OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1287
Switching Solenoid for Air Assisted Injection Valves Bank 2 Control Circuit Electrical
BMW
Auxiliary Emissions Control
Medium severity
P1289
Switching Solenoid for Air Assisted Injection Valves Bank 2 Control Circuit Signal High
BMW
Auxiliary Emissions Control
Medium severity
P1290
Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
BMW
Injector Circuit
High severity
P1299
Cylinder Head Temperature Sensor Detected Engine Overheating Condition
BMW
Injector Circuit
High severity
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