B3287

Left Rear Window Express Up or Down Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–167 (est.)

Symptoms

Automatic raising/lowering of the left rear window does not work
The glass moves jerkily or slower than usual
Intermittent operation of the window regulator

Causes

Open or shorted wiring harness
Oxidation of contacts in connectors
Window lift motor malfunction
Problems with the relay or control unit
Low voltage on-board network

How to Fix

Check the condition of the wiring harness and contacts in the door transition
Diagnose the voltage on the electric motor
Check the performance of the electric motor
Test the power window control unit
If necessary, replace faulty components

Related codes

B3286 B3288 B3289 U0155