In some cases, the alternator is simply shorted and the problem can easily be fixed. Note the computer data line bus wires shown in blue and gray colors. Disconnect negative battery cable at battery.
1-Verify that there is battery voltage going in to the PCM at pin connectors 2 and 22 on the black connector. try disconnecting the NEGATIVE cable on the battery for 10-20 minutes.to/2DaVCJi todays video is testing the PCM in a Jeep The above procedure will work for 96 and up but be aware an OBD II scanner will be needed as the above codes could have multiple meanings. In the Grand Cherokee WJ there is a screw that should be open, we will publish an article soon. The dealer says that it does not have an immobilizer by the VIN number. Count the number of time the MIL (check engine lamp)on the instrument panel flashes on and off. If the jeep Engine control module is faulty, you will experience a litany of transmission problems and stalling is one of the most popular. Fuse box diagram (fuse layout), location, and assignment of fuses and relays Jeep Grand Cherokee (ZJ / ZG) (1996, 1997, 1998).
#How to install transmission for 1999 jeep cherokee how to#
How to test pcm jeep grand cherokee It monitors different activities to determine the right time to engage or switch gears.