B3147

Right Front Unlock Switch Circuit Low

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$22–111 (est.)

Symptoms

The right front door cannot be unlocked using the switch
Incorrect operation of the central locking
The passive safety system fault indicator is on

Causes

Open or short circuit in wiring harness
Poor contact in switch connectors
Unlock switch malfunction
Problems with the door control unit

How to Fix

Check the integrity of the wiring harness to the switch
Inspect and clean the contacts in the connectors
Check the functionality of the switch
Test the door control unit
Replace faulty components if necessary

Related codes

B3145 B3146 B3148