B3140

Driver Door Unlock Switch Circuit

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–56 (est.)

Symptoms

Driver's door unlock button does not work
The door does not unlock when the button is pressed
False alarms of the locking system

Causes

Open or short circuit in the button circuit
Malfunction of the unlock button itself
Wiring harness damage
Problems with the body module

How to Fix

Check the integrity of the unlock button circuit
Test the button itself for malfunction
Inspect the wiring harness for damage
If necessary, replace the button or repair the wiring

Related codes

B3130 B3150 B3160