WenmarOpen by Wenmar Pro

Service bulletin 476522

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 id39085
Published by NHTSA1995-03-08
Manufacturer's number476522
Manufacturer's date1995-01-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

BACKFIRE ON ACCELERATION. *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
CHEVROLET BLAZER1994
CHEVROLET S101994
GMC JIMMY1994
GMC SONOMA1994

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

Other bulletins for the same vehicles and component
6765371997-08-21. Service bulletin. INTERMITTENT HESTIATIONS, LOW POWER, AND ROUGH RUNNING ENGINE IN COLD TEMPERATURES (REPLACE PCM). *TW