Check-engine codes
What does my check-engine code mean?
Plain-English explanations for OBD-II trouble codes: what the code means, the most likely causes, symptoms, and how much labour a repair usually takes.
B0 codes · Body
- B0610Mirror Heater Circuit
- B0700Sunroof Open/Close Circuit
- B0710Sunroof Position Sensor Circuit
- B0800Headlamp Switch Circuit
- B0810Left Headlamp Low Beam Circuit
- B0811Right Headlamp Low Beam Circuit
- B0820Left Headlamp High Beam Circuit
- B0821Right Headlamp High Beam Circuit
- B0830Left Front Turn Signal Circuit
- B0831Right Front Turn Signal Circuit
- B0840Left Rear Turn Signal Circuit
- B0841Right Rear Turn Signal Circuit
- B0850Left Brake Lamp Circuit
- B0851Right Brake Lamp Circuit
- B0860License Plate Lamp Circuit
- B0900Wiper Motor Front Circuit
- B0910Wiper Motor Rear Circuit
- B0920Washer Pump Circuit
- B0950Heated Rear Window Circuit
- B0960Horn Relay Circuit
- B0970Interior Light Circuit
- B0980Ignition Switch Run/Start Position Circuit
- B0990Body Control Module Internal Fault
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.