B0530
Driver Door Lock Actuator Circuit
The body control module has detected a fault in the driver door lock actuator circuit. Central locking may not work for the driver door.
- 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.
- Lock actuator motor failedCommon
- Wire break in door harnessPossible
- Corroded door connectorPossible
Parts involved
- Driver Door Lock Actuator
- Body Control Module
- Driver Door Module
B0530 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.