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 25–48 of 53 codes
P0641
Sensor Reference Voltage "A" Circuit/Open
P0642
Sensor Reference Voltage "A" Circuit Low
P0643
Sensor Reference Voltage "A" Circuit High
P0645
A/C Clutch Relay Control Circuit
P0650
Malfunction Indicator Lamp (MIL) Control Circuit
P0651
Sensor Reference Voltage "B" Circuit/Open
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
P1260
THEFT Detected - Vehicle Immobilized
P1297
Electrical Load Detector Circuit Low Voltage
P1298
Electrical Load Detector Circuit High Voltage
P1500
Alternator FR Terminal Circuit
P1520
Stop Lamp Switch Signal Malfunction
P1600
ECM BATT Malfunction
P1610
NATS Lock Mode Detected
P1611
NATS ID Discord, IMMU-ECM
P1612
NATS Chain of ECM-IMMU
P1614
NATS Chain of IMMU-Key
P1615
NATS Difference of Key
P1626
Theft Deterrent System Fuel Enable Signal Not Received
P1626
Theft Deterrent System Fuel Enable Signal Not Received
P1631
Theft Deterrent Fuel Enable Signal Not Correct