OBD-II code · Body
B0900 Wiper Motor Front Circuit
A fault has been detected in the front wiper motor circuit.
Is it safe to drive with B0900?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWiper motor failure
- PossibleMotor overload from frozen wipers
- PossibleWiper relay failure
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Front Wiper Motor, Wiper Relay, Body Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.