C 1500 Truck 2WD V6-4.3L VIN X (2003)
Technical Service Bulletin # 02066
Date: 021201
Campaign - BCM Reprogramming for Battery Drain
Bulletin No.: 02066
Date: December, 2002
CUSTOMER SATISFACTION PROGRAM
SUBJECT:
02066 - BATTERY DRAIN
MODELS:
2003 CHEVROLET SILVERADO, TAHOE, SUBURBAN
2003 GMC SIERRA, YUKON, YUKON XL
2003 CADILLAC ESCALADE, ESCALADE EXT, ESCALADE ESV EQUIPPED WITH QUADRASTEER (NYS), AUTORIDE (Z55), OR
VEHICLE STABILITY ENHANCEMENT/STABILITRAK (JL4)
CONDITION
General Motors has decided that certain 2003 model year Chevrolet Silverado, Tahoe, and Suburban; 2003 model year GMC Sierra, Yukon, and Yukon
XL; and 2003 model year Cadillac Escalade, Escalade EXT, and Escalade ESV vehicles equipped with Quadrasteer (NYS), Autoride (Z55), or Vehicle
Stability Enhancement/StabiliTrak (JL4) may have the potential of exhibiting a battery drain condition. An anomaly in the operation of the steering
wheel position sensor may keep the Body Control Module (BCM) from shutting down when the key is in the "OFF" position. The resultant 3.5 amp
draw/load on the battery could possibly discharge the battery to the point where the battery will not have sufficient amperage to start the vehicle.
CORRECTION
Dealers are to reprogram the BCM.
VEHICLES INVOLVED
Involved are certain 2003 model year Chevrolet Silverado, Tahoe, and Suburban; 2003 model year GMC Sierra, Yukon, and Yukon XL; and 2003
model year Cadillac Escalade, Escalade EXT, and Escalade ESV vehicles equipped with Quadrasteer (NYS), Autoride (Z55), an (JL4) built within the
VIN breakpoints shown.
IMPORTANT:
Dealers should confirm vehicle eligibility through GMVIS (CM Vehicle Inquiry System) or GM Access Screen (Canada only) or DCS Screen 445
(IPC only) prior to beginning program repairs. [Not all vehicles within the above breakpoints may be involved.]
