Battery goes dead while sitting under carport,takes about 5-6 days too go dead? Have unpluged seat heaters replaced alt. and heat switch on drivers door.
I would have the battery tested first i. if it checks out then I would do this.
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I have found this
#02066 – Battery Drain
involved vehicles are certain:
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)
December, 2002
Dear General Motors Customer:
We want your experience owning your 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, Autoride, or Vehicle Stability Enhancement/StabiliTrack to be better than any other you’ve had … which is why we’re writing.
We have learned that your 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 vehicle 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 possible discharge the battery to the point where the battery will not have sufficient amperage to start the vehicle.
What We Have Done
We’ve sent a new BCM calibration to your dealer so that your vehicle can be reprogrammed to ensure that the BCM shuts down when you turn the vehicle off. This service will be performed for you at no charge.
What You Should Do
We recommend that you contact your dealer to arrange a service date. If you have experienced this condition in the past and your battery was recharged or replaced, your vehicle will still need to be reprogrammed.
here are the VIN breakpoints to determine if your vehicle is possibly involved (contact your dealer or the customer assistance certain to determine for sure):
2003 Chevrolet Silverado
Plant: Flint
From: 3F100014
Through: 3F165707
Plant: Oshawa
From: 31100001
Through: 31235800
2003 Chevrolet Tahoe
Plant: Arlington
From: 3R100009
Through: 3R181251
Plant: Janesville
From: 3J100001
Through: 3J179899
2003 Chevrolet Suburban
Plant: Arlington
From: 3R100009
Thtough: 3R181251
Plant: Janesville
From: 3J100001
Through: 3J183738
Plant: Silao
From: 3G100034
Through: 3G183738
2003 GMC Sierra
Plant: Flint
From: 3F100004
Through: 3F165315
Plant: Oshawa
From: 31100004
Through: 31235792
2003 GMC Yukon
Plant: Arlington
From: 3R100003
Through: 3R181273
Plant: Janesville
From: 3J100003
Through: 3J179886
2003 GMC Yukon XL
Plant: Arlington
From: 3R100005
Through: 3R181273
Plant: Janesville
From: 3J100003
Through: 3J179886
Plant: Silao
From: 3G100020
Through: 3G183779
2003 Cadillac Escalade
Plant: Arlington
From: 3R100001
Through: 3R181357
2003 Cadillac Escalade EXT
Plant: Arlington
From: 3G100002
Through: 3G183821
2003 Cadillac Escalade ESV
Plant: Arlington
From: 3G100002
Through: 3G183821
1 Like
also this recall
NHTSA Campaign Number: 02V224000
Manufacturer GENERAL MOTORS CORP.
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 649
Summary
CERTAIN ALL-WHEEL DRIVE SPORT UTILITY VEHICLES WERE BUILT WITHOUT A POWER STEERING BRACKET TO SECURE THE POSITIVE BATTERY CABLE, ALLOWING THE CABLE TO COME IN CONTACT WITH THE STEERING SHAFT.
Remedy
DEALERS WILL INSPECT THE POSITIVE BATTERY CABLE ROUTING AND RE-ROUTE, IF NECESSARY. NO OWNER NOTIFICATION WILL TAKE PLACE SINCE ALL VEHICLES WERE CAPTURED AT THE DEALERS.
Notes
ALSO, CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION’S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Vehicle
| MAKE | MODEL | YEAR |
|---|---|---|
| CADILLAC | ESCALADE | 2003 |