B0950
Heated Rear Window Circuit
A fault has been detected in the heated rear window circuit. Defrost may not function.
- 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.
- Broken heating grid lineCommon
- Rear defrost relay failedPossible
Parts involved
- Rear Window Heating Element
- Rear Defrost Relay
- Body Control Module
B0950 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.