# Service bulletin 777163

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 52560
- Published by NHTSA: 1997\-08\-14
- Manufacturer's number: 777163
- Manufacturer's date: 1997\-06\-01
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

UNDESIRED TRANSMISSION DOWN SHIFTING BETWEEN THIRD AND SECOND GEAR WHEN MANUALLY SHIFTED TO FIRST GEAR \(D1\) \(NEW CALIBRATION\). \*TW

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Transmission and driveline, Automatic transmission

## Vehicles listed

- 1997 CHEVROLET G SERIES
- 1997 GMC G SERIES

JSON: [/v1/bulletins/52560](/v1/bulletins/52560)

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