WenmarOpen by Wenmar Pro

Service bulletin 97040A

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id601217
Published by NHTSA1998-07-08
Manufacturer's number97040A
Manufacturer's date1998-04-24
Replaces97040
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

A REVISION TO REFLECT A NEW PCM REFLASHING PROCEDURE AND LABOR TIME THAT SHOULD BE USED ON ANY AFFECTED VEHICLES NOT YET REFLASHED. *YC

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
CHEVROLET CORVETTE1997

Listing a model year does not mean every vehicle of it is concerned: the document says which.