Savana 3500 V8-6.6L DSL Turbo VIN 6 (2007)
Technical Service Bulletin # 08142A
Date: 081023
Campaign - ECM Software Update
CUSTOMER SATISFACTION
Bulletin No.: 08142A
Date: October 23, 2008
Subject:
08142A - ECM EEPROM - Reprogram ECM
Models:
All 2007 and Certain 2008 Chevrolet Silverado, Express
All 2007 and Certain 2008 GMC Sierra, Savana
Equipped with 6.6L Duramax V8 Diesel (RPO LMM - VIN 6) Engine
Supercede:
THIS BULLETIN IS BEING REVISED TO ADD MORE 2008 MODEL YEAR VEHICLES. PLEASE DISCARD CUSTOMER SATISFACTION
BULLETIN NUMBER 08142, DATED MAY 2008.
Condition
All 2007 and certain 2008 Chevrolet Silverado, Express; GMC Sierra and Savana vehicles, equipped with a 6.6L Duramax Diesel V8 (RPO LMM - VIN
6) engine, were produced with an ECM programming error that can result in incorrect data being written to the EEPROM used by the vehicle theft
deterrent system, causing the engine not to crank or start.
Correction
Dealers are to reprogram the ECM with revised software that corrects the programming error.
Vehicles Involved
Involved are all 2007 and certain 2008 Chevrolet Silverado, Express; GMC Sierra and Savana vehicles, equipped with a 6.6L Duramax Diesel V8 (RPO
LMM - VIN 6) engine and built within the VIN breakpoints shown above.
Important:
Dealers are to confirm vehicle eligibility prior to beginning repairs by using the system below. Not all vehicles within the above breakpoints may be
involved.- GM dealers should use GMVIS.
For dealers with involved vehicles, a listing with involved vehicles containing the complete vehicle identification number, customer name, and address
information has been prepared and will be provided through the applicable system listed below. Dealers will not have a report available if they have no
involved vehicles currently assigned.
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