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
P1105
Differential Pressure Sensor Intake Manifold Plausibility
BMW
Fuel and Air Metering
High severity
P1116
Mass Or Volume Air Flow Circuit Range/Performance Problem Bank 2
BMW
Fuel and Air Metering
High severity
P1124
Differential Pressure Sensor Intake Manifold Adaptation
BMW
Fuel and Air Metering
High severity
P1135
O2 Sensor Heater Circuit Low Voltage Bank 1 Sensor 1
BMW
Fuel and Air Metering
Medium severity
P1138
O2 Sensor Heater Circuit Low Voltage Bank 1 Sensor 2
BMW
Fuel and Air Metering
Medium severity
P1145
Solenoid Valve Running Losses Control Circuit Electrical
BMW
Fuel and Air Metering
High severity
P1146
Heated Oxygen Sensor 2 Minimum Voltage Monitoring Bank 1
BMW
Fuel and Air Metering
Medium severity
P1150
Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2
BMW
Fuel and Air Metering
Medium severity
P1155
O2 Sensor Heater Circuit Intermittent Bank 2 Sensor 2
BMW
Fuel and Air Metering
Medium severity
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