Reduced power light on and diagnostic trouble code P1680 P1221 and/or P1271 stored in the power control module
Chevrolet technical service bulletin 3138 for 2002-2004 Chevrolet Trailblazer, 2002-2005 GMC Envoy and 2002-2004 Oldsmobile Bravada and others.
- Bulletin number
- 3138
- Component
- Electrical system
- Summary
- Reduced power light on and diagnostic trouble code p1680 p1221 and/or p1271 stored in the power control module. Sc
Owners of these vehicles have filed 1,727 complaints in the electrical category.
Vehicles covered
- Chevrolet Trailblazer 2002-2004 200220032004
- GMC Envoy 2002-2005 2002200320042005
- Oldsmobile Bravada 2002-2004 200220032004
- Buick Rainier 2004 2004
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Trailblazer?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history