OBD2 code B0900: Wiper Motor Front Circuit
A fault has been detected in the front wiper motor circuit.
Detected Root Component
Body Component
Observed Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Possible Causes
- Wiper motor failure
- Motor overload from frozen wipers
- Wiper relay failure
Tools Required
Interactive Diagnostic
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Diagnostic Result
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Parts likely to be the cause (Boîtier fusibles / BSI)
Boîtier fusibles / BSI
Photo d'illustration : Boîtier fusibles / BSI
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Frequently asked questions about code B0900
What does code B0900 mean? ▾
OBD2 code B0900: Wiper Motor Front Circuit. A fault has been detected in the front wiper motor circuit.
What are the symptoms of code B0900? ▾
Code B0900 may cause: Warning light or symbol related to the affected system, Comfort or safety function impaired. The intensity of these symptoms varies depending on the vehicle and driving conditions.
What causes code B0900? ▾
The most common causes of code B0900 are: Wiper motor failure, Motor overload from frozen wipers, Wiper relay failure. A proper OBD2 diagnostic will pinpoint the exact cause.
Is it serious to drive with code B0900? ▾
Code B0900 is generally benign (Info). It does not prevent driving, but a check helps rule out related issues.
How do I fix code B0900? ▾
Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Wiper motor failure, Motor overload from frozen wipers, Wiper relay failure. Difficulty: Easy · Estimated time: 30-60min.