B1437
Wiper Hi/Low Speed Relay Coil Circuit Short To Ground
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)
Symptoms
- Windshield wipers not working
- Windshield wipers only operate at one speed
- Windshield wipers turn on spontaneously
Causes
- Short circuit to ground in wiring harness
- Faulty wiper relay
- Wiring damage
- Problems in the control unit
How to Fix
- Check the windshield wiper relay for damage.
- Inspect the wiring harness for damage or short circuits.
- Check the relay coil circuit using a multimeter
- If necessary, replace the relay or repair the wiring