604	18012	Control module faulty
P1606	18014	Rough terrain info/engine torque from ABS control module Electrical malfunction in circuit	Check wire connection between Engine Control Module (ECM) and ABS control module (powertrain databus). See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1609	18017	Crash shut-off was triggered (Crash triggered)	See appropriate Air Bag article in RESTRAINTS. Erase DTC memory of Engine Control Module (ECM) after output Diagnostic Test Mode (DTM) of airbag system. See CHECK DTC MEMORY (FUNCTION 02) AND ERASE DTC MEMORY (FUNCTION 05) .
P1386	17794	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1612	18020	Engine Control Module (ECM) incorrectly coded	Code Engine Control Module (ECM). See CODE CONTROL MODULE (FUNCTION 07) .
P1624	18032	Request for warning lamp on active	Exhaust related malfunction of Transmission Control Module (TCM) Check DTC memory of Transmission Control Module (TCM) See ON BOARD DIAGNOSTIC (OBD) - 5 SPD. AUTOMATIC TRANSMISSION 01V .
P1626	18034	Powertrain databus Missing message from Transmission Control Module (TCM)	Check data transfer of Engine Control Module (ECM) and other CAN capable control modules. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1630	18038	Throttle Position (TP) sensor -G79- Signal too small	Throttle Position (TP) sensor, checking. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P1631	18039	Throttle Position (TP) sensor -G79- Signal too large
P1633	18041	Sender -2- for accelerator pedal position -G185- Signal too small
P1634	18042	Sender -2- for accelerator pedal position -G185- Signal too large
P1639	18047	Throttle Position (TP) sensor -G79- and sender -2- for accelerator pedal position -G185- Implausible signal	Throttle Position (TP) sensor, checking. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P1640	18048	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1648	18056	Powertrain databus faulty	Check Engine/ABS/Transmission control module. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1649	18057	Powertrain databus Missing message from ABS control module
P1650	18058	Powertrain databus Missing message from instrument cluster	See ON BOARD DIAGNOSTIC (OBD) - UP TO 2000 or ON BOARD DIAGNOSTIC (OBD) - 2001 AND UP .
P1681	18089	Contr. Unit Programming Programming not Finished	Replace ECM ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REMOVING AND INSTALLING
P1682	18090	Powertrain databus Implausible message from ABS control module	Check data transfer of Engine Control Module (ECM) and other CAN capable control modules. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1690	18098	Malfunction Indicator Light Malfunction	Check wire from ECM to Malfunction Indicator Lamp (MIL) MALFUNCTION INDICATOR LAMP (MIL) FUNCTION, CHECKING
Note for DTC P1624/18032: If this malfunction is detected by the Transmission Control Module (TCM), the MIL is switched on by the ECM. In this case, the ECM stores the malfunction "MIL Request Sign. active" (DTC P1624/18032). After repairing the malfunction, erase DTC memory of the ECM.
P1853	18261	Powertrain databus Implausible message from ABS control module	Check data transfer of Engine Control Module (ECM) and other CAN capable control modules. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1912	18320	Brake booster pressure sensor -G294- Open circuit/short circuit to B+	Brake booster pressure sensor -G294- See ELECTRIC VACUUM PUMP .
P1913	18321	Brake booster pressure sensor -G294- Short circuit to Ground (GND)
P1914	18322	Brake booster pressure sensor -G294- Unplausible signal
NOTE: DTCs P1912, P1913, and P1914 can only occur on vehicles with automatic transmission.
P3262	16646	Exhaust bank 1/2 Oxygen sensors behind catalytic converter mixed up	Check harness connectors

Diagnostic Trouble Codes (DTC) Index

DTC INDEX - 2.8L (AHA & ATQ ENGINES)

SAE Code	VAG Code	Code Description	Corrective Action
P0101	16485	Mass Air Flow (MAF) sensor -G70- Implausible signal	Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check hose setup of crankcase ventilation for secure seating and proper seal.
P0102	16486	Mass Air Flow (MAF) sensor -G70- Signal too small
P0103	16487	Mass Air Flow (MAF) sensor -G70- Signal too large
P0112	16496	Intake Air Temperature (IAT) sensor -G42- Signal too small	Intake Air Temperature (IAT) sensor, checking. See INTAKE AIR TEMPERATURE (IAT) SENSOR -G42-, CHECKING .
P0113	16497	Intake Air Temperature (IAT) sensor -G42- Signal too large
P0116	16500	Engine Coolant Temperature (ECT) sensor -G62- Implausible signal	Engine Coolant Temperature (ECT) sensor, checking. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING .
P0117	16501	Engine Coolant Temperature (ECT) sensor -G62- Signal too small
P0118	16502	Engine Coolant Temperature (ECT) sensor -G62- Signal too large
P0121	16505	Throttle/Pedal Pos. Sensor A Circ. Range/Performance	Check Throttle Position (TP) sensor -G69-. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P0122	16506	Throttle/Pedal Pos. Sensor A Circ. Low Input
P0123	16507	Throttle/Pedal Pos. Sensor A Circ. High Input
P0130	16514	Bank 1, sensor 1 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR CONTROL, CHECKING .
P0131	16515	Bank 1, sensor 1 Voltage too low
P0132	16516	Bank 1, sensor 1 Voltage too high
P0133	16517	Bank1, Sensor 1 Signal too slow
P0134	16518	Bank 1, sensor 1 No activity
P0136	16520	Bank1, Sensor 2 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P0137	16521	Bank1, Sensor 2 Voltage too low
P0138	16522	Bank1, Sensor 2 Voltage too high
P0139	16523	Bank1, Sensor 2 Signal too slow
P0140	16524	Bank1, Sensor 2 No activity
P0150	16534	Bank 2, sensor 1 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR CONTROL, CHECKING .
P0151	16535	Bank 2, sensor 1 Voltage too low
P0152	16536	Bank 2, sensor 1 Voltage too high
P0153	16537	Bank 2, sensor 1 Signal too slow
P0154	16538	Bank 2, sensor 1 No activity
P0156	16540	Bank 2, sensor 2 Electrical malfunction in circuit	Testing Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P0157	16541	Bank 2, sensor 2 Voltage too low
P0158	16542	Bank 2, sensor 2 Voltage too high
P0159	16543	Bank 2, sensor 2 Signal too slow
P0160	16544	Bank 2, sensor 2 No activity
Note on misfire malfunctions: For malfunctions that may be caused by low fuel volume (i.e. combustion misfire), a low-fuel malfunction (DTC P1250) is also stored when there is less than 2 gallon of fuel remaining in the tank.
P0219	16603	Maximum engine speed exceeded	Repair mechanical damage
P0300	16684	Combustion misfire detected	Check fuel pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Test fuel injectors. See FUEL INJECTORS, CHECKING . Check spark plugs and ignition wires with connector Check ignition coils. See IGNITION COILS, CHECKING . Check ignition coils. See CHECKING GROUND (GND) SUPPLY OF POWER OUTPUT STAGE . Check misfire recognition. See MISFIRE RECOGNITION, CHECKING . Fill fuel tank with fuel Check hose setup of crankcase ventilation for secure seating and proper seal.
P0301	16685	Cyl. 1 combustion misfire detected
P0302	16686	Cyl. 2 combustion misfire detected
P0303	16687	Cyl. 3 combustion misfire detected
P0304	16688	Cyl. 4 combustion misfire detected
P0305	16689	Cyl. 5 combustion misfire detected
P0306	16690	Cyl. 6 combustion misfire detected
P0321	16705	Engine Speed (RPM) sensor -G28- Implausible signal	Check Engine Speed (RPM) Sensor -G28-. See ENGINE SPEED (RPM) SENSOR -G28-, CHECKING . Check Engine Speed (RPM) Sensor -G28-. See ENGINE SPEED (RPM) SENSOR -G28-, CHECKING .
P0322	16706	Engine Speed (RPM) sensor -G28- No signal
P0327	16711	Knock Sensor (KS) 1 -G61- Signal too small	Check knock sensor. See KNOCK SENSORS, CHECKING .
P0328	16712	Knock Sensor (KS) 1 -G61 Signal too large
P0332	16716	Knock Sensor (KS) 2 -G66- Signal too small
P0333	16717	Knock Sensor (KS) 2 -G66- Signal too large
P0341	16725	Camshaft Position (CMP) sensor -G40- Implausible signal	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .
P0346	16730	Camshaft Position (CMP) sensor -G163- Implausible signal
P0411	16795	Sec. Air Inj. Sys. Incorrect Flow Detected	Check secondary Air Injection (AIR) system. See SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING .
P0420	16804	Catalytic converter system, bank 1, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 1. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0421	16805	Primary catalytic converter, bank 1, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 1. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0422	16806	Main Catalyst, Bank1 Efficiency Below Threshold	Check Heated Oxygen Sensor (HO2S) -G39- and O2S control (bank 1, sensor 1). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL BEFORE TWC, CHECKING .
P0430	16814	Catalytic converter system, bank 2, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 2. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0431	16815	Primary catalytic converter, bank 2, Not effective enough	Generate readiness code. See READINESS CODE, GENERATING . If same malfunction is indicated again, replace primary catalytic converter, bank 2. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
P0432	16816	Main Catalyst, Bank2 Efficiency Below Threshold	Check HO2S -G108- and O2S control (bank 2, sensor 1). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL BEFORE TWC, CHECKING .
P0441	16825	Tank ventilation system Throughput faulty	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. Go to OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) .
P0442	16826	Tank ventilation system Small leak detected	Checking fuel supply and ventilation systems for leaks See EVAP CANISTER SYSTEM .
P0455	16839	Tank ventilation system Large leak detected
P0456	16840	Tank ventilation system Pinhole leak detected
P0501	16885	Vehicle speed signal Implausible signal	Check vehicle speed signal. See VEHICLE SPEED SIGNAL, CHECKING .
P0506	16890	Idle control Engine speed below specified value	Checking throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338 -, CHECKING . Check hose setup (intake manifold change-over valve and Secondary Air Injection - AIR- solenoid valve); check intake system for leaks (unmetered air). See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (UNMETERED AIR) . Check hose setup of crankcase ventilation for secure seating and proper seal.
P0507	16891	Idle control Engine speed above specified value
P0560	16944	Voltage supply Implausible signal	Check voltage supply for control module. See VOLTAGE SUPPLY FOR CONTROL MODULE, CHECKING .
P0562	16946	Voltage supply Voltage too low
P0563	16947	Voltage supply Voltage too high
P0571	16955	Brake light switch -F- Implausible signal	Check brake light switch and brake pedal switch. See BRAKE LIGHT SWITCH AND BRAKE PEDAL SWITCH, CHECKING .
P0601	16985	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P0604	16988	Control module faulty
P0605	16989	Control module faulty
P1102	17510	Bank 1, sensor 1, heating circuit Short circuit to B+	Check oxygen sensor heating. See OXYGEN SENSOR HEATING FOR OXYGEN SENSORS BEFORE AND BEHIND CATALYTIC CONVERTER, CHECKING .
P1105	17513	Bank 2, sensor 1, heating circuit Short circuit to B+
P1107	17515	Bank 2, sensor 1, heating circuit Short circuit to B+
P1110	17518	Bank 2, sensor 2, heating circuit Short circuit to B+
P1111	17519	Oxygen sensor control, bank 1 System too lean	Check oxygen sensor control before catalytic converter. See OXYGEN SENSOR CONTROL, CHECKING . Check hose setup of crankcase ventilation for secure seating and proper seal.
P1112	17520	Oxygen sensor control, bank 1 System too rich
P1113	17521	Bank 1, sensor 1 Internal resistance too large	Next check signal wires for contact resistance. See CHECK OXYGEN SENSOR WIRES BANK 1 FOR HEATED OXYGEN SENSOR (HO2S) 2 -G39- . If there are no contact resistances: Replace oxygen sensor.
P1114	17522	Bank 1, sensor 2 Internal resistance too large	Next check signal wires for contact resistance. See TESTING OXYGEN SENSOR WIRES . If there are no contact resistances: Replace oxygen sensor.
P1115	17523	Bank 1, sensor 1, heating circuit Short circuit to Ground (GND)	Check oxygen sensor heating. See OXYGEN SENSOR HEATING FOR OXYGEN SENSORS BEFORE AND BEHIND CATALYTIC CONVERTER, CHECKING .
P1116	17524	Bank 1, sensor 1, heating circuit Open circuit
P1117	17525	Bank 2, sensor 1, heating circuit Short circuit to Ground (GND)
P1118	17526	Bank 2, sensor 1, heating circuit Open circuit
P1119	17527	Bank 2, sensor 1, heating circuit Short circuit to Ground (GND)
P1120	17528	Bank 2, sensor 1, heating circuit Open circuit
P1121	17529	Bank 2, sensor 2, heating circuit Short circuit to Ground (GND)
P1122	17530	Bank 2, sensor 2, heating circuit Open circuit
P1127	17535	Bank 1, mixture adaptation (mult.) System too rich	Road test vehicle (fuel in oil). Check fuel system pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check intake system for proper seal. See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (UNMETERED AIR) . Check oxygen sensor before catalytic converter. See OXYGEN SENSOR CONTROL, CHECKING .
P1128	17536	Bank 1, mixture adaptation (mult.) System too lean
P1129	17537	Bank 2, mixture adaptation (mult.) System too rich
P1130	17538	Bank 2, mixture adaptation (mult.) System too lean	Check oxygen sensor behind catalytic converter. See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1131	17539	Bank 2, sensor 1 Internal resistance too large	Next check signal wires for contact resistance Page 24-100; if there are no contact resistances: Replace oxygen sensor
P1136	17544	Bank 1, mixture adaptation (add.) System too lean	Road test vehicle (fuel in oil). Check fuel system pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check oxygen sensor before catalytic converter. See OXYGEN SENSOR CONTROL, CHECKING . Check oxygen sensor behind catalytic converter. See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P1137	17545	Bank 1, mixture adaptation (add.) System too rich
P1138	17546	Bank 2, mixture adaptation (add.) System too lean
P1139	17547	Bank 2, mixture adaptation (add.) System too rich	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. See TANK VENTILATION, CHECKING .
P1140	17548	Bank 2, sensor 2 Internal resistance too large	Next check signal wires for contact resistance. See CHECK OXYGEN SENSOR WIRES FOR OXYGEN SENSOR (O2S) 2 BEHIND THREE WAY CATALYTIC CONVERTER (TWC) -G131- . If there are no contact resistances: Replace oxygen sensor.
P1141	17549	Load detection Implausible value	Check to be sure correct throttle valve control module is installed (part number) Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING .
P1142	17550	Load detection Limit not reached
P1143	17551	Load detection Limit exceeded
P1147	17555	Oxygen sensor control, bank 2 System too lean	Check oxygen sensor adaptation values and regulation. See CHECKING OXYGEN SENSOR ADAPTATION VALUES AND CONTROL . Check hose setup of crankcase ventilation for secure seating and proper seal.
P1148	17556	Oxygen sensor control, bank 2 System too rich
P1149	17557	Oxygen sensor control, bank 1 Unplausible control value	Check oxygen sensor adaptation values and regulation. See CHECKING OXYGEN SENSOR ADAPTATION VALUES AND CONTROL . Check fuel system pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check intake system for proper seal (unmetered air). See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (UNMETERED AIR) . Check hose setup of crankcase ventilation for secure seating and proper seal.
P1150	17558	Oxygen sensor control, bank 2 Unplausible control value
P1171	17579	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Implausible signal	Check angle sensor -1- for throttle drive. See ANGLE SENSOR -1- FOR THROTTLE DRIVE, CHECKING .
P1172	17580	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Signal too small
P1173	17581	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Signal too large
P1176	17584	Bank 1, oxygen sensor correction behind catalytic converter Control limit reached	Check oxygen sensor aging of oxygen sensor before catalytic converter. See OXYGEN SENSOR AGING (OXYGEN SENSOR BEFORE CATALYTIC CONVERTER), CHECKING . Check oxygen sensor and oxygen sensor control behind catalytic converter. See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P1177	17585	Bank 2, oxygen sensor correction behind catalytic converter Control limit reached
P1196	17604	O2 Sensor Heater Circ. Bank1-Sensor1 Electircal Malfunction	Check Oxygen Sensor (O2S) heater -Z19- (bank 1, sensor 1). See OXYGEN SENSOR (O2S) HEATER BEFORE TWC, CHECKING .
P1197	17605	O2 Sensor Heater Circ. Bank2-Sensor1 Electrical Malfunction	Check Oxygen Sensor (O2S) heater -Z28- (bank 2, sensor 1). See OXYGEN SENSOR (O2S) HEATER BEFORE TWC, CHECKING .
P1198	17606	O2 Sensor Heater Circ. Bank1-Sensor2 Electrical Malfunction	Check Oxygen Sensor (O2S) heater -Z29- (bank 1, sensor 2). See OXYGEN SENSOR (O2S) HEATER BEHIND TWC, CHECKING .
P1199	17607	O2 Sensor Heater Circ. Bank2-Sensor2 Electrical Malfunction	Check Oxygen Sensor (O2S) heater -Z30- (bank 2, sensor 2). See OXYGEN SENSOR (O2S) HEATER BEHIND TWC, CHECKING .
P1213	17621	Cylinder 1 fuel injector -N30- Short circuit to B+	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1214	17622	Cylinder 2 fuel injector -N31- Short circuit to B+
P1215	17623	Cylinder 3 fuel injector -N32- Short circuit to B+
P1216	17624	Cylinder 4 fuel injector -N33- Short circuit to B+
P1217	17625	Cylinder 5 fuel injector -N83- Short circuit to B+
P1218	17626	Cylinder 6 fuel injector -N84- Short circuit to B+
P1225	17633	Cylinder 1 fuel injector -N30- Short circuit to Ground (GND)	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1226	17634	Cylinder 2 fuel injector -N31- Short circuit to Ground (GND)
P1227	17635	Cylinder 3 fuel injector -N32- Short circuit to Ground (GND)
P1228	17636	Cylinder 4 fuel injector -N33- Short circuit to Ground (GND)
P1229	17637	Cylinder 5 fuel injector -N83- Short circuit to Ground (GND)
P1230	17638	Cylinder 6 fuel injector -N84- Short circuit to Ground (GND)
P1237	17645	Cylinder 1 fuel injector -N30- Open circuit	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1238	17646	Cylinder 2 fuel injector -N31- Open circuit
P1239	17647	Cylinder 3 fuel injector -N32- Open circuit
P1240	17648	Cylinder 4 fuel injector -N33- Open circuit
P1241	17649	Cylinder 5 fuel injector -N83- Open circuit
P1242	17650	Cylinder 6 fuel injector -N84- Open circuit
P1250	17658	Fuel level too low	Fill fuel tank with fuel Check wire connection between Engine Control Module (ECM) and instrument cluster according to wiring diagram Check signal from sender for fuel gauge and fuel gauge Repair Manual, Electrical Equipment, Repair Group 01, On Board Diagnostic (OBD) of instrument cluster; Read Measuring Value Block
Note on misfire malfunctions: For malfunctions that may be caused by low fuel volume (i.e. combustion misfire) a low-fuel malfunction
P1296	17704	Malfunction in cooling system	Check coolant temperature sensor. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING . Check coolant regulator Repair Manual, 2.8 Liter V6 5V Engine Mechanical, Engine Code(s): AHA, ATQ, Repair Group 19; Cooling system components, removing and installing
P1325	17733	Knock control, cyl. 1 Control limit reached	Check knock control. See KNOCK RECOGNITION CONTROL STOP, CHECKING .
P1326	17734	Knock control, cyl. 2 Control limit reached
P1327	17735	Knock control, cyl. 3 Control limit reached
P1328	17736	Knock control, cyl. 4 Control limit reached
P1329	17737	Knock control, cyl. 5 Control limit reached
P1330	17738	Knock control, cyl. 6 Control limit reached
P1335	17743	Engine torque monitoring 2 Control limit exceeded	Check hose setup Check Intake Air Temperature (IAT) sensor. See INTAKE AIR TEMPERATURE (IAT) SENSOR -G42-, CHECKING . Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING . Check coolant temperature sensor. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING .
P1336	17744	Engine torque monitoring Control limit exceeded
P1337	17745	Bank 2, Camshaft Position (CMP) sensor -G163- Short circuit to Ground (GND)	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .
P1338	17746	Bank 2, Camshaft Position (CMP) sensor -G163- Open circuit / short circuit to B+
P1340	17748	Camshaft Position (CMP) / crankshaft position sensor Incorrect allocation	Check phase position of Camshaft Position (CMP) sensor. See CHECK PHASE POSITION OF CAMSHAFT POSITION (CMP) SENSOR .
P1347	17755	Bank 2 Camshaft Position (CMP) / crankshaft position sensor Incorrect allocation
P1386	17794	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1387	17795	Control module faulty
P1388	17796	Control module faulty
P1391	17799	Bank 1, Camshaft Position (CMP) sensor -G40- Short circuit to Ground (GND)	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .
P1392	17800	Bank 1, Camshaft Position (CMP) sensor -G40- Open circuit / short circuit to B+
P1393	17801	Ignition output 1 Electrical malfunction in circuit	Check activation or wiring connection from Engine Control Module (ECM) to power output stage. See CHECKING ACTIVATION .
P1394	17802	Ignition output 2 Electrical malfunction in circuit
P1395	17803	Ignition output 3 Electrical malfunction in circuit
P1410	17818	EVAP canister purge regulator valve -N80- Short circuit to B+	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. See EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE - N80-, CHECKING .
P1411	17819	Bank 2, Secondary Air Injection (AIR) system Throughput too low	Check fuse for Secondary Air Injection (AIR) pump Check vacuum hose setup Check hose setup from pump to combination valve for Secondary Air Injection (AIR) See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1414	17822	Bank 2, Secondary Air Injection (AIR) system Leak detected	Check hose setup from pump to mechanical Secondary Air Injection (AIR) valve, cylinder bank 2 See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1421	17829	Secondary Air Injection (AIR) solenoid valve -N112- Short circuit to Ground (GND)	Check Secondary Air Injection (AIR) system See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1422	17830	Secondary Air Injection (AIR) solenoid valve -N112- Short circuit to B+
P1423	17831	Bank 1, Secondary Air Injection (AIR) system Throughput too low	Check fuse for Secondary Air Injection (AIR) pump Check vacuum hose setup Check hose setup from pump to combination valve for Secondary Air Injection (AIR) See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1424	17832	Bank 1, Secondary Air Injection (AIR) system Leak detected	Check hose setup from pump to mechanical Secondary Air Injection (AIR) valve, cylinder bank 1 See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1425	17833	EVAP canister purge regulator valve -N80- Short circuit to Ground (GND)	Check Evaporative Emission (EVAP) Canister Purge Regulator Valve. See TANK VENTILATION, CHECKING .
P1426	17834	EVAP canister purge regulator valve -N80- Open circuit
P1427	17835	Activation of brake vacuum pump Short circuit to B+	Check activation of brake vacuum pump. See ELECTRIC VACUUM PUMP .
P1428	17836	Activation of brake vacuum pump Short circuit to Ground (GND)
P1429	17837	Activation of brake vacuum pump Open circuit
NOTE: DTCs P1427, P1428, and P1429 can only occur on vehicles with automatic transmission.
P1432	17840	Secondary Air Injection (AIR) solenoid valve - N112- Open circuit	Check Secondary Air Injection (AIR) system See SECONDARY AIR INJECTION (AIR) SYSTEM .
P1433	17841	Secondary Air Injection (AIR) pump relay -J299- Open circuit
P1434	17842	Secondary Air Injection (AIR) pump relay -J299- Short circuit to B+
P1435	17843	Secondary Air Injection (AIR) pump relay -J299- Short circuit to Ground (GND)
P1436	17844	Sec. Air Inj. Sys. Pump Relay Circ. Electircal Malfunction	Check Secondary Air Injection (AIR) system output Diagnostic Test Mode (DTM), OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03)
P1471	17879	Leak Detection Pump (LDP) tank ventilation system Short circuit to B+	Check Leak Detection Pump (LDP) See EVAP CANISTER SYSTEM .
P1472	17880	Leak Detection Pump (LDP) tank ventilation system Short circuit to Ground (GND)
P1473	17881	Leak Detection Pump (LDP) tank ventilation system Open circuit
NOTE: DTC P1479 can only occur on vehicles with automatic transmission.
P1475	17883	Leak Detection Pump (LDP) tank ventilation system Malfunction / no signal	Check pressurized/vacuum lines to Leak Detection Pump (LDP) See EVAP CANISTER SYSTEM . Check electrical wire connections to Leak Detection Pump according to wiring diagram
P1476	17884	Leak Detection Pump (LDP) tank ventilation system Malfunction/vacuum pressure too low
P1477	17885	EVAP Emission Contr. LDP Circ. Malfunction	Check Evaporative Emission (EVAP) system Repair Manual, Fuel Supply System, Repair Group 20
P1479	17887	Brake vacuum system Mechanical malfunction	Perform a short trip in Engine Control Module (ECM) (basic setting; display group 8 with ignition on and selector lever in "P" or "N") Check hose setup to pump or from pump to brake booster Perform output Diagnostic Test Mode (DTM) in Engine Control Module (ECM) to check whether vacuum pump runs or is activated
P1500	17908	Fuel Pump Relay Circ. Electrical Malfunction	Check fuel pump relay and relay actuation. See FUEL PUMP RELAY AND CONNECTIONS, CHECKING .
P1501	17909	Fuel Pump (FP) relay - J17- Short circuit to Ground (GND)	Check Fuel Pump (FP) relay. See FUEL PUMP (FP) RELAY -J17- AND ACTIVATION, CHECKING .
P1502	17910	Fuel Pump (FP) relay - J17- Short circuit to B+
P1505	17913	Closed Throttle Pos. Switch	Check throttle body and throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING .
P1512	17920	Intake manifold change - over valve -N156- Short circuit to B+	Check intake manifold change -over. See INTAKE MANIFOLD CHANGE-OVER .
P1515	17923	Intake manifold change - over valve -N156- Short circuit to Ground (GND)
P1516	17924	Intake manifold change - over valve -N156- Open circuit
P1519	17927	Bank 1, camshaft adjustment Malfunction	Check function of camshaft adjustment
P1522	17930	Bank 2, camshaft adjustment Malfunction	Check function of camshaft adjustment
P1523	17931	Crash signal from airbag control module Implausible signal	Repair Manual, Body On Board Diagnostic (OBD), Repair Group 01; On Board Diagnostic (OBD) of airbag system
P1529	17937	Camshaft adjustment Short circuit to B+	Checking solenoid valve for camshaft adjustment.
P1530	17938	Camshaft adjustment Short circuit to Ground (GND)
P1531	17939	Camshaft adjustment Open circuit
P1539	17947	Clutch vacuum vent valve switch -F36- Implausible signal	Check clutch pedal switch. See CLUTCH VACUUM VENT VALVE SWITCH -F36-, CHECKING .
P1541	17908	Fuel Pump (FP) relay - J17- Open circuit	Check Fuel Pump (FP) relay. See FUEL PUMP (FP) RELAY -J17- AND ACTIVATION, CHECKING .
P1542	17950	Throttle Actuation Potentiometer -G187- Implausible signal	Check angle sensor -1- for throttle drive. See ANGLE SENSOR -1- FOR THROTTLE DRIVE, CHECKING .
P1543	17951	Throttle Actuation Potentiometer -G187- Signal too small
P1544	17952	Throttle Actuation Potentiometer -G187- Signal too large
P1545	17953	Throttle valve control Malfunction	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338 -, CHECKING .
P1558	17966	Throttle drive (power accelerator actuation) -G186- Electrical malfunction in circuit
P1559	17967	Throttle valve control module -J338- Malfunction in basic setting	Perform adaptation. See THROTTLE VALVE CONTROL MODULE, ADAPTING .
P1560	17968	Maximum Engine Speed Exceeded	Perform engine mechanical repairs as necessary
P1564	17972	Throttle valve control module -J338- Voltage too low during basic setting	Charge battery, repeat basic setting
P1565	17973	Throttle valve control module -J338- Lower impact still not reached	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338 -, CHECKING .
P1568	17976	Throttle valve control module -J338- Mechanical malfunction
P1569	17977	Cruise control switch -E45- Implausible signal	Up to 2000 m.y., see CRUISE CONTROL SYSTEM, ON BOARD DIAGNOSTIC . For 2001 m.y., see CRUISE CONTROL SYSTEM, ON BOARD DIAGNOSTIC .
P1570	17978	Engine Control Module (ECM) locked	Adapt electronic immobilizer to Engine Control Module (ECM) See ADAPTATION AFTER REPLACING ENGINE CONTROL MODULE .
P1579	17987	Throttle valve control module -J338- Adaptation not started	Perform adaptation of throttle valve control module while maintaining test requirements. See THROTTLE VALVE CONTROL MODULE, ADAPTING .
P1600	18008	Power Supply (B+) Terminal 15 Low Voltage	Check voltage supply to Engine Control Module (ECM). See VOLTAGE SUPPLY TO ENGINE CONTROL MODULE (ECM), CHECKING .
P1602	18010	Voltage supply, terminal 30 Voltage too low	Check voltage supply for control module. See VOLTAGE SUPPLY FOR CONTROL MODULE, CHECKING .
P1603	18011	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1604	18012	Control module faulty
P1606	18014	Rough terrain info/engine torque from ABS control module Electrical malfunction in circuit	Check wire connection between Engine Control Module (ECM) and ABS control module (powertrain databus). See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1609	18017	Crash shut-off was triggered (Crash triggered)	See appropriate Air Bag article in RESTRAINTS. Erase DTC memory of Engine Control Module (ECM) after output Diagnostic Test Mode (DTM) of airbag system. See CHECK DTC MEMORY (FUNCTION 02) AND ERASE DTC MEMORY (FUNCTION 05) .
P1386	17794	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1612	18020	Engine Control Module (ECM) incorrectly coded	Code Engine Control Module (ECM). See CODE CONTROL MODULE (FUNCTION 07) .
P1624	18032	Request for warning lamp on active	Exhaust related malfunction of Transmission Control Module (TCM) Check DTC memory of Transmission Control Module (TCM) See ON BOARD DIAGNOSTIC (OBD) - 5 SPD. AUTOMATIC TRANSMISSION 01V .
P1626	18034	Powertrain databus Missing message from Transmission Control Module (TCM)	Check data transfer of Engine Control Module (ECM) and other CAN capable control modules. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1630	18038	Throttle Position (TP) sensor -G79- Signal too small	Throttle Position (TP) sensor, checking. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P1631	18039	Throttle Position (TP) sensor -G79- Signal too large
P1633	18041	Sender -2- for accelerator pedal position -G185- Signal too small
P1634	18042	Sender -2- for accelerator pedal position -G185- Signal too large
P1639	18047	Throttle Position (TP) sensor -G79- and sender -2- for accelerator pedal position -G185- Implausible signal	Throttle Position (TP) sensor, checking. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P1640	18048	Control module faulty	Replace Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REPLACING .
P1648	18056	Powertrain databus faulty	Check Engine/ABS/Transmission control module. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1649	18057	Powertrain databus Missing message from ABS control module
P1650	18058	Powertrain databus Missing message from instrument cluster	See ON BOARD DIAGNOSTIC (OBD) - UP TO 2000 or ON BOARD DIAGNOSTIC (OBD) - 2001 AND UP .
P1681	18089	Contr. Unit Programming Programming not Finished	Replace ECM ENGINE CONTROL MODULE (ECM) (WITHOUT METAL ANTI-THEFT HOUSING), REMOVING AND INSTALLING
P1682	18090	Powertrain databus Implausible message from ABS control module	Check data transfer of Engine Control Module (ECM) and other CAN capable control modules. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1690	18098	Malfunction Indicator Light Malfunction	Check wire from ECM to Malfunction Indicator Lamp (MIL) MALFUNCTION INDICATOR LAMP (MIL) FUNCTION, CHECKING
Note for DTC P1624/18032: If this malfunction is detected by the Transmission Control Module (TCM), the MIL is switched on by the ECM. In this case, the ECM stores the malfunction "MIL Request Sign. active" (DTC P1624/18032). After repairing the malfunction, erase DTC memory of the ECM.
P1853	18261	Powertrain databus Implausible message from ABS control module	Check data transfer of Engine Control Module (ECM) and other CAN capable control modules. See DATA TRANSFER BETWEEN ENGINE CONTROL MODULE (ECM) AND CAN CAPABLE CONTROL MODULES, CHECKING .
P1912	18320	Brake booster pressure sensor -G294- Open circuit/short circuit to B+	Brake booster pressure sensor -G294- See ELECTRIC VACUUM PUMP .
P1913	18321	Brake booster pressure sensor -G294- Short circuit to Ground (GND)
P1914	18322	Brake booster pressure sensor -G294- Unplausible signal
NOTE: DTCs P1912, P1913, and P1914 can only occur on vehicles with automatic transmission.
P3262	16646	Exhaust bank 1/2 Oxygen sensors behind catalytic converter mixed up	Check harness connectors

A L L Diagnostic Trouble Codes ( DTC )

Testing and Inspection

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

Corrective Steps

Diagram

Corrective Steps

Diagram

Corrective Steps

Diagram

Corrective Steps

Diagram

Corrective Steps

Diagram

Corrective Steps

Location

CHRYSLER Group LLC

Location

CHRYSLER Group LLC

Location

ACURA

Location

AUDI

Fuse/Relay

Diagnostic Trouble Codes (DTC) Index

Fuse/Relay

CHRYSLER Group LLC

Fuse/Relay

AUDI

Fuse/Relay

BMW

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00V414000: Tie Rods (00V414000)

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