B0810
Left Headlamp Low Beam Circuit
The body control module has detected a fault in the left low beam headlamp circuit. Bulb may be burnt out or wiring shorted.
The body control module has detected a fault in the left low beam headlamp circuit. Bulb may be burnt out or wiring shorted.
Common causes
- high
Burnt out bulb
One of the most commonly reported causes for this code — check this first.
Typical part cost: $20-220
- medium
Wiring short
A plausible cause — test and verify before replacing parts.
Typical part cost: $20-220
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for B0810.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for B0810.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for B0810.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does B0810 mean?
B0810 means "Left Headlamp Low Beam Circuit". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0810?
burnt out bulb; wiring short — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full B0810 diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.