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Originally Posted by RAM9811
I have a 97 Yukon, keyless entry....the remote does not work at all, have changed batteries in both remotes, but still does not work....does anyone have a troubleshooting procedure...
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Hi, I think you have to (re)program the transmitters. This is how to do that:
1.Ground pin 4 to pin 8 of the DLC (Data Link Connector) The locks will lock and unlock within 2 seconds as a responce.
2. Press and hold the LOCK an UNLOCK buttons simultaneously, on the first transmitter to be programmed, until the locks cycle (+/- 10 sec)
3. Repeat step 2 for up to 4 transmitters.
4. Remove the ground applied to the DLC
5. verify the operation of the transmitters.
The DLC is located under the steering wheel it is used to connect the OBD.