Fuel and air ratios

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DIAGNOSTIC TROUBLE CODE (DTC) - P1102-P1118

SAE - DTC	VAG Code	DTC text	Corrective action
P1102	17510	Bank 1 -sensor 1, heating circuit short to B+	Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC), see OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC CONVERTER (TWC) Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC), see OXYGEN SENSOR (O2S) AND OXYGEN SENSOR CONTROL BEFORE THREE WAY CATALYTIC CONVERTER (TWC)
P1103	17511	Bank 1 -sensor 1, heating circuit, output too low
P1105	17513	Bank 1 -sensor 2, heating circuit short to B+	Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC), see OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER (TWC)
P1115	17523	Bank 1 -sensor 1, heating circuit short to Ground	Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC), see OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC CONVERTER (TWC)
P1116	17524	Bank 1 -sensor 1, heating circuit open
P1117	17525	Bank 1 -sensor 2, heating circuit short to Ground	Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC), see OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER (TWC)
P1118	17526	Bank 1 -sensor 2, heating circuit open

DIAGNOSTIC TROUBLE CODE (DTC) - P1127

SAE - DTC	VAG Code	DTC text	Corrective action
P1127	17535	Bank 1, mixture adaptation (mult.) System too rich	Check fuel pressure regulator and residual pressure, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-, see 20 FUEL SUPPLY

DIAGNOSTIC TROUBLE CODE (DTC) - P1128

SAE - DTC	VAG Code	DTC text	Corrective action
P1128	17536	Bank 1, mixture adaptation (mult.) System too lean	Check fuel pressure regulator and residual pressure, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) Check Fuel Pump (FP) -G6-, see 20 FUEL SUPPLY Check exhaust system for proper seal, see EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING Check Secondary Air Injection (AIR) system for proper seal, see SECONDARY AIR INJECTION SYSTEM Check vacuum lines for proper seal

DIAGNOSTIC TROUBLE CODE (DTC) - P1136

SAE - DTC	VAG Code	DTC text	Corrective action
P1136	17544	Bank 1, mixture adaptation (add.) system too lean	Check fuel pressure regulator and residual pressure, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) Check Fuel Pump (FP) -G6-, see 20 FUEL SUPPLY Check exhaust system for proper seal, see EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING . Check Secondary Air Injection (AIR) system for proper seal, see SECONDARY AIR INJECTION SYSTEM Check vacuum lines for proper seal

NOTE: add = additive, means that malfunction is only valid at closed throttle (idle).

DIAGNOSTIC TROUBLE CODE (DTC) - P1137

SAE - DTC	VAG Code	DTC text	Corrective action
P1137	17545	Bank 1, mixture adaptation (add.) system too rich	Check fuel pressure regulator and residual pressure, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-, see 20 FUEL SUPPLY

NOTE: add = additive, means that malfunction is only valid at closed throttle (idle).

DIAGNOSTIC TROUBLE CODE (DTC) - P1141-P1143

SAE - DTC	VAG Code	DTC text	Corrective action
P1141	17549	Load detection implausible value	Check Mass Air Flow (MAF) Sensor -G70-, see MASS AIR FLOW (MAF) SENSOR, CHECKING Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) Check Throttle Valve Control Module -J338-, see THROTTLE VALVE CONTROL MODULE, CHECKING Check Throttle Position (TP) Sensor -G79- and Sender -2- for accelerator pedal position -G185-, see 20 FUEL SUPPLY
P1142	17550	Load detection, lower limit not reached
P1143	17551	Load detection limit exceeded

SAE - DTC

VAG Code

DTC text

Corrective action

P1141

17549

Load detection implausible value

Check Mass Air Flow (MAF) Sensor -G70-, see MASS AIR FLOW (MAF) SENSOR, CHECKING

Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR)

Check Throttle Valve Control Module -J338-, see THROTTLE VALVE CONTROL MODULE, CHECKING
Check Throttle Position (TP) Sensor -G79- and Sender -2- for accelerator pedal position -G185-, see 20 FUEL SUPPLY

P1142

17550

Load detection, lower limit not reached

P1143

17551

Load detection limit exceeded

DIAGNOSTIC TROUBLE CODE (DTC) - P1151

SAE - DTC	VAG Code	DTC text	Corrective action
P1151	17559	Bank 1, Long Term Fuel Trim, Range 1, Leanness Lower Limit Exceeded	FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) Check Fuel Pump (FP) -G6-, see 20 FUEL SUPPLY Check exhaust system for proper seal, see EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING . Check Secondary Air Injection (AIR) system for proper seal, see SECONDARY AIR INJECTION SYSTEM Check vacuum lines for proper seal

DIAGNOSTIC TROUBLE CODE (DTC) - P1152

SAE - DTC	VAG Code	DTC text	Corrective action
P1152	17560	Bank 1, Long Term Fuel Trim, Range 2, Leanness Lower Limit Exceeded	Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) Check Fuel Pump (FP) -G6-, see 20 FUEL SUPPLY Check exhaust system for proper seal, see EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING Check Secondary Air Injection (AIR) system for proper seal, see SECONDARY AIR INJECTION SYSTEM Check vacuum lines for proper seal

DIAGNOSTIC TROUBLE CODE (DTC) - P1165-P1173)

SAE - DTC	VAG Code	DTC text	Corrective action
P1165	17573	Bank 1, mixture adaptation, area 1, richness limit exceeded	Check fuel pressure regulator and residual pressure, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-, see 20 FUEL SUPPLY
P1166	17574	Bank 1, mixture adaptation, area 2, richness limit exceeded
P1171	17579	Throttle Actuation Potentiometer Sign.2, Range/Performance	Check Throttle Valve Control Module -J338-, see THROTTLE VALVE CONTROL MODULE, CHECKING
P1172	17580	Throttle Actuation Potentiometer Sign.2, Signal too low
P1173	17581	Throttle Actuation Potentiometer Sign.2, Signal too high

DIAGNOSTIC TROUBLE CODE (DTC) - P1176

SAE - DTC	VAG Code	DTC text	Corrective action
P1176	17584	Bank 1 oxygen sensor correction behind cat. control limit reached	Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC), see OXYGEN SENSOR (O2S) AND OXYGEN SENSOR CONTROL BEFORE THREE WAY CATALYTIC CONVERTER (TWC) Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC), see OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING Check intake air system for leaks (false air), see CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR)

DIAGNOSTIC TROUBLE CODE (DTC) - P1178-P1186

SAE - DTC	VAG Code	DTC text	Corrective action
P1178	17586	linear Lambda probe / pump current, open	Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC), see OXYGEN SENSOR (O2S) AND OXYGEN SENSOR CONTROL BEFORE THREE WAY CATALYTIC CONVERTER (TWC)
P1179	17586	linear Lambda probe / pump current, short to ground
P1180	17588	linear Lambda probe / pump current, short to B+
P1181	17589	linear Lambda probe / reference voltage, open
P1182	17590	linear Lambda probe / reference voltage, short to ground
P1183	17591	linear Lambda probe / reference voltage, short to B+
P1184	17592	linear Lambda probe / common ground wire, open
P1185	17593	linear Lambda probe / common ground wire, short to ground
P1186	17594	linear Lambda probe / common ground wire, short to B+

DIAGNOSTIC TROUBLE CODE (DTC) - P1196-P1198

SAE - DTC	VAG Code	DTC text	Corrective action
P1196	17604	Bank 1 -sensor 1, heating circuit electrical malfunction	Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC), see OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC CONVERTER (TWC)
P1198	17606	Bank 1 -sensor 2, heating circuit electrical malfunction	Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC), see OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER (TWC)

DIAGNOSTIC TROUBLE CODE (DTC) - P1213-P1228

SAE - DTC	VAG Code	DTC text	Corrective action
P1213	17621	Cyl.1-Fuel Inj. Circ., Short to B+	Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-), see CHECK FUEL INJECTORS
P1214	17622	Cyl.2-Fuel Inj. Circ., Short to B+
P1215	17623	Cyl.3-Fuel Inj. Circ., Short to B+
P1216	17624	Cyl.4-Fuel Inj. Circ., Short to B+
P1225	17633	Cyl.1-Fuel Inj. Circ., Short to Ground
P1226	17634	Cyl.2-Fuel Inj. Circ., Short to Ground
P1227	17635	Cyl.3-Fuel Inj. Circ., Short to Ground
P1228	17636	Cyl.4-Fuel Inj. Circ., Short to Ground

DIAGNOSTIC TROUBLE CODE (DTC) - P1237-P1240

SAE - DTC	VAG Code	DTC text	Corrective action
P1237	17645	Cyl.1-Fuel Inj. Circ. Open Circ.	Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector - N33-), see CHECK FUEL INJECTORS
P1238	17646	Cyl.2-Fuel Inj. Circ. Open Circ.
P1239	17647	Cyl.3-Fuel Inj. Circ. Open Circ.
P1240	17648	Cyl.4-Fuel Inj. Circ. Open Circ.

DIAGNOSTIC TROUBLE CODE (DTC) - P1255-P1296

SAE - DTC	VAG Code	DTC text	Corrective action
P1255	17663	Engine Coolant Temp. Circ. Short to Ground	Check Engine Coolant Temperature (ECT) Sensor -G62-, see ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING Check coolant regulator: See 19 ENGINE - COOLING SYSTEM
P1256	17664	Engine Coolant Temp. Circ. Open/Short to B+
P1296	17704	Malfunction in cooling system	Check Engine Coolant Temperature (ECT) Sensor -G62-, see ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING Check coolant regulator: See 19 ENGINE - COOLING SYSTEM

SAE - DTC

VAG Code

DTC text

Corrective action

P1255

17663

Engine Coolant Temp. Circ. Short to Ground

Check Engine Coolant Temperature (ECT) Sensor -G62-, see ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING

Check coolant regulator:
See 19 ENGINE - COOLING SYSTEM

P1256

17664

Engine Coolant Temp. Circ. Open/Short to B+

P1296

17704

Malfunction in cooling system

Check Engine Coolant Temperature (ECT) Sensor -G62-, see ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING
Check coolant regulator:
See 19 ENGINE - COOLING SYSTEM