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When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.
Erratic RKE operation or RKE inoperative.
As more and more electronic devices get incorporated or carried in vehicles, reports of remote keyless entry systems with poor performance or unable to program are increasing. Technical Assistance has identified a number of devices that can interfere with our RKE such as cell phone cords plugged into power outlets without the phone present, wireless doorbell transmitters, garage door openers, etc. If an RKE system receives two transmissions from separate sources at the same time, it will ignore both. You can locate devices in the unwanted transmissions using the RKE key Fob tester, J 43241. Since the unwanted transmissions are the same frequency as the key Fob, the LED on the tester will light when the tester is slowly swept near the device. Be sure to sweep around all storage areas in the vehicle and under dash and seat.
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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.
(96-04 ALL GM DIVISIONS)
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GM bulletins are intended for use by professional technicians,
NOT a "do-it-yourselfer". They are written to inform these
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 your GM dealer for information on whether
your vehicle may benefit from the information. |
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