No upshift/2ND gear only after cold start-intermittent DTC 87 - high ratio error (replace eprom)
Chevrolet technical service bulletin 677153A for 1994-1995 Chevrolet C Series(Light), 1994-1996 Chevrolet G Series and 1994-1996 GMC G Series and others.
- Bulletin number
- 677153A
- Component
- Electrical system: ignition: module
- Summary
- No upshift/2nd gear only after cold start-intermittent dtc 87 - high ratio error (replace eprom). Tw
Owners of these vehicles have filed 9 complaints in the electrical category.
Vehicles covered
- Chevrolet C Series(Light) 1994-1995 19941995
- Chevrolet G Series 1994-1996 199419951996
- GMC G Series 1994-1996 199419951996
- Chevrolet K Series 1994-1995 19941995
- GMC C Series(Light) 1994-1995 19941995
- Chevrolet P Series 1994-1996 199419951996
- GMC K Series 1994-1995 19941995
- GMC P Series 1994-1996 199419951996
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