On-board diagnostic (OBD) system improvements - service engine soon light on, diagnostic trouble code...
Chevrolet technical service bulletin 010604052A for 2002 Chevrolet Trailblazer, 2002 GMC Envoy and 2002 Oldsmobile Bravada.
- Bulletin number
- 010604052A
- Component
- Engine and engine cooling: engine
- Summary
- On-board diagnostic (obd) system improvements - service engine soon light on, diagnostic trouble code (dtc) p0014, p0116, or p1683 set, delayed transmission downshift and/or excessive fan noise. Tt
Owners of these vehicles have filed 316 complaints in the engine category.
Vehicles covered
- Chevrolet Trailblazer 2002 2002
- GMC Envoy 2002 2002
- Oldsmobile Bravada 2002 2002
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