I need help setting up my new key fob transmitter

  • 100,500 MILES
2005 Silverado, In initiating the keyfob transmiter setup after the two key rotations and release of the drivers door unlock button then within a couple of seconds the locks cycle twice instead of once and the horn beeps. The keyfob does nothing even after simultainiosly holding the fobs lock/unlock buttons well past 30 seconds.
The Keyfob is new bought on ebay and the battery shows 3.07V metered while pressing a fob key (I am an electronics Tech).
My understanding is the locks should cycle once then cycle once again when the keyfob transmitter is recognised.
Any Ideas?
Do you
have the same problem?
Sunday, October 30th, 2011 AT 10:11 PM

1 Reply

This is what I have follow it to the T. If not working, it's possible the remote you bought isnt for your truck.
Method 1 - No Tools Required, Program All Transmitters
1. Close all the vehicle doors.
2. Insert the ignition key into the ignition lock cylinder.
3. Press and hold the door unlock switch.
4. While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
5. Release the door unlock switch. The doors will lock and unlock to confirm the program mode.
6. Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter.
After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the
programming of that transmitter.
7. Repeat the previous step to program up to 4 transmitters.
8. Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter
programming mode.
9. Operate the transmitter functions in order to verify correct system operation.

IMPORTANT: All transmitters which are to be recognized by the PDM must be
programmed in a single programming sequence. When using this
program method, all previously programmed transmitters will be erased
upon the receipt of the programming signal from the first transmitter.
The order in which the transmitters are programmed will determine its
numbering position within the PDM memory. The first transmitter
programmed will be transmitter #1, and the second transmitter
programmed will be transmitter #2. The number stamped on the
transmitter case is for reference only; #2 can be programmed as #1, or
vice versa. Additional unnumbered transmitters are also available.
KEYLESS ENTRY SYSTEM -2005 Chevrolet Silverado 1500
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Monday, October 31st, 2011 AT 8:26 PM

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