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April 1, 1997 Service bulletin

Automatic transmission 1-2 and/or 2-3 upshift slip/flare, no 3RD or 4TH gear, DTC P1870, launch shudder...

Chevrolet technical service bulletin 9774L60E08A for 1996 Chevrolet Blazer, 1996 GMC Jimmy and 1996 Chevrolet Astro and others.

Bulletin number
9774L60E08A
Component
Power train: automatic transmission
Summary
Automatic transmission 1-2 and/or 2-3 upshift slip/flare, no 3rd or 4th gear, dtc p1870, launch shudder (revise vcm wiring). Tw

Owners of these vehicles have filed 146 complaints in the transmission category.

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