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
P1444
Secondary Air Injection System Switching Valve Stuck Open Bank 2
Toyota
Auxiliary Emissions Control
Medium severity
P1027
Intake Manifold Air Control Solenoid Short To Ground
Volkswagen
Fuel and Air Metering
High severity
P1100
HO2S12 Sensor Circuit Voltage Too Low Air Leak
Volkswagen
Fuel and Air Metering
Medium severity
P1102
HO2S Heating Circuit Bank 1 Sensor 1 Short to B
Volkswagen
Fuel and Air Metering
Medium severity
P1113
HO2S Sensor Heater Resistance Too High Bank 1 Sensor 1
Volkswagen
Fuel and Air Metering
Medium severity
P1116
HO2S Sensor Heater Circuit Open Bank 1 Sensor 1
Volkswagen
Fuel and Air Metering
Medium severity
P1184
Linear Oxygen Sensor Common Ground Open Circuit
Volkswagen
Fuel and Air Metering
Medium severity
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