PCM Programming
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Mercury Villager, 1999 Mercury Tracer, 1999 Mercury Sable, 1999 Mercury Mystique, and 1999 Mercury Mountaineer. However, it is still accessible from the selected car via links, so may be relevant.
For Powertrain Control Module (PCM) programming procedures, see ALL MODELS (PROGRAMMING PCM).
NOTE:
Once programming mode has been enter and transmitter button is pressed for the first time, all previously stored transmitter codes will be erased. All transmitters to be used with this system must be programmed at the same time (maximum of 4 transmitters).