B3848

Interior Door Handle Switch Circuit

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The door does not open when the inside handle is pressed
Central locking does not work correctly
The security system malfunction indicator is on

Causes

Open or short circuit in wiring harness
Interior door handle switch malfunction
Problems with contacts in connectors
Door control unit malfunction

How to Fix

Check the integrity of the wiring harness and contacts
Test the interior door handle switch
Replace switch if necessary
Check the operation of the door control unit

Related codes

B3849 B3850 B3851