List Of Jeep Cherokee Pcm Reset References. The pcm, or powertrain control module, is responsible for controlling the. Web i want to reset the ecu, and here is how i did it, maybe its wrong.
One way is by disconnecting the battery cable for 2 to 3 minutes and waiting to see if the check engine light comes. The powertrain control module (pcm) is the computer that controls most of your jeep’s essential systems. Resetting your jeep cherokee’s pcm is not as challenging as you might have been led to believe.