Rainier AWD L6-4.2L VIN S (2005)
Engine Control Module: All Technical Service Bulletins
Campaign - PCM Replacement
Inventory Upgrade - PCM Nonconformity-Replace PCM # 04109 - (Dec 15, 2004)
Models:
Certain 2005 Chevrolet TrailBlazer; GMC Envoy; Buick Rainier with Inline 6 Cylinder (RPO LL8) Engine
This correction should be performed on all vehicles currently in your inventory that are included in the Administrative Message (U.S.) VIN list prior to
sale or delivery.
Condition
The Powertrain Control Module (PCM) in these vehicles may not have been manufactured in conformance to GM specifications and vehicles may
exhibit symptoms such as Malfunction Indicator Light illumination.
Correction
Dealers are to replace the PCM.
Refer to the appropriate service information to replace the vehicle PCM
The replaced PCM should be scrapped at your dealership following the guidelines in the GM Policy and Procedures Manual.
Parts Information
Warranty Information
US Dealers
