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ECM/Skim/WCM Programming

WARNING: This page is about a different car, the 2018 Jeep Wrangler JK. However, it is still accessible from the selected car via links, so may be relevant.

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

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


When an ECM (Bosch) and the SKIM are replaced at the same time perform the following steps in order:

  1. Program the new SKIM
  2. Program the new ECM (Bosch)
  3. Replace all ignition keys and program them to the new SKIM.
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