Car Fault Codes
OBD-II trouble codes explained: meaning, causes, symptoms, fixes and typical repair cost.
Category
All
Fuel & air
Ignition & misfire
Emissions & exhaust
Cooling & lubrication
Speed & idle
Engine computer & electrical
Transmission
Hybrid & EV
Network
Body
Chassis & brakes
Showing 25–32 of 32 codes
P0685
ECM/PCM Power Relay Control Circuit/Open
P0686
ECM/PCM Power Relay Control Circuit Low
P0687
ECM/PCM Power Relay Control Circuit High
P0688
ECM/PCM Power Relay Sense Circuit/Open
P0691
Fan 1 Control Circuit Low
P0692
Fan 1 Control Circuit High
P0693
Fan 2 Control Circuit Low
P0694
Fan 2 Control Circuit High