B3922

Front Wiper Function Select Circuit

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The wipers don't work
The wipers work in one mode
The wipers turn on spontaneously

Causes

Blown fuse
Open or short circuit in wiring harness
Wiper motor malfunction
Problems with the wiper relay
Body Control Module (BCM) Malfunction

How to Fix

Check the wiper circuit fuse
Inspect the wiring harness for damage
Check the wiper motor
Diagnose the wiper relay
Check the operation of the body control module (BCM)

Related codes

B3921 B3923 U0121