Concerns with ext and xl models exhibiting inoperative rear HVAC controls and / or diagnostic trouble code...
Chevrolet technical service bulletin 020139003A for 2002 Chevrolet Trailblazer and 2002 GMC Envoy.
- Bulletin number
- 020139003A
- Component
- Visibility: defroster/defogger/HVAC system
- Summary
- Concerns with ext and xl models exhibiting inoperative rear HVAC controls and / or diagnostic trouble code b0150. Tt
Owners of these vehicles have filed 158 complaints in the visibility category.
Vehicles covered
- Chevrolet Trailblazer 2002 2002
- GMC Envoy 2002 2002
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