# Service bulletin 677159

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: 51308
- Published by NHTSA: 1997\-06\-27
- Manufacturer's number: 677159
- Manufacturer's date: 1997\-02\-01
- NHTSA component: ELECTRICAL SYSTEM:IGNITION:MODULE

## NHTSA's summary

CLUNK NOISE ON ACCELERATION AFTER A CLOSED THROTTLE COAST DOWN \(NEW TCC CALIBRATION\). \*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

Electrical system, Ignition

## Vehicles listed

- 1996 CHEVROLET C SERIES\(LIGHT\)
- 1996 CHEVROLET G SERIES
- 1996 CHEVROLET P SERIES
- 1996 GMC C SERIES\(LIGHT\)
- 1996 GMC G SERIES
- 1996 GMC P SERIES

## Other bulletins for the same vehicles and component

- [766504](/bulletins/52581.md), 1997-08-21, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. MALFUNCTION INDICATOR LIGHT \(MIL\) ON, POOR DRIVEABILITY CONDITIONS \(PERFORM FLASH CALIBRATION\). \*TW
- [677153A](/bulletins/52572.md), 1997-08-21, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. NO UPSHIFT/2ND GEAR ONLY AFTER COLD START\-INTERMITTENT DTC 87 \- HIGH RATIO ERROR \(REPLACE EPROM\). \*TW
- [9774L60E13A](/bulletins/52552.md), 1997-08-14, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. CHUGGLE/SURGE ON TCC APPLY/NO DTC'S \(REFLASH THE POWERTRAIN CONTROL MODULE \(PCM\)\). \*TW
- [569603A](/bulletins/51275.md), 1997-06-27, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. ELECTRICAL INTERFERENCE IN MOBILE \(TWO\-WAY\) RADIO \(REPROGRAM VCM\-A\). \*TW

JSON: [/v1/bulletins/51308](/v1/bulletins/51308)

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