B3715

Windshield Wiper Relay Drive Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Windshield wipers don't work
Intermittent wiper operation
The wipers turn on randomly
No response to switch

Causes

Open or short circuit in wiring harness
Faulty wiper relay
Problems with the control unit
Contact corrosion
Faulty wiper switch

How to Fix

Check the windshield wiper circuit fuse
Inspect the wiring harness for damage
Check the operation of the windshield wiper relay
Test the wiper switch
Replace relay or switch if necessary
Check contacts for corrosion

Related codes

B3710 B3716 B3720