B1548

Power Window Master Circuit Open

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–167 (est.)

Symptoms

Power windows don't work
Lack of response to pressing control buttons
Blown power window circuit fuse

Causes

Broken wires in the harness
Oxidation of contacts in connectors
Main control unit malfunction
Fuse damage
Short circuit in the circuit

How to Fix

Check the power window circuit fuse
Visually inspect the wiring harness for damage.
Test the control circuit with a multimeter
Check the contacts in the connectors for oxidation
If necessary, replace the main control module

Related codes

B1545 B1546 B1547