B3821

Left Rear Window Relay Power Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

Rear left window does not work
No response to control button
Relay clicks without glass movement

Causes

Open or short circuit in wiring harness
Power window relay malfunction
Fuse problems
Defective window lift motor

How to Fix

Check the condition of the circuit fuse
Inspect the wiring harness for damage
Check the operation of the power window relay
If necessary, replace the relay or motor

Related codes

B3822 B3820 B3819