B3157

Right Front Lock Switch Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–89 (est.)

Symptoms

Right front door lock malfunction
Problems with central locking
False alarms
Indication of an open door when closed

Causes

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

How to Fix

Check the operation of the right front lock manually
Visually inspect the wiring harness for damage.
Check the contacts in the lock switch connectors
Test resistance and voltage in the circuit
Replace faulty switch or repair wiring harness

Related codes

B3158 B3159 B3160