B3377

Left Front Window Up Switch Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

The left front window doesn't work
Intermittent operation of the window regulator
The malfunction indicator on the instrument panel lights up

Causes

Wiring harness damage
Window up button malfunction
Poor contact in the connector
Short circuit to ground
Malfunction of the power window control unit

How to Fix

Check wiring harness for damage
Check the window up button for functionality.
Clean contacts in connectors
Check continuity with a multimeter
If necessary, replace the button or wiring harness

Related codes

B3378 B3379 B3380