Body
generic / SAE
B0290
Rear Defrost Switch Circuit
The body control module has detected a fault in the rear window defroster switch circuit. The switch may be stuck or its signal does not reach the module — the rear defroster cannot be activated.
SystemBody
Typegeneric / SAE
GroupB0
Range / number2 / 90
Possible causes
- Defrost switch failed high
- Wiring or connector fault medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–200 €
- Estimated time: 0.3–1.5 h
- Component: rear defrost switch
- Component: body control module
Sources
References
sae:J2012