BMW >> BMW Check Engine Lamp

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.

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1 Comment
most voted
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sylvester beason
6 years ago

what is the difference between o2s 1 and o2s control range limit