B0210
Rain Sensor Module
The body control module has detected a fault in the rain sensor module on the windshield. Automatic wiper activation based on moisture detection is no longer available.
- 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.
- Rain sensor failed or detachedCommon
- Windshield replaced without sensor recodingPossible
Parts involved
- Rain Sensor
- Body Control Module
- Windshield
B0210 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.