B3125

Driver Door Only Unlock Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

The driver's door does not open when the button is pressed
The driver's door opens with a delay
Other doors work fine

Causes

Open or short circuit in wiring harness
Solenoid valve malfunction
Problems with the door control unit
Contact corrosion

How to Fix

Check the wiring harness for opens and shorts
Check the operation of the solenoid valve
Diagnose the door control unit
Clean contacts from corrosion

Related codes

B3126 B3127 B3128