B3930

Child Security Lock Motors Circuit

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Child door lock does not work
Malfunction indicator on the instrument panel
Doors do not lock when function is activated

Causes

Open or short circuit in wiring harness
Malfunction of child lock motors
Problems with the door control module
Poor contact in connectors

How to Fix

Check the integrity of the wiring harness
Check power and ground on locking motors
Check the operation of the locking motors
Check door control module
Replace faulty components

Related codes

B3931 B3932 B3933