Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Technical Service Bulletin # 08136
Date: 080513
Recall - ECM Update for Fuel Sender OBD Diagnostics
# 08136: Product Emission - On-Board Diagnostic (OBD)-Fuel Level Sender-Reprogram Engine Control Module (ECM) (California Only)
(May 13, 2008
Subject:
08136 -- On-Board Diagnostics (OBD) - Fuel Level Sender - Reprogram Engine Control Module (ECM)
Models:
2004-06 Chevrolet Silverado Chassis Cab, Suburban, Avalanche - California Only
2004-06 GMC Sierra Chassis Cab, Yukon XL - California Only Equipped With Dual Fuel Tanks
Condition
General Motors has decided to conduct a Voluntary Emission Recall involving certain 2004-06 Chevrolet Silverado chassis cab, Suburban, Avalanche;
GMC Sierra chassis cab and Yukon XL model trucks, equipped with dual fuel tanks. The revised calibration includes changes to the Fuel Level Sender
On Board Diagnostics (OBD) system that should be installed as soon as possible. Install the new calibration on all affected vehicles identified in this
bulletin, including vehicles in new dealer inventory and any vehicles that return for service, for any reason. To verify if an updated calibration is
required, refer to the following procedure in this bulletin.
Correction
Dealers are to reprogram the ECM with corrected calibrations.
Vehicles Involved
Involved are certain 2004-06 Chevrolet Silverado chassis cab, Suburban, Avalanche; GMC Sierra chassis cab and Yukon XL model trucks, equipped
with dual fuel tanks and built within the VIN breakpoints shown above.
Important:
Dealers are to confirm vehicle eligibility prior to beginning repairs by using the GM Vehicle Inquiry System (GMVIS). Not all vehicles within the
above breakpoints may be involved.
