B3477

Left Rear Window Express Up or Down Circuit Low

Severity

✅ Low

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Automatic raising or lowering of the left rear window does not work
Intermittent operation of the window regulator
Glass moves slower than usual

Causes

Open or short circuit in wiring harness
Window motor malfunction
Problems with the relay or control unit
Corrosion of contacts or connectors

How to Fix

Check wiring harness for damage
Check the voltage to the window lift motor
Inspect contacts and connectors for corrosion
Check the operation of the relay and control unit
If necessary, replace the window motor or relay

Related codes

B3478 B3479 B3480