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
P0797 Pressure Control Solenoid C Stuck On
Generic Transmission System High severity
P0799 Pressure Control Solenoid C Intermittent
Generic Transmission System High severity
P0800 Transfer Case Control System (MIL Request)
Generic Transmission System High severity
P0802 Transmission Control Module MIL Request Circuit
Generic Transmission System High severity
P0803 1-4 Upshift Skip Shift Solenoid Control Circuit Malfunction
Generic Transmission System High severity
P0805 Clutch Position Sensor Circuit
Generic Transmission System High severity
P0806 Clutch Position Sensor Circuit Range/Performance
Generic Transmission System High severity
P0807 Clutch Position Sensor Circuit Low
Generic Transmission System High severity
P0809 Clutch Position Sensor Circuit Intermittent
Generic Transmission System High severity
P0810 Clutch Position Control Error
Generic Transmission System High severity
P0811 Excessive Clutch Slippage
Generic Transmission System High severity
U28E6 /codes/dtcs/u28e6
Communication Network System
P0820 Gear Lever X-Y Position Sensor Circuit
Generic Transmission System High severity
P0821 Gear Lever X Position Circuit
Generic Transmission System High severity
P0822 Gear Lever Y Position Circuit
Generic Transmission System High severity

Search fault codes

Scan your own car

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