KJ and KK Liberty PCMs Do Not Interchange
A KJ Liberty PCM and a KK Liberty PCM are different modules. Match the 2.4 or 3.7, then pair the SKIM immobilizer.
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Jeep PCM diagnostics, installation tips, and troubleshooting guides.
Cherokee KL Won't Shift: PCM or the 9-Speed?
A Cherokee KL PCM has to match the 2.4, the 3.2, or the 2.0 turbo. A 9-speed shift problem is often the transmission controller.
Read More →WK2 Grand Cherokee: 3.6, Hemi, and Diesel Need Different PCMs
A Grand Cherokee WK2 PCM has to match the 3.6, 5.7, 6.4, or 3.0 EcoDiesel. WK and WL modules are a different generation.
Read More →Will a JK Wrangler PCM Work in a JL?
A JK Wrangler PCM will not run a JL, and a 3.8 JK module will not run a 3.6. Match the generation and the engine, then program the VIN.
Read More →Does a Jeep PCM Need to Be Programmed?
Every Jeep PCM replacement requires VIN programming and immobilizer pairing before the engine will start. Here is what that involves and how to avoid a crank...
Read More →5 Signs Your Jeep PCM Is Failing (And What To Do About It)
Your Jeep’s Powertrain Control Module (PCM) is the brain behind every engine and transmission function. When it starts to fail, the symptoms can be confusing...
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