B3718
Front Wiper Relay Drive Circuit High
B3718 is an OBD-II diagnostic trouble code meaning: Front Wiper Relay Drive Circuit High. Common causes: faulty wiper relay, damaged wiring harness. Estimated repair cost: $22–56.
Symptoms
- Front windshield wipers not working
- Intermittent wiper operation
- The wipers turn on randomly
Causes
- Faulty wiper relay
- Damaged wiring harness
- Short circuit in the circuit
- Malfunction of the windshield wiper control unit
How to Fix
- Check the condition of the wiper relay and replace if necessary.
- Inspect the wiring harness for damage and corrosion.
- Check the voltage in the circuit using a multimeter
- Test the windshield wiper control unit
Related codes
Error B3718 by Vehicle Brand
FAQ
What does the B3718 code mean?
B3718 is an OBD-II diagnostic trouble code that indicates: Front Wiper Relay Drive Circuit High
What causes a B3718 error code?
The most common causes of B3718 include: Faulty wiper relay; Damaged wiring harness; Short circuit in the circuit; Malfunction of the windshield wiper control unit.
How do I fix a B3718 diagnostic trouble code?
To fix B3718: Check the condition of the wiper relay and replace if necessary.. Inspect the wiring harness for damage and corrosion.. Check the voltage in the circuit using a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3718?
Limited driving only, diagnose soon
How much does it cost to fix B3718?
The estimated repair cost for B3718 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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