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Pcm/ECM/WCM Programming

WARNING: This page is about a different car, the 2017 Jeep Patriot and 2017 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

When a PCM/ECM and the WCM are replaced at the same time perform the following steps in order:

  1. Program the new WCM
  2. Program the new PCM/ECM
  3. Replace all ignition keys and program them to the new WCM.
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