B0960
Horn Relay Circuit
A fault has been detected in the horn relay control circuit.
- 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.
- Horn relay failedCommon
- Horn button (clock spring) faultPossible
- Horn unit failedPossible
Parts involved
- Horn Relay
- Horn
- Body Control Module
B0960 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.