B3718

Front Wiper Relay Drive Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

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

B3717 B3719 B3720