GM/Opel fault codes
GM and Opel P1 codes often relate to the ignition system, sensors and communication between control modules. The same P1 code means something else on another make. Check the make first.
C0035Left front wheel speed sensor: circuit faultC0040Right front wheel speed sensor: circuit faultC0045Left rear wheel speed sensor: circuit faultC0050Right rear wheel speed sensor: circuit faultC0110ABS pump motor circuit faultC0121ABS valve relay circuit faultC0242Engine computer reported a traction control faultC0265ABS pump motor relay circuit openC0561System disabled, information storedC0710Steering position signal faultP1134Oxygen sensor transition time ratio wrong (bank 1, sensor 1)P1345Crankshaft and camshaft positions don't matchP1380Misfire detection disabled, rough road data unavailableP1416Secondary air valve fault (bank 2)P1631Immobiliser password incorrect
Make-specific codes
Want a definite answer?
Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong. Repair price depends on the work involved, generally €45 per hour.