OBD-II code · Body
B0502 Left Rear Power Window Circuit Malfunction
A fault has been detected in the left rear power window circuit.
Is it safe to drive with B0502?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRear window motor failed
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–3.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Left Rear Window Motor, Rear Door Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.