Gmc/chevrolet: headlamp switch inop in manual mode only
Chevrolet technical service bulletin PIT-4835 for 2004-2009 Chevrolet Colorado and 2004-2009 GMC Canyon.
- Bulletin number
- PIT-4835
- Component
- Exterior lighting: headlights: switch
- Summary
- Gmc/chevrolet: headlamp switch inop in manual mode only. Headlights are always functional in automatic mode. This could be the result of a relay installed in the incorrect position with the ubec.
Owners of these vehicles have filed 186 complaints in the lights category.
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