#67-71-53B - No Upshift/2nd Gear Only After Cold Start-Intermittent DTC 87-High Ratio Error (Replace EPROM) - (Nov 10, 2003)

Subject:
No Upshift/2nd Gear Only After Cold Start-Intermittent DTC 87–High Ratio Error (Replace EPROM)
Models:
1994-1995 Chevrolet and GMC C, K, P Truck, G Van
1996 Chevrolet and GMC P Truck, G Van
Equipped with HYDRA-MATIC 4L80E Automatic Transmission (RPO MT1)

This bulletin is bei...

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Document Title: #67-71-53B - No Upshift/2nd Gear Only After Cold Start-Intermittent DTC 87-High Ratio Error (Replace EPROM) - (Nov 10, 2003)

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