B3452

Left Rear Window Down Switch Circuit Low

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–111 (est.)

Symptoms

Left rear window roll down does not work
Intermittent operation of the window regulator
The power window system malfunction indicator lights up

Causes

Short circuit to ground in wiring harness
Open circuit in power supply or signal wire
Window down switch malfunction
Oxidation of contacts in connectors
Problems with the power window control unit

How to Fix

Check the power window circuit fuse
Visually inspect the wiring harness for damage.
Check the resistance in the switch circuit
Diagnose the operation of the power window control unit
Replace the faulty switch or restore the integrity of the harness

Related codes

B3450 B3451 B3453