lets give this a try
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IMPORTANT: All transmitters which are to be recognized by the Remote Control Door Lock Receiver (RCDLR) must be programmed in a single programming sequence. If the system is placed in program mode it will erase all previously programmed transmitters upon the receipt of the programming signal from the first transmitter. Up to four transmitters can be programmed.Do not operate or program the transmitters in the vicinity of other vehicles that are in the keyless entry program mode. This prevents the programming of the transmitters to the incorrect vehicle.You may program up to 4 transmitters, using either of the two following procedures:Transmitter Programming Procedure (Method 1 - No Tools Required)
try the ist step of the procedure no tool required
Transmitter Programming Procedure (Method 1 - No Tools Required)
when i try to put the truck into program mode with the key on/off, nothing happens
Hello! I am sorry the other two experts could not assist you. I work on these vehicles on a regular basis, perhaps I can shed some light for you.
Starting in 2007, the Transmitters can be programmed through the Driver Information Center (DIC). However, starting in 2008, they started to take that feature away and only make it available with the factory Scantool.
To see if you can still do it through the DIC, locate the 4 DIC buttons
Turn the ignition key "ON"
Press the "I" button (second one down) and scroll through until you find "Relearn Remote Key" and then press and hold the "Check" button (bottom button) until it says "Active" in the DIC
Then, Press and hold "Lock" and "Unlock" on the transmitter until you hear a beep and then press and hold the same buttons on the next transmitter until you hear a beep and do the same for any other transmitters.
Once done, simply turn the ignition key off to end the programming.