Generic fault codes
9415 Generic OBD-II fault codes: what each one means, and how to track it down.
How to read a code
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- 4
- AreaAuxiliary emission controls
- 20
- FaultThe specific fault in that area
Read the code
Note every stored and pending code your scanner shows, such as P0420.
Find it
Search by code or by words. For a manufacturer code (P1, B1, C1, U1) pick your make: its meaning differs by make.
Open the code
Its page explains the symptoms, likely causes, the checks to run and the fixes.
- P1684Generic · PowertrainMetering Oil Pump Position Sensor Circuit Malfunction
- P1800Generic · PowertrainTransmission Clutch Interlock Safety Switch Circuit Failure
- P1870Generic · PowertrainTransmission Component Slipping/ Transmission Mechanical Transfer Case 4x4 Switch Circuit Failure
- P1911Generic · PowertrainVFS B Pressure Output Failed Low
- P2000Generic · PowertrainNOx Adsorber Efficiency Below Threshold Bank 1
- P2001Generic · PowertrainNOx Adsorber Efficiency Below Threshold Bank 2
- P2002Generic · PowertrainParticulate Filter Efficiency Below Threshold Bank 1
- P2003Generic · PowertrainParticulate Filter Efficiency Below Threshold Bank 2
- P2004Generic · PowertrainIntake Manifold Runner Control Stuck Open Bank 1
- P2005Generic · PowertrainIntake Manifold Runner Control Stuck Open Bank 2
- P2006Generic · PowertrainIntake Manifold Runner Control Stuck Closed Bank 1
- P2007Generic · PowertrainIntake Manifold Runner Control Stuck Closed Bank 2
- P2008Generic · PowertrainIntake Manifold Runner Control Circuit/Open Bank 1
- P2009Generic · PowertrainIntake Manifold Runner Control Circuit Low Bank 1
- P200AGeneric · PowertrainIntake Manifold Runner Performance Bank 1
- P200BGeneric · PowertrainIntake Manifold Runner Performance Bank 2
- P200CGeneric · PowertrainParticulate Filter Over Temperature Bank 1
- P200DGeneric · PowertrainParticulate Filter Over Temperature Bank 2
- P200EGeneric · PowertrainCatalyst System Over Temperature Bank 1
- P200FGeneric · PowertrainCatalyst System Over Temperature Bank 2
- P2010Generic · PowertrainIntake Manifold Runner Control Circuit High Bank 1
- P2011Generic · PowertrainIntake Manifold Runner Control Circuit/Open Bank 2
- P2012Generic · PowertrainIntake Manifold Runner Control Circuit Low Bank 2
- P2013Generic · PowertrainIntake Manifold Runner Control Circuit High Bank 2
- P2014Generic · PowertrainIntake Manifold Runner Position Sensor/Switch Circuit Bank 1
- P2015Generic · PowertrainIntake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 1
- P2016Generic · PowertrainIntake Manifold Runner Position Sensor/Switch Circuit Low Bank 1
- P2017Generic · PowertrainIntake Manifold Runner Position Sensor/Switch Circuit High Bank 1
- P2018Generic · PowertrainIntake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank 1
- P2019Generic · PowertrainIntake Manifold Runner Position Sensor/Switch Circuit Bank 2