B3145

Passenger Door Unlock Switch Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

Passenger door unlock button does not work
The door will not unlock from the central locking
Central locking indicator flashing

Causes

Open or short circuit in the button circuit
Door unlock button malfunction
Wiring harness damage
Body Control Module (BCM) Problems

How to Fix

Check the integrity of the unlock button circuit
Test the button for sticking or damage
Inspect the wiring harness for damage
Check contacts and connectors for oxidation
If necessary, replace the button or wiring harness
Reset the error and check the system operation

Related codes

B3146 B3147 B3148