BMW BMW Check Engine Lamp Trouble Code Info

Check Engine Lamp

 

M1.2, M1.3 & M1.7{1}

M3.1

M3.3

M3.3.1

 

1st ECU

2nd ECU

 

1211

2211

1211

1211

1211

ECM

1212

O2S No. 2

1213

O2S No. 2 Control Range Limit

1215

2215

1215

1215

1215

MAF Sensor

1216

1216

1216

1216

TP Sensor

1221

2221

1221

1221

1221

O2S No. 1

1222

2222

1222

1222

1222

O2S No. 1 Control Range Limit

1223

2223

1223

1223

1223

ECT

1224

2224

1224

1224

1224

IAT

1231

2231

1231

1231

1231

Battery Voltage

1232

TP Sensor (Idle)

1233

TP Sensor (WOT)

1251

2251

Fuel Injection Valves (Group 1)

1252

2252

Fuel Injection Valves (Group 2)

1251–1256

1251–1256

1251–1256

Fuel Injection Valve Cylinder 1–6

1257–1258

Fuel Injection Valve Cylinder 7–8

1261

22261

1261

1261

1261

Fuel Pump Relay

1262

1262

1262

1262

ISC Valve

1263

2263

1263

1263

1263

Purge Valve

1264

2264

1264

1264

1264

O2S Heating Relay

1267

1267

Air Pump

1283

1283

1283

Undefined Fuel Injection Valve

1444

2444

1444

1444

1444

No Failure

{1}—On DME M1.7, DTCs beginning with ‘‘1’’ affect cylinders 1–6. DTCs beginning with ‘‘2’’ affect cylinders 7–12.