B0152
Driver Buckle Switch Circuit Malfunction
The driver seatbelt buckle switch circuit, used to detect whether the belt is fastened, is malfunctioning. The seatbelt warning may be permanently on or off.
- 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.
- Buckle switch worn or stuckCommon
- Wire break under seatPossible
Parts involved
- Driver Buckle Switch
- Body Control Module
B0152 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.