Fuel and air ratios

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DIAGNOSTIC TROUBLE CODE P1102-P1127

SAE-DTC	DTC text	Corrective action
P1102	Bank 1, sensor 1, heating circuit Short circuit to B+	Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEFORE THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P1105	Bank 1, sensor 2, heating circuit Short circuit to B+
P1107	Bank 2, sensor 1, heating circuit Short circuit to B+
P1110	Bank 2, sensor 2, heating circuit Short circuit to B+
P1113	Bank 1, sensor 1, Internal resistance too high	Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEFORE THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING .
P1114	Bank 1, sensor 2, Internal resistance too high	Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .
P1115	Bank 1, sensor 1, heating circuit Short circuit to Ground (GND)	Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEFORE THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P1116	Bank 1, sensor 1, heating circuit Open circuit
P1117	Bank 1, sensor 2, heating circuit Short circuit to Ground (GND)	Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P1118	Bank 1, sensor 2, heating circuit Open circuit
P1119	Bank 2, sensor 1, heating circuit Short circuit to Ground (GND)	Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEFORE THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P1120	Bank 2, sensor 1, heating circuit Open circuit
P1121	Bank 2, sensor 2, heating circuit Short circuit to Ground (GND)	Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P1122	Bank 2, sensor 2, heating circuit Open circuit
P1127	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. See FUEL INJECTORS, CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. See CHECKING EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE -N80- .

NOTE: mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.

DIAGNOSTIC TROUBLE CODE P1128

SAE-DTC	DTC text	Corrective action
P1128	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. See FUEL INJECTORS, CHECKING . Check intake air system for leaks (false air). See CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) . Check Fuel Pump (FP). See FUEL PUMP (FP), ELECTRICAL TESTING . Check exhaust system for proper seal. See EXHAUST SYSTEM, CHECKING FOR PROPER SEAL . Check Secondary Air Injection (AIR) system for proper seal. See CHECKING SECONDARY AIR SYSTEM FOR PROPER SEAL . Check vacuum lines for proper seal.

NOTE: mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.

DIAGNOSTIC TROUBLE CODE P1129

SAE-DTC	DTC text	Corrective action
P1129	Bank 2, mixture adaptation (mult.) System too rich	Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING . Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING . Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. See CHECKING EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE -N80- .

NOTE: mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.

DIAGNOSTIC TROUBLE CODE P1130-P1131

SAE-DTC	DTC text	Corrective action
P1130	Bank 2, mixture adaptation (mult.) System too lean	Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING . Check intake air system for leaks (false air). See CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) . Check Fuel Pump (FP). See FUEL PUMP (FP), ELECTRICAL TESTING . Check exhaust system for proper seal. See EXHAUST SYSTEM, CHECKING FOR PROPER SEAL . Check Secondary Air Injection (AIR) system for proper seal. See CHECKING SECONDARY AIR SYSTEM FOR PROPER SEAL . Check vacuum lines for proper seal.
P1131	Bank 2, sensor 1 Internal resistance too high	Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEFORE THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING .

NOTE: mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.

DIAGNOSTIC TROUBLE CODE P1136

SAE-DTC	DTC text	Corrective action
P1136	Bank 1, mixture adaptation (add.) System too lean	Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING . Check intake air system for leaks (false air). See CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) . Check Fuel Pump (FP). See FUEL PUMP (FP), ELECTRICAL TESTING . Check exhaust system for proper seal. See EXHAUST SYSTEM, CHECKING FOR PROPER SEAL . Check Secondary Air Injection (AIR) system for proper seal. See CHECKING SECONDARY AIR SYSTEM FOR PROPER SEAL . Check vacuum lines for proper seal.

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

DIAGNOSTIC TROUBLE CODE P1137

SAE-DTC	DTC text	Corrective action
P1137	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. See FUEL INJECTORS, CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. See CHECKING EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE -N80- .

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

DIAGNOSTIC TROUBLE CODE P1138

SAE-DTC	DTC text	Corrective action
P1138	Bank 2, mixture adaptation (add.) System too lean	Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING . Check intake air system for leaks (false air). See CHECKING INTAKE SYSTEM FOR LEAKS (UNMETERED AIR) . Check Fuel Pump (FP). See FUEL PUMP (FP), ELECTRICAL TESTING . Check exhaust system for proper seal. See EXHAUST SYSTEM, CHECKING FOR PROPER SEAL . Check Secondary Air Injection (AIR) system for proper seal. See CHECKING SECONDARY AIR SYSTEM FOR PROPER SEAL . Check vacuum lines for proper seal

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

DIAGNOSTIC TROUBLE CODE P1139-P1140

SAE-DTC	DTC text	Corrective action
P1139	Bank 2, mixture adaptation (add.) System too rich	Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check fuel injectors. See FUEL INJECTORS, CHECKING . Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING . Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. See CHECKING EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE -N80- .
P1140	Bank 2, sensor 2 Internal resistance too high	Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING .

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

DIAGNOSTIC TROUBLE CODE P1141-P1199

SAE-DTC	DTC text	Corrective action
P1141	Load detection Implausible value	Check whether the correct throttle valve control module is installed. Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR -G70-, CHECKING .
P1143	Load detection Limit exceeded
P1171	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Implausible signal	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE -J338-, CHECKING .
P1172	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Signal too small
P1173	Angle sensor -2- for throttle drive (power accelerator actuation) -G188- Signal too large
P1176	Bank 1, oxygen sensor correction behind catalytic converter Control limit reached	Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEFORE CATALYTIC CONVERTER, CHECKING . Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSORS AND OXYGEN SENSOR CONTROL BEHIND CATALYTIC CONVERTER, CHECKING . Check catalytic conversion. See TEST-ID 01: CATALYTIC CONVERTER .
P1177	Bank 2, oxygen sensor correction behind catalytic converter Control limit reached
P1198	Bank 1, sensor 2 Heating circuit, electrical malfunction	Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P1199	Bank 2, sensor 2 Heating circuit, electrical malfunction

DIAGNOSTIC TROUBLE CODE P1201-P1208

SAE-DTC	DTC text	Corrective action
P1201	Fuel injector cyl. 1 -N30- Electrical malfunction in circuit	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1202	Fuel injector cyl. 2 -N31- Electrical malfunction in circuit
P1203	Fuel injector cyl. 3 -N32- Electrical malfunction in circuit
P1204	Fuel injector cyl. 4 -N33- Electrical malfunction in circuit
P1205	Fuel injector cyl. 5 -N83- Electrical malfunction in circuit
P1206	Fuel injector cyl. 6 -N84- Electrical malfunction in circuit
P1207	Fuel injector cyl. 7 -N85- Electrical malfunction in circuit
P1208	Fuel injector cyl. 8 -N86- Electrical malfunction in circuit

DIAGNOSTIC TROUBLE CODE P1213-P1220

SAE-DTC	DTC text	Corrective action
P1213	Fuel injector cyl. 1 -N30- Short circuit to B+	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1214	Fuel injector cyl. 2 -N31- Short circuit to B+
P1215	Fuel injector cyl. 3 -N32- Short circuit to B+
P1216	Fuel injector cyl. 4 -N33- Short circuit to B+
P1217	Fuel injector cyl. 5 -N83- Short circuit to B+
P1218	Fuel injector cyl. 6 -N84- Short circuit to B+
P1219	Fuel injector cyl. 7 -N85- Short circuit to B+
P1220	Fuel injector cyl. 8 -N86- Short circuit to B+

DIAGNOSTIC TROUBLE CODE P1225-P1232

SAE-DTC	DTC text	Corrective action
P1225	Fuel injector cyl. 1 -N30- Short circuit to Ground (GND)	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1226	Fuel injector cyl. 2 -N31- Short circuit to Ground (GND)
P1227	Fuel injector cyl. 3 -N32- Short circuit to Ground (GND)
P1228	Fuel injector cyl. 4 -N33- Short circuit to Ground (GND)
P1229	Fuel injector cyl. 5 -N83- Short circuit to Ground (GND)
P1230	Fuel injector cyl. 6 -N84- Short circuit to Ground (GND)
P1231	Fuel injector cyl. 7 -N85- Short circuit to Ground (GND)
P1232	Fuel injector cyl. 8 -N86- Short circuit to Ground (GND)

DIAGNOSTIC TROUBLE CODE P1237-P1244

SAE-DTC	DTC text	Corrective action
P1237	Fuel injector cyl. 1 -N30- Open circuit	Check fuel injectors. See FUEL INJECTORS, CHECKING .
P1238	Fuel injector cyl. 2 -N31- Open circuit
P1239	Fuel injector cyl. 3 -N32- Open circuit
P1240	Fuel injector cyl. 4 -N33- Open circuit
P1241	Fuel injector cyl. 5 -N83- Open circuit
P1242	Fuel injector cyl. 6 -N84- Open circuit
P1243	Fuel injector cyl. 7 -N85- Open circuit
P1244	Fuel injector cyl. 8 -N86- Open circuit

DIAGNOSTIC TROUBLE CODE P1630-P1639

SAE-DTC	DTC text	Corrective action
P1630	Throttle Position (TP) sensor -G79- Signal too small	Check Throttle Position (TP) sensor. See THROTTLE POSITION (TP) SENSOR, CHECKING .
P1631	Throttle Position (TP) sensor -G79- Signal too large
P1633	Sender -2- for accelerator pedal position -G185- Signal too small
P1634	Sender -2- for accelerator pedal position -G185- Signal too large
P1639	Throttle Position (TP) Sensor -G79- / Sender -2- for accelerator pedal position -G185- Implausible signal