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.

Free on OBD DashX

Looking for real-world repair data?

OBD DashX shows which problems come with each code, how often they show up in other vehicles, and how to fix them — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
Browse codes on OBD DashX No sign-up needed · available in 10 languages

Fault codes

P0196 Engine Oil Temperature Sensor Range/Performance
Generic Fuel and Air Metering High severity
P0197 Engine Oil Temperature Sensor Low
Generic Fuel and Air Metering High severity
P0198 Engine Oil Temperature Sensor High
Generic Fuel and Air Metering High severity
P0201 Injector Circuit Malfunction Cylinder 1
Generic Injector Circuit High severity
P0217 Engine Overheat Condition
Generic Injector Circuit High severity
P0219 Engine Overspeed Condition
Generic Injector Circuit High severity
P0221 Throttle/Petal Position Sensor/Switch B Circuit Range/Performance Problem
Generic Injector Circuit High severity
P0222 Throttle/Petal Position Sensor/Switch B Circuit Low Input
Generic Injector Circuit High severity
P0224 Throttle/Petal Position Sensor/Switch B Circuit Intermittent
Generic Injector Circuit High severity
P0225 Throttle/Petal Position Sensor/Switch C Circuit Malfunction
Generic Injector Circuit High severity
P0227 Throttle/Petal Position Sensor/Switch C Circuit Low Input
Generic Injector Circuit High severity
P0228 Throttle/Petal Position Sensor/Switch C Circuit High Input
Generic Injector Circuit High severity
P0230 Fuel Pump Primary Circuit Malfunction
Generic Injector Circuit High severity
P0231 Fuel Pump Secondary Circuit Low
Generic Injector Circuit High severity
P0232 Fuel Pump Secondary Circuit High
Generic Injector Circuit High severity

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.