B3542

Left Front/Driver Window Obstruction Sensor Control Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Automatic window down doesn't work
Glass stops at the slightest resistance
The glass does not respond to up/down commands
Power window indicator flashing

Causes

Open or short circuit in wiring harness
Obstacle sensor malfunction
Problems with the power window control unit
Dirty or damaged glass guides
Oxidation of contacts

How to Fix

Check the integrity of the wiring harness to the sensor
Clean sensor contacts and connectors
Check the resistance of the obstacle sensor
Clean and lubricate glass guides
If necessary, replace the sensor or control unit
Reset the error and check the system operation

Related codes

B3540 B3541 B3543