Left Headlight Beam Aim Motor Fault
The B0080 code means the vehicle's onboard diagnostic system has detected: Left Headlight Beam Aim Motor Fault. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- hard
- Estimated cost
- $100 - $450 (parts and labor)
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Common Symptoms
- Left beam stuck at wrong angle
- Leveling warning on dashboard
- Left headlight too high or low
- Oncoming drivers flashing
Probable Causes (Ranked by Likelihood)
- Failed beam aim motor Very High
- Corroded aim motor connector High
- Stripped aim motor gear Moderate
- Leveling ECU output fault Low
Step-by-Step Diagnostic Procedure
-
Test aim motor with scan tool
-
Inspect connector for corrosion
-
Verify gear for binding
-
Check ECU output to left motor
Frequently Asked Questions
Can I manually adjust if motor is broken?
Manual screws exist but auto-leveling may override. Disconnect the motor if needed.
Is the aim motor inside the headlight?
Yes, integrated into the assembly.
How to check headlight aim?
Park 25 feet from a wall. Beam cutoff should be at or slightly below center height.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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