P0103

Factory Manual References

Factory service manual diagnostic procedure for 2004 audi a8

Diagnostic Trouble Codes (DTC) Index

DTC Index - 4.2L (BFM Engine)

SAE Code VAG Code Code Description Corrective Action
P0011 16395 "A" Camshaft Position - Timing Over-Advanced or System Performance Bank 1 Check camshaft adjustment valves → Camshaft Adjustment Valves, Checking
P0012 16396 "A" Camshaft Position - Timing Over-Retarded Bank 1
P0021 16405 "A" Camshaft Position - Timing Over-Advanced or System Performance Bank 2
P0030 16414 HO2S Heater Control Circuit, Bank 1 Sensor 1 Check oxygen sensor heater for oxygen sensors before catalytic converter → Heater for Oxygen Sensor before Catalytic Converter, Checking
P0031 16415 HO2S Heater Control Circuit Low, Bank 1 Sensor 1
P0032 16416 HO2S Heater Control Circuit High, Bank 1 Sensor 1
P0036 16420 HO2S Heater Control Circuit Bank, 1 Sensor 2 Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC), checking → Heater for Oxygen Sensors after Catalytic Converter, Checking
P0037 16421 HO2S Heater Control Circuit Low, Bank 1 Sensor 2
P0038 16422 HO2S Heater Control Circuit High, Bank 1 Sensor 2
P0041 16425 O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 Note
P0050 16434 HO2S Heater Control Circuit Bank 2 Sensor 1 Check oxygen sensor heater for oxygen sensors before catalytic converter → Heater for Oxygen Sensor before Catalytic Converter, Checking
P0051 16435 HO2S Heater Control Circuit Low Bank 2 Sensor 1
P0052 16436 HO2S Heater Control Circuit High Bank 2 Sensor 1
P0056 16440 HO2S Heater Control Circuit Bank 2 Sensor 2 Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC), checking → Heater for Oxygen Sensors after Catalytic Converter, Checking
P0057 16441 HO2S Heater Control Circuit Low Bank 2 Sensor 2
P0058 16442 HO2S Heater Control Circuit High Bank 2 Sensor 2
P0102 16486 Mass or Volume Air Flow Circuit Low Input Mass Air Flow (MAF) Sensor G70 , checking → Mass Air Flow Sensor, Checking , Check intake air system for leaks (false air) → Intake System, Checking for Leaks
P0103 16487 Mass or Volume Air Flow Circuit High Input
P0112 16496 Intake Air Temperature Sensor 1 Circuit Low Intake Air Temperature (IAT) sensor, checking → Intake Air Temperature Sensors, Checking
P0113 16497 Intake Air Temperature Sensor 1 Circuit High
P0116 16500 Engine Coolant Temperature Circuit Range/Performance Engine Coolant Temperature (ECT) sensor, checking → Engine Coolant Temperature Sensor, Checking
P0117 16501 Engine Coolant Temperature Circuit Low
P0118 16502 Engine Coolant Temperature Circuit High
P0121 16505 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Throttle Position (TP) Sensor Checking → Throttle Valve Control Module, Checking
P0122 16506 Throttle/Pedal Position Sensor/Switch "A" Circuit Low
P0123 16507 Throttle/Pedal Position Sensor/Switch "A" Circuit High
P0130 16514 O2 Sensor Circuit, Bank 1 Sensor 1 Check oxygen sensor heating before catalytic converter → Heater for Oxygen Sensor before Catalytic Converter, Checking
P0133 16517 O2 Sensor Circuit Slow Response, Bank 1 Sensor 1 Check oxygen sensor before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function
P0135 16519 O2 Sensor Heater Circuit, Bank 1 Sensor 1 Check oxygen sensor heating before catalytic converter → Heater for Oxygen Sensor before Catalytic Converter, Checking
P0137 16521 O2 Sensor Circuit Low Voltage, Bank 1 Sensor 2 Check oxygen sensor behind catalytic converter → Oxygen Sensor after Catalytic Converter, Checking Function
P0138 16522 O2 Sensor Circuit High Voltage, Bank 1 Sensor 2
P0139 16523 O2 Sensor Circuit Slow Response, Bank 1 Sensor 2
P0140 16524 O2 Sensor Circuit No Activity Detected, Bank 1 Sensor 2
P0141 16525 O2 Sensor Heater Circuit, Bank 1 Sensor 2 Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC) → Heater for Oxygen Sensors after Catalytic Converter, Checking
P0150 16534 O2 Sensor Circuit Bank 2 Sensor 1 Check oxygen sensor heating before catalytic converter → Heater for Oxygen Sensor before Catalytic Converter, Checking
P0153 16537 O2 Sensor Circuit Slow Response Bank 2 Sensor 1 Check oxygen sensor before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function
P0155 16539 O2 Sensor Heater Circuit Bank 2 Sensor 1 Check oxygen sensor heating before catalytic converter → Heater for Oxygen Sensor before Catalytic Converter, Checking
P0157 16541 O2 Sensor Circuit Low Voltage Bank 2 Sensor 2 Check oxygen sensor behind catalytic converter → Oxygen Sensor after Catalytic Converter, Checking Function
P0158 16542 O2 Sensor Circuit High Voltage Bank 2 Sensor 2
P0159 16543 O2 Sensor Circuit Slow Response Bank 2 Sensor 2
P0160 16544 O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2
P0161 16545 O2 Sensor Heater Circuit Bank 2 Sensor 2 Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC) → Heater for Oxygen Sensors after Catalytic Converter, Checking
P0171 16555 System Too Lean, Bank 1 Fuel pressure regulator and residual pressure, checking → Fuel Pressure Regulator and Residual Pressure with Return Line, Checking Check fuel injectors → Fuel Injectors, Checking . Check intake air system for leaks (false air) → Intake System, Checking for Leaks . Check Fuel Pump (FP) G6 → Left Fuel Delivery Unit with Transfer Fuel Pump, Electrical Testing . Check Transfer Fuel Pump (FP) G23 → Right Fuel Delivery Unit with Transfer Fuel Pump, Electrical Testing . Check exhaust system for proper seal → Exhaust System, Checking for Leaks . Check secondary air system for proper seal → Secondary Air Injection Combination Valve, Checking . Check vacuum lines for proper seal
P0172 16556 System Too Rich, Bank 1 Fuel pressure regulator and residual pressure, checking → Fuel Pressure Regulator and Residual Pressure with Return Line, Checking . Check fuel injectors → Fuel Injectors, Checking . Check oxygen sensor and oxygen sensor control before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function . Check oxygen sensor and oxygen sensor control behind catalytic converter → Oxygen Sensor after Catalytic Converter, Checking Function . Check Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 → EVAP Canister Purge Regulator Valve, Electrical Testing . Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve N115 → EVAP Canister Purge Solenoid Valve 2, Electrical Testing
P0174 16558 System Too Lean Bank 2 Fuel pressure regulator and residual pressure, checking → Fuel Pressure Regulator and Residual Pressure with Return Line, Checking . Check fuel injectors → Fuel Injectors, Checking . Check intake air system for leaks (false air) → Intake System, Checking for Leaks . Check Fuel Pump (FP) G6 → Left Fuel Delivery Unit with Transfer Fuel Pump, Electrical Testing . Check Transfer Fuel Pump (FP) G23 → Right Fuel Delivery Unit with Transfer Fuel Pump, Electrical Testing . Check exhaust system for proper seal → Exhaust System, Checking for Leaks . Check secondary air system for proper seal → Secondary Air Injection Combination Valve, Checking . Check vacuum lines for proper seal
P0175 16559 System Too Rich Bank 2 Fuel pressure regulator and residual pressure, checking → Fuel Pressure Regulator and Residual Pressure with Return Line, Checking . Check fuel injectors → Fuel Injectors, Checking . Check oxygen sensor and oxygen sensor control before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function . Check oxygen sensor and oxygen sensor control behind catalytic converter → Oxygen Sensor after Catalytic Converter, Checking Function . Check Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 → EVAP Canister Purge Regulator Valve, Electrical Testing . Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve N115 → EVAP Canister Purge Solenoid Valve 2, Electrical Testing
P0201 16585 Injector Circuit/Open - Cylinder 1 Check fuel injectors → Fuel Injectors, Checking
P0202 16586 Injector Circuit/Open - Cylinder 2
P0203 16587 Injector Circuit/Open - Cylinder 3
P0204 16588 Injector Circuit/Open - Cylinder 4
P0205 16589 Injector Circuit/Open - Cylinder 5
P0206 16590 Injector Circuit/Open - Cylinder 6
P0207 16591 Injector Circuit/Open - Cylinder 7
P0208 16592 Injector Circuit/Open - Cylinder 8
P0221 16605 Throttle/Pedal Position Sensor/Switch "B" Circuit Range/Performance Check Throttle Valve Control Module J338 → Throttle Valve Control Module, Checking
P0222 16606 Throttle/Pedal Position Sensor/Switch "B" Circuit Low
P0223 16607 Throttle/Pedal Position Sensor/Switch "B" Circuit High
P0230 16614 Fuel Pump Primary Circuit Checking Fuel Pump (FP) relay → Fuel Pump Relay, Checking
P0261 16645 Cylinder 1 Injector Circuit Low Check fuel injectors → Fuel Injectors, Checking
P0262 16646 Cylinder 1 Injector Circuit High
P0264 16648 Cylinder 2 Injector Circuit Low
P0265 16649 Cylinder 2 Injector Circuit High
P0267 16651 Cylinder 3 Injector Circuit Low
P0268 16652 Cylinder 3 Injector Circuit High
P0270 16654 Cylinder 4 Injector Circuit Low
P0271 16655 Cylinder 4 Injector Circuit High
P0273 16657 Cylinder 5 Injector Circuit Low
P0274 16658 Cylinder 5 Injector Circuit High
P0276 16660 Cylinder 6 Injector Circuit Low
P0277 16661 Cylinder 6 Injector Circuit High
P0279 16663 Cylinder 7 Injector Circuit Low
P0280 16664 Cylinder 7 Injector Circuit High
P0282 16666 Cylinder 8 Injector Circuit Low
P0283 16667 Cylinder 8 Injector Circuit High
P0300 16684 Random/Multiple Cylinder Misfire Detected Check fuel injectors → Fuel Injectors, Checking .
Ignition coils, checking → Ignition Coils with Power Output Stage, Checking
Power output stages, checking → Power Output Stages, Checking
P0301 16685 Cylinder 1 Misfire Detected
P0302 16686 Cylinder 2 Misfire Detected
P0303 16687 Cylinder 3 Misfire Detected
P0304 16688 Cylinder 4 Misfire Detected
P0305 16689 Cylinder 5 Misfire Detected
P0306 16690 Cylinder 6 Misfire Detected
P0307 16691 Cylinder 7 Misfire Detected
P0308 16692 Cylinder 8 Misfire Detected
P0321 16705 Ignition/Distributor Engine Speed Input Circuit Range/Performance Engine Speed (RPM) Sensor G28 , checking → Engine Speed Sensor, Checking
P0322 16706 Ignition/Distributor Engine Speed Input Circuit No Signal
P0340 16724 Camshaft Position Sensor "A" Circuit, Bank 1 or Single Sensor Check Camshaft Position (CMP) Sensor G40 and Camshaft Position (CMP) Sensor 2 G163 → Camshaft Position Sensors, Checking
P0341 16725 Camshaft Position Sensor "A" Circuit Range/Performance, Bank 1 or Single Sensor
P0342 16726 Camshaft Position Sensor "A" Circuit Low, Bank 1 or Single Sensor
P0343 16727 Camshaft Position Sensor "A" Circuit High, Bank 1 or Single Sensor
P0345 16729 Camshaft Position Sensor "A" Circuit Bank 2
P0346 16730 Camshaft Position Sensor "A" Circuit Range/Performance Bank 2
P0347 16731 Camshaft Position Sensor "A" Circuit Low Bank 2
P0348 16732 Camshaft Position Sensor "A" Circuit High Bank 2
P0351 16735 Ignition Coil "A" Primary/Secondary Circuit Check Ignition coils → Ignition Coils with Power Output Stage, Checking
P0352 16736 Ignition Coil "B" Primary/Secondary Circuit
P0353 16737 Ignition Coil "C" Primary/Secondary Circuit
P0354 16738 Ignition Coil "D" Primary/Secondary Circuit
P0355 16739 Ignition Coil "E" Primary/Secondary Circuit
P0356 16740 Ignition Coil "F" Primary/Secondary Circuit
P0357 16741 Ignition Coil "G" Primary/Secondary Circuit
P0358 16742 Ignition Coil "H" Primary/Secondary Circuit
P0413 16797 Secondary Air Injection solenoid valve N112 Open Check Secondary Air Injection (AIR) Solenoid Valve N112 → Secondary Air Injection Solenoid Valve, Checking
P0414 16798 Secondary Air Injection solenoid valve N112 Short circuit
P0418 16802 Secondary Air Injection System Control "A" Circuit Check Secondary Air Injection (AIR) Pump Relay J299 activation → Secondary Air Injection Pump Relay, Checking
P0420 16804 Catalyst System, Bank1, Efficiency Below Threshold Check oxygen sensor before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function
Check catalytic converter → Three Way Catalytic Converters, Checking
P0421 16805 Warm Up Catalyst Efficiency Below Threshold, Bank 1
P0430 16814 Catalyst System Efficiency Below Threshold Bank 2
P0431 16815 Warm Up Catalyst Efficiency Below Threshold, Bank 2
P0432 16816 Main Catalyst Efficiency Below Threshold Bank 2
P0441 16825 Evaporative Emission System Incorrect Purge Flow Perform Evaporative Emissions (EVAP) system diagnostic leak test → EVAP System Diagnostic Leak Test, Performing
P0442 16826 Evaporative Emission System Leak Detected (small leak)
P0444 16828 Evaporative Emission System Purge Control Valve Circuit Open Check Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 → EVAP Canister Purge Regulator Valve, Electrical Testing
P0445 16829 Evaporative Emission System Purge Control Valve Circuit Shorted
P0449 16833 Evaporative Emission System Vent Valve/Solenoid Circuit Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve N115 → EVAP Canister Purge Solenoid Valve 2, Electrical Testing
P0455 16839 Evaporative Emission System Leak Detected (large leak) Perform Evaporative Emissions (EVAP) system diagnostic leak test → EVAP System Diagnostic Leak Test, Performing
P0456 16840 Evaporative Emission System Leak Detected (very small leak)
P0491 16875 Secondary Air Injection System Insufficient Flow Bank 1 Check secondary air system for proper seal → Secondary Air Injection Combination Valve, Checking . Secondary Air Injection (AIR) Solenoid Valve N112 → Secondary Air Injection Solenoid Valve, Checking . Check Secondary Air Injection (AIR) Pump Relay J299 activation → Secondary Air Injection Pump Relay, Checking
P0492 16876 Secondary Air Injection System Insufficient Flow Bank 2
P0498 16882 Evaporative Emission System Vent Valve Control Circuit Low Evaporative Emission (EVAP) Canister Purge Solenoid Valve N115 Checking → EVAP Canister Purge Solenoid Valve 2, Electrical Testing
P0499 16883 Evaporative Emission System Vent Valve Control Circuit High
P0501 16885 Vehicle Speed Sensor "A" Range/Performance Check speed signal → Speed Signal, Checking
P0506 16890 Idle Air Control System RPM Lower Than Expected Check throttle valve control module → Throttle Valve Control Module, Checking
P0507 16891 Idle Air Control System RPM Higher Than Expected
P0601 16985 Internal Control Module Memory Check Sum Error Replacing Engine Control Module (ECM) → Engine Control Module, Replacing
P0604 16988 Internal Control Module Random Access Memory (RAM) Error
P0605 16989 Internal Control Module Read Only Memory (ROM) Error
P0606 16990 ECM/PCM Processor
P0638 17022 Throttle Actuator Control Range/Performance Check throttle valve control module → Throttle Valve Control Module, Checking . Check Throttle Position (TP) Sensor → Throttle Position Sensor, Checking
P0685 17069 ECM/PCM Power Relay Control Circuit/Open Motronic Engine Control Module (ECM) Power Supply Relay J271 Checking → Motronic Engine Control Module Power Supply Relay, Checking
P0686 17070 ECM/PCM Power Relay Control Circuit Low
P0687 17071 ECM/PCM Power Relay Control Circuit High
P0688 17072 Power supply relay J271 , load circuit open
P2096 18528 Post Catalyst Fuel Trim System Too Lean, Bank 1 Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC) → Oxygen Sensor before Catalytic Converter, Checking Function . Check intake air system for leaks (false air) → Intake System, Checking for Leaks
P2097 18529 Post Catalyst Fuel Trim System Too Rich
P2098 18530 Post Catalyst Fuel Trim System Too Lean Bank 2 Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC) → Oxygen Sensor after Catalytic Converter, Checking Function . Check intake air system for leaks (false air) → Intake System, Checking for Leaks
P2099 18531 Post Catalyst Fuel Trim System Too Rich Bank 2
P2101 18533 Throttle Actuator Control Motor Circuit Range/Performance Check throttle valve control module → Throttle Valve Control Module, Checking . Fuel pressure regulator and residual pressure, checking → Fuel Pressure Regulator and Residual Pressure with Return Line, Checking
P2106 18538 Throttle Actuator Control System, Forced Limited Power
P2122 18554 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input Check Throttle Position (TP) Sensor → Throttle Position Sensor, Checking
P2123 18555 Throttle/Pedal Position Sensor/Switch "D" Circuit High Input
P2127 18559 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input
P2128 18560 Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
P2138 18570 Throttle/Pedal Position Sensor/Switch "D" / "E" Voltage Correlation
P2181 18613 Cooling System Performance Check Engine Coolant Temperature (ECT) Sensor G62 → Engine Coolant Temperature Sensor, Checking . Check coolant regulator Engine Mechanical 19 Cooling System Components, Removing and Installing
P2195 18627 O2 Sensor Signal Stuck Lean Bank 1 Sensor 1 Check oxygen sensor before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function
P2196 18628 O2 Sensor Signal Stuck Rich Bank 1 Sensor 1
P2197 18629 O2 Sensor Signal Stuck Lean Bank 2 Sensor 1
P2198 18630 O2 Sensor Signal Stuck Rich Bank 2 Sensor 1
P2231 18663 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1 Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC) → Heater for Oxygen Sensor before Catalytic Converter, Checking
P2234 18666 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1
P2237 18669 O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1 Check oxygen sensor signal wire and activation → Oxygen Sensors before Catalytic Converter, Checking Signal Wire and Activation
P2240 18672 O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1
P2247 18679 O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1
P2251 18683 O2 Sensor Negative Current Control Circuit/Open, Bank 1 Sensor 1 Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC) → Heater for Oxygen Sensor before Catalytic Converter, Checking
P2254 18686 O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1
P2257 18689 Secondary Air Injection System Control "A" Circuit Low Check activation of Secondary Air Injection (AIR) Pump Relay J299 → Secondary Air Injection Pump Relay, Checking
P2258 18690 Secondary Air Injection System Control "A" Circuit High
P2400 18832 Evaporative Emission System Leak Detection Pump Control Circuit/Open Perform Evaporative Emissions (EVAP) system diagnostic leak test → EVAP System Diagnostic Leak Test, Performing
Check Leak detection pump (LDP) V144 → Leak Detection Pump, Checking
P2401 18833 Evaporative Emission System Leak Detection Pump Control Circuit Low
P2402 18834 Evaporative Emission System Leak Detection Pump Control Circuit High
P2403 18835 Evaporative Emission System Leak Detection Pump Sense Circuit/Open
P2404 18836 Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
P2414 18846 O2 Sensor Exhaust Sample Error Bank 1 Sensor 1 Check oxygen sensor control before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function
P2415 18847 O2 Sensor Exhaust Sample Error Bank 2 Sensor 1
P2422 18854 Evaporative Emission System Vent Valve Stuck Closed Evaporative Emission (EVAP) Canister Purge Solenoid Valve N115 → EVAP Canister Purge Solenoid Valve 2, Electrical Testing
P2626 19058 O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 Check oxygen sensor control before catalytic converter → Oxygen Sensor before Catalytic Converter, Checking Function
P2629 19061 O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 1
P2632 19064 Fuel Pump "B" Control Circuit/Open Check Fuel Pump (FP) 2 Relay J49 → Fuel Pump 2 Relay, Checking
P2634 19066 Fuel Pump "B" Control Circuit High
P3081 19537 Engine Temperature Too Low Let engine warm up until coolant temperature is at least 50 degrees → Diagnostic mode 1; check measuring values; PID 5, cooling fluid temperature
U0001 28673 High Speed CAN Communication Bus Note
U0101 28773 Lost Communication With TCM
U0155 28827 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0402 29074 Invalid Data Received From Transmission Control Module

Mil On (Mass Airflow Sensor DTCS P0101, P0102, P0103, P0112, P0113 In ECM) (GROUP 24, NO. 10-35)

Publication date: 2010-06-17
Reference number: GROUP 24, NO. 10-35
Supersedes refnos: 2014521, GROUP 24, NO. 08-04, GROUP 24, NO. 08-49, GROUP 24, NO. 09-16

MIL ON (MASS AIRFLOW SENSOR DTCS P0101, P0102, P0103, P0112, P0113 IN ECM)

MIL ON (MASS AIRFLOW SENSOR DTCS P0101, P0102, P0103, P0112, P0113 IN ECM)

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 24, NO. 10-35 (2014521/5), Date of Issue:  June 17, 2010
AUDI: S4 2004 - 2007; S4 Cabriolet 2005 - 2007; RS6 2003 - 2004; allroad 2004 - 2005; A8 2004 - 2005, 2006
GROUP: 24 - Multiport Fuel Injection
Superceded Bulletin(s): GROUP 24, NO. 09-16, Date of Issue:  August 7, 2009

SUBJECT

MIL on (Mass airflow sensor DTCs P0101, P0102, P0103, P0112, P0113 in ECM) 

24 10 35 2014521/5 June 17, 2010. Supersedes Technical Service Bulletin Group 24 number 09-16 dated August 7, 2009.

APPLICABLE MODELS AND YEARS

Model(s) Year VIN Range Vehicle-Specific Equipment
S4 2004 - 2007 All Engine Code BHF
S4 Cabriolet 2005 - 2007 900001 - 999999 Engine Code BHF
RS6 2003 - 2004 900001 - 999999 Engine Code BCY
allroad 2004 - 2005 All Engine Code BAS
A8 2004 - 2005 All Engine Code BFM
2006 All Engine Code BGK

CONDITION

  • MIL on.
  • Engine has low performance without significant loss of power or stalling.

TECHNICAL BACKGROUND

DTCs related to the Mass Air Flow Sensor and fuel trim faults can be related to (but not limited to) the following conditions:

  • False intake air, or air filter element very dirty.
  • Fuel pressure too low.
  • Mass Air Flow Sensor fault. Possible fault entries associated with this condition:
    • DTC 16485  (P0101 Mass or Volume Air Flow Circuit Range/Performance).
    • DTC 16486  (P0102 Mass or Volume Air Flow Circ. Low Input).
    • DTC 16487  (P0103 Mass or Volume Air Flow Circ. High Input).
    • DTC 16496  (P0112 Intake Air Temp.Circ. Low Input).
    • DTC 16497  (P0113 Intake Air Temp.Circ. High Input).

PRODUCTION SOLUTION

No measures necessary.

SERVICE

  1. Ensure one of the previously listed DTCs are logged. Verify this using the GFF test.
    • A replacement of the Mass Air Flow Sensor-G70 is only permitted if one of the above fault entries is logged and verified using the GFF test.
    • If there is no fault entry for the Mass Air Flow Sensor, carry out the following checks and GFF tests related to the DTCs in ECM fault memory.
  2. Check air filter installation. The air filter must be the factory air filter element that is clean, dry and properly seated in the air box assembly.
  3. Check fuel pressure per procedure in ElsaWeb.
    • With too high fuel pressure, the mixture adaptation value is smaller than normal.
    • With too low fuel pressure, the mixture adaptation value is larger than normal.
  4. Check the mixture adaptation values in the measured value block of the engine control unit 032 (idle speed: values 1+3/part load: values 2+4).
    • Values 1+3 should be +/- 2.5% and values 2+4 +/-10%.
  5. Check the intake system for false air with leak detection spray G 001 800 A1. 

    The leak detection spray is drawn in with false air through vacuum into the intake system. The leak detection spray reduces the ignitability of the air/fuel mixture. This leads to a drop in engine RPM and a change in oxygen sensor values.

    With false intake air, the actual lambda value MVB 031/value 1+3 goes up and the lambda control value MVB 033/value 1+3 goes down.

WARRANTY

WARRANTY INFORMATION

Claim Type:  Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin is informational only.
Service Number:  2445
Damage Code:  0010
Labor Operations:  Replace Mass Air Flow Sensor G70 - S4/S4 Cabrio 2445 19 31 30 TU
Replace Mass Air Flow Sensor G70 - allroad 2445 19 29 40 TU
Replace Mass Air Flow Sensor G70 or G246- RS 6 2445 19 27 70 TU
Replace Mass Air Flow Sensor both G70 and G246 - RS 6 2445 20 28 70 TU
Replace Mass Air Flow Sensor G70 - A8 2445 19 29 70 TU
Diagnostic Time:  GFF 0150 0000 Time stated on diagnostic protocol
Road test prior to service procedure 0121 0002 10 TU
Road test after service procedure 0121 0004 10 TU
Technical diagnosis at dealer's discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:  As per TSB #2014521/5

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual.  Claims are subject to review or audit by Audi Warranty.

ADDITIONAL INFORMATION

More information on this system can be found in the following resources:

  • ElsaWeb: TSB 2010064 24 Engine Intake Manifold Mounting Bolt Torque
  • ElsaWeb: TSB 2010221 01 MIL on (DTC P1127, P1129, P1136 & P1138)
  • ElsaWeb: TSB 2014753 01 MIL on, gasoline quality (DTC P0300 or P030x, lean condition DTCs)

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.

Mil On (Mass Airflow Sensor DTCS P0101, P0102, P0103, P0112, P0113 In ECM) (GROUP 24, NO. 10-35)

Publication date: 2010-06-17
Reference number: GROUP 24, NO. 10-35
Supersedes refnos: 2014521, GROUP 24, NO. 08-04, GROUP 24, NO. 08-49, GROUP 24, NO. 09-16

MIL ON (MASS AIRFLOW SENSOR DTCS P0101, P0102, P0103, P0112, P0113 IN ECM)

MIL ON (MASS AIRFLOW SENSOR DTCS P0101, P0102, P0103, P0112, P0113 IN ECM)

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 24, NO. 10-35 (2014521/5), Date of Issue:  June 17, 2010
AUDI: S4 2004 - 2007; S4 Cabriolet 2005 - 2007; RS6 2003 - 2004; allroad 2004 - 2005; A8 2004 - 2005, 2006
GROUP: 24 - Multiport Fuel Injection
Superceded Bulletin(s): GROUP 24, NO. 09-16, Date of Issue:  August 7, 2009

SUBJECT

MIL on (Mass airflow sensor DTCs P0101, P0102, P0103, P0112, P0113 in ECM) 

24 10 35 2014521/5 June 17, 2010. Supersedes Technical Service Bulletin Group 24 number 09-16 dated August 7, 2009.

APPLICABLE MODELS AND YEARS

Model(s) Year VIN Range Vehicle-Specific Equipment
S4 2004 - 2007 All Engine Code BHF
S4 Cabriolet 2005 - 2007 900001 - 999999 Engine Code BHF
RS6 2003 - 2004 900001 - 999999 Engine Code BCY
allroad 2004 - 2005 All Engine Code BAS
A8 2004 - 2005 All Engine Code BFM
2006 All Engine Code BGK

CONDITION

  • MIL on.
  • Engine has low performance without significant loss of power or stalling.

TECHNICAL BACKGROUND

DTCs related to the Mass Air Flow Sensor and fuel trim faults can be related to (but not limited to) the following conditions:

  • False intake air, or air filter element very dirty.
  • Fuel pressure too low.
  • Mass Air Flow Sensor fault. Possible fault entries associated with this condition:
    • DTC 16485  (P0101 Mass or Volume Air Flow Circuit Range/Performance).
    • DTC 16486  (P0102 Mass or Volume Air Flow Circ. Low Input).
    • DTC 16487  (P0103 Mass or Volume Air Flow Circ. High Input).
    • DTC 16496  (P0112 Intake Air Temp.Circ. Low Input).
    • DTC 16497  (P0113 Intake Air Temp.Circ. High Input).

PRODUCTION SOLUTION

No measures necessary.

SERVICE

  1. Ensure one of the previously listed DTCs are logged. Verify this using the GFF test.
    • A replacement of the Mass Air Flow Sensor-G70 is only permitted if one of the above fault entries is logged and verified using the GFF test.
    • If there is no fault entry for the Mass Air Flow Sensor, carry out the following checks and GFF tests related to the DTCs in ECM fault memory.
  2. Check air filter installation. The air filter must be the factory air filter element that is clean, dry and properly seated in the air box assembly.
  3. Check fuel pressure per procedure in ElsaWeb.
    • With too high fuel pressure, the mixture adaptation value is smaller than normal.
    • With too low fuel pressure, the mixture adaptation value is larger than normal.
  4. Check the mixture adaptation values in the measured value block of the engine control unit 032 (idle speed: values 1+3/part load: values 2+4).
    • Values 1+3 should be +/- 2.5% and values 2+4 +/-10%.
  5. Check the intake system for false air with leak detection spray G 001 800 A1. 

    The leak detection spray is drawn in with false air through vacuum into the intake system. The leak detection spray reduces the ignitability of the air/fuel mixture. This leads to a drop in engine RPM and a change in oxygen sensor values.

    With false intake air, the actual lambda value MVB 031/value 1+3 goes up and the lambda control value MVB 033/value 1+3 goes down.

WARRANTY

WARRANTY INFORMATION

Claim Type:  Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin is informational only.
Service Number:  2445
Damage Code:  0010
Labor Operations:  Replace Mass Air Flow Sensor G70 - S4/S4 Cabrio 2445 19 31 30 TU
Replace Mass Air Flow Sensor G70 - allroad 2445 19 29 40 TU
Replace Mass Air Flow Sensor G70 or G246- RS 6 2445 19 27 70 TU
Replace Mass Air Flow Sensor both G70 and G246 - RS 6 2445 20 28 70 TU
Replace Mass Air Flow Sensor G70 - A8 2445 19 29 70 TU
Diagnostic Time:  GFF 0150 0000 Time stated on diagnostic protocol
Road test prior to service procedure 0121 0002 10 TU
Road test after service procedure 0121 0004 10 TU
Technical diagnosis at dealer's discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:  As per TSB #2014521/5

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual.  Claims are subject to review or audit by Audi Warranty.

ADDITIONAL INFORMATION

More information on this system can be found in the following resources:

  • ElsaWeb: TSB 2010064 24 Engine Intake Manifold Mounting Bolt Torque
  • ElsaWeb: TSB 2010221 01 MIL on (DTC P1127, P1129, P1136 & P1138)
  • ElsaWeb: TSB 2014753 01 MIL on, gasoline quality (DTC P0300 or P030x, lean condition DTCs)

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

Digital Sound System Control Module 2 Harness Connectors, Bang and Olufsen

Diagram

Digital Sound System Control Module Harness Connectors, Bang and Olufsen

Diagram

Digital Sound System Control Module Harness Connectors, BOSE

Diagram

Digital Sound System Control Module Harness Connectors, BOSE 6000

Diagram

Diagrams

Location

CHRYSLER Group LLC

Location

Ford Motor Co.

Location

General Motors

Location

CHRYSLER Group LLC

Fuse/Relay

Diagnostic Trouble Codes (DTC) Index

Fuse/Relay

CHRYSLER Group LLC

Fuse/Relay

General Motors

Fuse/Relay

Ford Motor Co.

Related Procedures

Procedure

Air Bags:Frontal (06V324000)

Procedure

BLUETOOTH Disabling While Performing Module Updates (CTT 01-14-03)

Procedure

Airbag System, Servicing (GROUP 69, NO. 08-06)

Procedure

All Models, 02 Sensor DTCS (CTT 01-14-01)

Procedure

BLUETOOTH Disabling While Performing Module Updates (CTT 01-14-03)

Procedure

BLUETOOTH Disabling While Performing Module Updates (CTT 01-14-03)

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