B3875
Windshield Wiper High Speed Relay Circuit
B3875 is an OBD-II diagnostic trouble code meaning: Windshield Wiper High Speed Relay Circuit. Common causes: faulty high speed relay, open or short circuit in wiring harness. Estimated repair cost: $22–89.
Symptoms
- Lack of high speed wipers
- Wipers only work at low speed
- Relay clicks without activating wipers
Causes
- Faulty high speed relay
- Open or short circuit in wiring harness
- Poor contact in connectors
- Problems with the ECU
How to Fix
- Check the wiper circuit fuse
- Test High Speed Relay
- Inspect the wiring harness for damage
- Check contacts in connectors
- Replace relay or wiring harness if necessary
Related codes
Error B3875 by Vehicle Brand
FAQ
What does the B3875 code mean?
B3875 is an OBD-II diagnostic trouble code that indicates: Windshield Wiper High Speed Relay Circuit
What causes a B3875 error code?
The most common causes of B3875 include: Faulty high speed relay; Open or short circuit in wiring harness; Poor contact in connectors; Problems with the ECU.
How do I fix a B3875 diagnostic trouble code?
To fix B3875: Check the wiper circuit fuse. Test High Speed Relay. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3875?
Limited driving only, diagnose soon
How much does it cost to fix B3875?
The estimated repair cost for B3875 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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