NOTE: DTCs are for informational purposes only. Diagnostic information is not available from manufacturer.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC

Component Or Signal Fault Description

P0100 ⁽¹⁾

MAF Sensor Signal, Open Circuit

P0102 ⁽¹⁾

MAF Sensor Signal, Short To Ground

P0103 ⁽¹⁾

MAF Sensor Signal, Short To Battery

P0105 ⁽¹⁾

ECM Internal Ambient Pressure Sensor, Circuit Malfunction

P0107 ⁽¹⁾

ECM Internal Ambient Pressure Sensor, Short To Ground

P0108 ⁽¹⁾

ECM Internal Ambient Pressure Sensor, Open Or Short To Battery

P0109 ⁽¹⁾

ECM Internal Ambient Pressure Sensor, Circuit Intermittent

P0112 ⁽¹⁾

IAT Sensor, Short To Ground

P0113 ⁽¹⁾

IAT Sensor, Open Or Short To Battery

P0116 ⁽¹⁾

ECT Sensor, Signal Implausible

P0117 ⁽¹⁾

ECT Sensor, Short To Ground

P0118 ⁽¹⁾

ECT Sensor, Open Or Short To Battery

P0122 ⁽⁴⁾

Throttle Potentiometer 1, Open Or Short To Battery

P0123 ⁽⁴⁾

Throttle Potentiometer 1, Short To Battery

P0125 ⁽¹⁾

ECT Sensor, Open Or Short To Ground, Or Signal Implausible

P0128 ⁽¹⁾

Thermostat Monitoring Sensor, Low Coolant Temp. (Thermostat Stuck Open)

P0131 ⁽²⁾

Left (Front) Cylinder Bank Front HO2S Signal, Short To Ground

P0132 ⁽²⁾

Left (Front) Cylinder Bank Front HO2S Signal, Short To Battery

P0133 ⁽²⁾

Left (Front) Cylinder Bank Front HO2S Signal, Slow Response

P0134 ⁽²⁾

Left (Front) Cylinder Bank Front HO2S Signal, Open Circuit

P0134 ⁽²⁾

Left (Front) Cylinder Bank Front HO2S Signal, Signal Not Switching

P0135 ⁽¹⁾

Left (Front) Cylinder Bank Front HO2S Heater Circuit, Open Or Short Circuit To Battery Or Ground

P0136 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S Signal, Open Circuit

P0137 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S Signal, Short To Ground

P0138 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S Signal, Short To Battery

P0139 ⁽²⁾

Left (Front) Front Cylinder Bank Rear HO2S Signal, Slow Response

P0140 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S Signal, No Activity

P0141 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S Signal, Heater Circuit

P0151 ⁽²⁾

Right (Rear) Cylinder Bank Front HO2S Signal, Short To Ground

P0153 ⁽²⁾

Right (Rear) Cylinder Bank Front HO2S Signal, Slow Response

P0154 ⁽²⁾

Right (Rear) Cylinder Bank Front HO2S Signal, Open Circuit

P0154 ⁽¹⁾

Right (Rear) Cylinder Bank Front HO2S Signal, Signal Not Switching

P0155 ⁽¹⁾

Right (Rear) Cylinder Bank Front HO2S Heater Circuit, Open Or Short To Battery Or Ground

P0156 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S Signal, Open Circuit

P0157 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S Signal, Short To Ground

P0158 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S Signal, Short To Battery

P0159 ⁽²⁾

Right (Rear) Cylinder Bank Rear HO2S Signal, Slow Response

P0160 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S Signal, No Activity

P0161 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S Heater Circuit, Open Or Short To Battery Or Ground

P0171 ⁽²⁾

Left (Front) Cylinder Bank Lambda Control, Fueling Too Lean

P0172 ⁽²⁾

Left (Front) Cylinder Bank Lambda Control, Fueling Too Rich

P0174 ⁽²⁾

Right (Rear) Cylinder Bank Lambda Control, Fueling Too Lean

P0175 ⁽²⁾

Right (Rear) Cylinder Bank Lambda Control, Fueling Too Rich

P0201 ⁽²⁾

Fuel Injector No. 1, Open Circuit

P0202 ⁽²⁾

Fuel Injector No. 2, Open Circuit

P0203 ⁽²⁾

Fuel Injector No. 3, Open Circuit

P0204 ⁽²⁾

Fuel Injector No. 4, Open Circuit

P0205 ⁽²⁾

Fuel Injector No. 5, Open Circuit

P0206 ⁽²⁾

Fuel Injector No. 6, Open Circuit

P0222 ⁽⁴⁾

Throttle Potentiometer 2, Open Or Short To Ground

P0223 ⁽⁴⁾

Throttle Potentiometer 2, Short To Battery

P0261 ⁽²⁾

Fuel Injector No. 1, Short To Ground

P0262 ⁽²⁾

Fuel Injector No. 1, Short To Battery

P0264 ⁽²⁾

Fuel Injector No. 2, Short To Ground

P0265 ⁽²⁾

Fuel Injector No. 2, Short To Battery

P0267 ⁽²⁾

Fuel Injector No. 3, Short To Ground

P0268 ⁽²⁾

Fuel Injector No. 3, Short To Battery

P0270 ⁽²⁾

Fuel Injector No. 4, Short To Ground

P0271 ⁽²⁾

Fuel Injector No. 4, Short To Battery

P0273 ⁽²⁾

Fuel Injector No. 5, Short To Ground

P0274 ⁽²⁾

Fuel Injector No. 5, Short To Battery

P0276 ⁽²⁾

Fuel Injector No. 6, Short To Ground

P0277 ⁽²⁾

Fuel Injector No. 6, Short To Battery

P0301 ⁽²⁾

Cylinder No. 1, Misfire Detected

P0302 ⁽²⁾

Cylinder No. 2, Misfire Detected

P0303 ⁽²⁾

Cylinder No. 3, Misfire Detected

P0304 ⁽²⁾

Cylinder No. 4, Misfire Detected

P0305 ⁽²⁾

Cylinder No. 5, Misfire Detected

P0306 ⁽²⁾

Cylinder No. 6, Misfire Detected

P0313 ⁽²⁾

Misfire Detection, Misfire Detected

P0327 ⁽¹⁾

Left (Front) Cylinder Bank Knock Sensor, Open Circuit

P0332 ⁽¹⁾

Right (Rear) Cylinder Bank Knock Sensor, Open Circuit

P0335 ⁽¹⁾

CKP Sensor, Signal Implausible

P0337 ⁽¹⁾

CKP Sensor, Short To Ground

P0338 ⁽¹⁾

CKP Sensor, Short To Battery

P0339 ⁽¹⁾

CKP Sensor, Open Circuit/No Signal

P0340 ⁽¹⁾

CMP Sensor, Open Circuit/No Signal

P0341 ⁽¹⁾

CMP Sensor, Signal Implausible

P0351 ⁽²⁾

Ignition Coil No. 1, No Spark

P0352 ⁽²⁾

Ignition Coil No. 2, No Spark

P0353 ⁽²⁾

Ignition Coil No. 3, No Spark

P0354 ⁽²⁾

Ignition Coil No. 4, No Spark

P0355 ⁽²⁾

Ignition Coil No. 5, No Spark

P0356 ⁽²⁾

Ignition Coil No. 6, No Spark

P0420 ⁽¹⁾

Left (Front) Cylinder Bank Catalytic Converter, Efficiency Below Threshold (Light-Off Too Long)

P0430 ⁽¹⁾

Right (Rear) Cylinder Bank Catalytic Converter, Efficiency Below Threshold (Light-Off Too Long)

P0441 ⁽²⁾

Diagnostics, EVAP Purge Flow Test Failure

P0443 ⁽²⁾

Purge Valve, Circuit Malfunction

P0444 ⁽²⁾

Purge Valve, Open Circuit

P0445 ⁽²⁾

Purge Valve, Short Circuit To Battery Or Ground

P0455 ⁽²⁾

EVAP System, Major Leak

P0456 ⁽²⁾

EVAP System, Minor Leak

P0500 ⁽¹⁾

Vehicle Speed Signal, Signal Implausible

P0505 ⁽¹⁾

ECM Idle Speed Control, System Malfunction

P0606 ⁽²⁾

ECM, Processor Fault

P1101 ⁽¹⁾

MAF Sensor, Signal Implausible For Throttle Angle

P1113 ⁽¹⁾

ECM Internal Ambient Pressure Sensor, Automatic Section Failure

P1115 ⁽¹⁾

Thermostat Monitoring Sensor, Coolant Temperature Stuck High

P1118 ⁽¹⁾

Thermostat Monitoring Sensor, Open or Short To Battery

P1119 ⁽¹⁾

Thermostat Monitoring Sensor, Short To Ground

P1122 ⁽³⁾

APP Sensor Potentiometer 1, Open Or Short To Ground

P1123 ⁽³⁾

APP Sensor Potentiometer 1, Short To Battery

P1132 ⁽¹⁾

Left (Front) Cylinder Bank Front HO2S, Heating Defective

P1133 ⁽¹⁾

Right (Rear) Cylinder Bank Front HO2S, Heating Defective

P1141 ⁽⁴⁾

Throttle Potentiometer 1, Ratio Of Throttle Potentiometer 1 Signal-To-Air Flow Implausible

P1142 ⁽⁴⁾

Throttle Potentiometer 2, Ratio Of Throttle Potentiometer 2 Signal-To-Air Flow Implausible

P1146 ⁽¹⁾

Left (Front) Cylinder Bank Lambda Control, Downstream Fuel Trim Above Lean Delay Time

P1147 ⁽¹⁾

Right (Rear) Cylinder Bank Lambda Control, Downstream Fuel Trim Above Lean Delay Time

P1148 ⁽¹⁾

Left (Front) Cylinder Bank Lambda Control, Downstream Fuel Trim Above Rich Delay Time

P1149 ⁽¹⁾

Right (Rear) Cylinder Bank Lambda Control, Downstream Fuel Trim Above Rich Delay Time

P1150 ⁽¹⁾

Left (Front) Cylinder Bank Lambda Control, Downstream Fuel Trim Fault At Low Fuel Level

P1151 ⁽¹⁾

Right (Rear) Cylinder Bank Lambda Control, Downstream Fuel Trim Fault At Low Fuel Level

P1155 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S, Heating Defective

P1160 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S, Heating Defective

P1165 ⁽²⁾

Left (Front) Cylinder Bank Lambda Control, HO2S Fault Detected At Low Fuel Level

P1166 ⁽²⁾

Right (Rear) Cylinder Bank Lambda Control, HO2S Fault Detected At Low Fuel Level

P1167 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S, Signal Implausible

P1168 ⁽¹⁾

Right (Rear) Cylinder Bank Rear HO2S, Signal Implausible

P1180 ⁽¹⁾

Left (Front) Cylinder Bank Rear HO2S, Slow Response

P1227 ⁽³⁾

APP Sensor Potentiometer 2, Open Or Short To Ground

P1228 ⁽³⁾

APP Sensor Potentiometer 2, Short To Battery

P1231 ⁽¹⁾

Fuel Pump Relay, Short To Ground

P1232 ⁽¹⁾

Fuel Pump Relay, Short To Battery

P1320 ⁽¹⁾

Misfire Detection, Reluctor Adaption Fault

P1321 ⁽¹⁾

Misfire Detection, Relector Tooth Pattern Fault

P1322 ⁽¹⁾

Ignition System, Ignition Fault On More Than Two Cylinders

P1351 ⁽²⁾

Ignition Coil 1, Short To Battery

P1352 ⁽²⁾

Ignition Coil 2, Short To Battery

P1353 ⁽²⁾

Ignition Coil 3, Short To Battery

P1354 ⁽²⁾

Ignition Coil 4, Short To Battery

P1355 ⁽²⁾

Ignition Coil 5, Short To Battery

P1356 ⁽²⁾

Ignition Coil 6, Short To Battery

P1383 ⁽¹⁾

Ignition Feedback Sensor, Open Circuit

P1391 ⁽²⁾

Ignition Coil 1, Spark Duration Too Short

P1392 ⁽²⁾

Ignition Coil 2, Spark Duration Too Short

P1393 ⁽²⁾

Ignition Coil 3, Spark Duration Too Short

P1394 ⁽²⁾

Ignition Coil 4, Spark Duration Too Short

P1395 ⁽²⁾

Ignition Coil 5, Spark Duration Too Short

P1396 ⁽²⁾

Igniton Coil 5, Spark Duration Too Short

P1450 ⁽²⁾

DMTL Pump Motor, Reference Current Above Limit

P1451 ⁽²⁾

DMTL Pump Motor, Reference Current Below Limit

P1452 ⁽²⁾

DMTL Pump Motor, Reference Current Unstable

P1453 ⁽²⁾

DMTL Pump Motor, Change-Over Valve Stuck

P1454 ⁽¹⁾

DMTL Change-Over Valve, Short To Battery

P1455 ⁽¹⁾

DMTL Change-Over Valve, Short To Ground

P1456 ⁽¹⁾

DMTL Change-Over Valve, Open Circuit

P1470 ⁽¹⁾

VIS Balance Valve Motor, Valve Always Open

P1471 ⁽¹⁾

VIS Balance Valve Motor, Valve Always Closed

P1472 ⁽¹⁾

VIS Power/Butterfly Valves Motor, Valves Always Open

P1473 ⁽¹⁾

VIS Power/Butterfly Valves Motor, Valves Always Closed

P1474 ⁽¹⁾

VIS Balance Valve Motor, Short To Battery

P1475 ⁽¹⁾

VIS Balance Valve Motor, Open or Short To Ground

P1476 ⁽¹⁾

VIS Power/Butterfly Valves Motor, Short To Battery

P1477 ⁽¹⁾

VIS Power/Butterfly Valves Motor, Open Or Short To Ground

P1488 ⁽²⁾

DMTL Pump Motor, Open Or Short To Ground

P1490 ⁽²⁾

DMTL Pump Motor

P1537 ⁽¹⁾

A/C Compressor Clutch Relay, Short To Ground

P1538 ⁽¹⁾

A/C Compressor Clutch Relay, Short To Battery

P1540 ⁽⁴⁾

APP Sensor, Both Signals Implausible

P1541 ⁽³⁾

APP Sensor, Signal Implausible

P1564 ⁽¹⁾

Cruise Control Interface ECU, MFL Signal Bit Pattern Implausible

P1565 ⁽¹⁾

Cruise Control Interface ECU, MFL Signal Switch State Implausible, Circuit High Voltage

P1566 ⁽¹⁾

Cruise Control Interface ECU, MFL Signal Period Time Error, Circuit Low Voltage

P1572 ⁽¹⁾

Brake Pedal Sensor, BLS Signal Defective Or BTS Signal Active

P1573 ⁽¹⁾

Brake Pedal Sensor, BTS Signal Defective

P1574 ⁽¹⁾

Brake Pedal Sensor, Signals Implausible

P1575 ⁽³⁾

Brake Pedal Sensor, APP Sensor-To-Brake Sensor Inputs Implausible

P1576 ⁽³⁾

Brake Pedal Sensor, APP Sensor-To-Brake Inputs High

P1577 ⁽³⁾

Brake Pedal Sensor, APP Sensor-To-Brake Inputs Low

P1621 ⁽¹⁾

Serial Link With Immobilization ECU, Timeout

P1624 ⁽¹⁾

Serial Link With Immobilization ECU, Code Not Accepted

P1625 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Internal Fault

P1626 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Engine Torque Monitoring Problem

P1627 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Engine Speed Monitoring Problem

P1628 ⁽¹⁾

ECM Throttle Monitoring/Self-Test, PWM Signal 1 Duty Cycle Threshold Exceeded For Less Than One Second

P1629 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, PWM Signal 2 Duty Cycle Threshold Exceeded For More Than One Second

P1630 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Throttle Position Control Deviation

P1631 ⁽⁴⁾

Throttle, Motor Power Stage Fault

P1636 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Throttle Motor Adaption Not Completed

P1637 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Throttle Motor Lower Adaption Not Plausible

P1638 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Throttle Motor Upper Adaption Not Completed

P1639 ⁽⁴⁾

ECM Throttle Monitoring/Self-Test, Throttle Motor Spring Test Not Completed

P1641 ⁽¹⁾

CAN Bus, Bus Off

P1645 ⁽¹⁾

CAN Bus Link With ABS ECU, Timed Out

P1646 ⁽¹⁾

CAN Bus Link With EAT ECU

P1647 ⁽¹⁾

CAN Bus Link With Instrument Pack, Timed Out

P1666 ⁽¹⁾

Serial Link With Immobilization ECU, Wrong Code

P1669 ⁽¹⁾

ECM Cooling Fan Signal, Open Or Short To Battery

P1670 ⁽¹⁾

ECM Cooling Fan Signal, Open Circuit

P1671 ⁽¹⁾

ECM Cooling Fan Signal

P1672 ⁽¹⁾

Serial Link With Immobilization ECU, Code Implausible

P1676 ⁽³⁾

ECM Throttle Monitoring/Self-Test, Engine Torque Versus Driver Demand Implausible

P1677 ⁽¹⁾

ECM Throttle Monitoring/Self-Test, Engine Speed Versus Driver Demand Implausible

P1678 ⁽⁴⁾

Throttle, Potentiometer 1 Defective

P1679 ⁽⁴⁾

Throttle Potentiometer 2 Defective

P1689 ⁽¹⁾

Brake Vacuum Enhancer Solenoid Valve, Short To Battery

P1690 ⁽¹⁾

Brake Vacuum Enhancer Solenoid Valve, Short To Ground

P1691 ⁽¹⁾

Brake Vacuum Enhancer Solenoid Valve, Open Circuit

P1692 ⁽¹⁾

Main Relay, Main Relay Fault

⁽¹⁾	No MILs are activated.

⁽²⁾	SERVICE ENGINE SOON MIL is activated (indicates an emissions related fault).

⁽³⁾	SERVICE ENGINE MIL is activated (indicates a non-emissions related fault).

⁽⁴⁾	Both MILs are activated.

Safety Warning

Diagnostic Trouble Code Identification

Use the Manual With the Right Hardware

When to See a Mechanic

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