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
P012A
Turbocharger/Supercharger Inlet Pressure Sensor Circuit Downstream of throttle valve
Generic
Injector Circuit
High severity
P012C
Turbocharger/Supercharger Inlet Pressure Sensor Circuit Low Downstream of throttle valve
Generic
Injector Circuit
High severity
P012D
Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Downstream of throttle valve
Generic
Injector Circuit
High severity
P013A
Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P013C
Oxygen Sensor Slow Response Rich to Lean Bank 2 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P013D
Oxygen Sensor Slow Response Lean to Rich Bank 2 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P013F
Oxygen Sensor Delayed Response Lean to Rich Bank 1 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P014A
Oxygen Sensor Delayed Response Rich to Lean Bank 2 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P014C
Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 1
Generic
Fuel and Air Metering
Medium severity
P014E
Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
Generic
Fuel and Air Metering
Medium severity
P015A
Oxygen Sensor Delayed Response Rich to Lean Bank 1 Sensor 1
Generic
Fuel and Air Metering
Medium severity
P015B
Oxygen Sensor Delayed Response Lean to Rich Bank 1 Sensor 1
Generic
Fuel and Air Metering
Medium severity
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