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
P011B
Engine Coolant Temperature/Intake Air Temperature Correlation
Generic
Fuel and Air Metering
High severity
P011D
Charge Air Temperature/Intake Air Temperature Correlation Bank 2
Generic
Vehicle Speed and Idle Control System
Low severity
P011E
Engine Coolant Temperature 1 / Ambient Air Temperature Correlation
Generic
Fuel and Air Metering
High severity
P012B
Turbocharger/Supercharger Inlet Pressure Sensor Circuit Range/Performance Downstream of throttle valve
Generic
Injector Circuit
High severity
P012E
Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic Downstream of throttle valve
Generic
Injector Circuit
High severity
P013B
Oxygen Sensor Slow Response Lean to Rich Bank 1 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P013E
Oxygen Sensor Delayed Response Rich to Lean Bank 1 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P014B
Oxygen Sensor Delayed Response Lean to Rich Bank 2 Sensor 2
Generic
Fuel and Air Metering
Medium severity
P014F
Oxygen Sensor Slow Response Lean To Rich Bank 2 sensor 1
Generic
Fuel and Air Metering
Medium severity
P015C
Oxygen Sensor Delayed Response Rich to Lean Bank 2 Sensor 1
Generic
Fuel and Air Metering
Medium severity
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