B0500
Driver Power Window Circuit Malfunction
The driver power window motor or switch circuit has reported a fault. The window may not operate.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Window motor worn or seizedCommon
- Master window switch failurePossible
- Window regulator brokenPossible
Parts involved
- Driver Window Motor
- Driver Window Switch
- Door Module
B0500 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.