Low Voltage to Driver Side Door Lock Switch
The vehicle's computer has detected a low voltage condition at the driver side door lock switch.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The computer thinks there's not enough voltage coming from the driver side door lock switch, usually because of bad wiring or a faulty switch.
What the computer is actually seeing
The body control module monitors the voltage coming from the door lock switch. It expects a voltage between 5-12 volts when the switch is pressed or unlocked. Seeing below 5 volts triggers the code.
What a healthy reading looks like
Voltage from the door lock switch should be between 5-12 volts when activated.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 1Check for visible damage on wiring and connectors to the driver side door lock switch.
- 2Test the voltage at the door lock switch connector while cycling the switch; it should read 5-12 volts when activated.
- 3Inspect the integrity of the door control module connector for corrosion or loose connections.
- 4If wiring and connections are good, replace the driver side door lock switch.
- 5If the problem persists after replacing the switch, consider replacing the door control module.
Common causes
- Corroded or damaged wiring to the door lock switch
- Faulty driver side door lock switch
- Poor connection at the door control module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code active?
Yes, but it may affect the functionality of your door locks.
Will this issue come back after repair?
If repaired properly, the issue should not return.
What happens if I ignore this code?
Door locks may become unreliable and could lead to convenience issues.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
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