Where is the body control module on a 2002 Jeep Liberty?
one on the front side for high beam (also daytime running if fitted) and one on the rear for low beam and one for park lights. The BCM/Junction block is on the rear of the interior fuse panel. Worth swapping relays around to see if the problem moves but the multi function switch is usually the main culprit.
What does the TCM stand for in a jeep?
TCM stands for Transmission Control Module. This computer system helps govern the shift timings, and by using sensor data from cruise control, throttle and traction control systems, it minimizes wheel spin, thus improving handling. TCMs can be found in dual clutch manual transmissions as well as electronically supervised automatics.
How to reset your Jeep ECM ( Engine Control Module )?
Here is a little summary of it , the ECM is the brain of the vehicle and just like everything else you’re going to have to reset it and test it to make sure it’s in a great working condition. To reset your Jeep ECM you’re going to have to follow a couple of easy steps and you’ll be done before you even know it.
What’s the difference between ECM and PCU in a jeep?
The Jeep Engine Control Module, known as the PCM ( Powertrain Control Module) ECU ( Electrical Control Unit ) or to simply it put the Automotive Engine Computer . Confusing right? If you would like to know more about their differences you can read up on our previous post ” Difference between ECM, ECU & PCM ” which we covered it in details.
Do you need a PCM for a Jeep Wrangler?
An unlocked Jeep PCM is required to install a Prodigy Turbo Kit on all Wranglers from 2015 and forward. Jeep locked all PCM’s on the newer model Jeeps which prohibit the vehicle from accepting a custom tune.
Where is the ECM module on a 2002 Jeep Liberty?
We’ll show you how to replace a PCM ECM ECU Module on a 2002 Jeep Liberty. Begin replacing the Jeep PCM of your 2002 Jeep Liberty by locating the module. The location of the PCM is in the engine compartment in the back right near the battery. Before we start, make sure to do this to ensure safe replacement.
How to remove a PCM from a Jeep Liberty?
1- Disconnect the negative battery cable from the battery. 2- Remove cover over the electrical connectors. Cover the snaps onto the PCM. 3- Carefully unplug the three 32–way connectors from the PCM. 4- Remove the three PCM mounting bolts and remove the PCM from your vehicle.
How to reset your Jeep engine control module?
3- Once the time has passed you should now turn the headlights “on” and “off” twice to drain the Engine Control Module from any remaining power. 4- Now plug back in the negative terminal and your Jeep ECM should now be reset. To finish off this post , here are a couple of things you should keep in mind.
What happens if I Reset my Jeep ECM?
To finish off this post , here are a couple of things you should keep in mind. Resetting your Jeep ECM will not have any effect on your vehicle’s mileage, Resetting it should not cause any issues between your other module so feel free to this as many time as you want if you’re trying to diagnose a problem with your car. For good measure.