B320B

Rear Door Window Motor

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–111 (est.)

Symptoms

Rear window regulator does not work
Intermittent operation of the window regulator
Relay clicks without glass movement
Power window circuit fuse blown

Causes

Window lift motor malfunction
Open or shorted wiring harness
Oxidation of contacts
Body control module problems
Mechanical jamming of glass guides

How to Fix

Check the fuse of the corresponding circuit
Diagnose power supply to the electric motor
Check the integrity of the wiring harness
Test engine operation directly
Clean and lubricate glass guides
Replace the faulty electric motor if necessary

Related codes

B320A B320C B320D