How can you test the computer on a 93 Jeep Grand Cherokee?
The only way to test the pcm is to check the powers and grounds on all the wires. These pcm’s have a high failure rate for this problem.
Where is the scan tool on a Jeep Grand Cherokee?
Connect the scan tool’s data cable to the data link connector (DLC) port. In most Jeeps, the DLC port is located next to the fuse panel under the driver’s side dash. Refer to the scan tool’s specific owner’s manual on how to run a self test on the PCM and clear the code.
When did Jeep Grand Cherokee PCM connector come out?
You can find the 1996-1998 4.0L Jeep Grand Cherokee PCM connector pin-out charts here: PCM Pin Out Chart (1996-1998 4.0L Jeep Grand Cherokee).
How do you reset a Grand Cherokee computer?
Disconnect the scan tool from the DTC port when done. If you do not have a quality scan tool, refer to Step 3. Disconnect the negative battery cable and leave it disconnected overnight. Reconnect the negative battery cable in the morning and all but any hard codes will be cleared.
The only way to test the pcm is to check the powers and grounds on all the wires. These pcm’s have a high failure rate for this problem.
You can find the 1996-1998 4.0L Jeep Grand Cherokee PCM connector pin-out charts here: PCM Pin Out Chart (1996-1998 4.0L Jeep Grand Cherokee).
Where is the fuel injection computer on a Jeep Grand Cherokee?
The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Jeep Grand Cherokee.
What kind of engine control does a Jeep Grand Cherokee have?
Thanks to your Grand Cherokee, you’re able to get off the beaten path while still traveling in comfort and style. You expect your vehicle to always perform at its best, so get a new Jeep Grand Cherokee engine control module to ensure that the information collected by your Jeep’s sensors is properly interpreted by your engine.