B0239
License Plate Lamp Circuit
The body control module has detected a fault in the license plate lamp circuit. The lamp does not match the commanded state.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: easy
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.
- Bulb burned outCommon
- Wiring open or socket corrodedPossible
Parts involved
- License Plate Lamp
- Body Wiring Harness
B0239 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.