BMW 5251 Service Manual page 981

OBD-21
On-Board ~ i a ~ n o s t i c s l
Engine diagnostic trouble codes: M54 engine (continued)
P-code BMW-FC Explanation
I I
PI314
/
202
/
Fuel Mixture Deviation Detected with Low Fuel
I I
0 2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2)
0 2 Sensor Activity Check Signal Too High (Banlc 1 Sensor 2)
0 2 Sensor Activity Check Signal Too Low (Bank 1 Sensor 2)
0 2 Sensor Activity Check Signal Too High (Banlc 2 Sensor 2)
0 2 Sensor Activity Check Signal Too Low (Bank 2 Sensor 2)
0 2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1)
0 2 Sensor Heater Circuit Low Voltage (Bank 2 Sensor 1)
0 2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 1)
0 2 Sensor Heater Circuit Signal Intermittent (Banlc 2 Sensor 2)
0 2 Sensor Heater Circuit Low Voltage (Bank 2 Sensor 2)
0 2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 2)
Ambient Pressure Sensor Variant Recognition Value in Boot Range Implausible
Ambient Pressure Sensor Variant Recognition Error Value Stored in Boot Range
Ambient Pressure Sensor Variant Recognition Learning Failed
Pre Catalyst Fuel Trim System (Bank 1)
Pre Catalyst Fuel Trim System (Bank 2)
PI139
PI143
PI144
PI149
PI150
PI151
PI152
PI153
PI155
P1156
PI157
PI171
PI172
PI173
P I 190
PI191
79
21 5
21 5
21 6
21 6
55
55
55
61
61
61
196
196
196
235
236
Pedal Position Sensor 2 Low Input PI222
-~~~~~~~~~
PI314
PI314
PI314
PI342
-
PI343
P I 344
PI192
PI193
PI223 / I 1 1
I
Pedal Position Sensor 2 High Input
111
P I 345
P I 346
P I 347
PI348
P I 349
PI350
PI351
PI352
PI353
225 Post Catalyst Fuel Trim System (Bank 1)
226 Post Catalyst Fuel Trim Svstem (Bank 2)
203
227
228
238
238
239
Fuel Mixture Deviation Detected with Low Fuel
Fuel Mixture Deviation Detected with Low Fuel
Fuel Mixture Deviation Detected with Low Fuel
Misfire During Start Cylinder 1
Misfire Cylinder 1 with Fuel Cut-Off
Misfire Durina Start Cylinder 2
239
240
240
241
241
242
242
243
243
-
Misfire Cylinder 2 with Fuel Cut-Off
Misfire During Start Cylinder 3
Misfire Cylinder 3 with Fuel Cut-Off
Misfire During Start Cylinder 4
Misfire Cylinder 4 with Fuel Cut-Off
Misfire during Start Cylinder 5
Misfire Cylinder 5 with Fuel Cut-Off
Misfire during Start Cylinder 6
Misfire Cylinder 6 with Fuel Cut-Off