Cadillac XLR Knowledge Base

2004 - 2005 Cadillac XLR: Service Information: Low or Completely Discharged Battery

Owners of some 2004-05 Cadillac XLRs and 2005 Chevrolet Corvettes may comment that the battery has a low charge or is completely discharged at times.

If a cause can not be located with normal diagnosis, check with the customer or the sales department to determine if the vehicle is equipped with an aftermarket security system. These systems use a small transmitter or GPS locator that is hidden in the vehicle and is usually unknown to the technician. The transmitter is typically installed in the hot-at-all-times dome lamp circuit and prevents the Body Control Module (BCM) from entering the sleep mode.

- Thanks to Paul Radzwilowicz, GM Techlink, June 2005

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.

© Copyright General Motors Corporation. All Rights Reserved

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