2001 Jeep Grand Cherokee Repair Question
Topics covered: Battery, Battery cable, Engine.
Mileage: No information provided.
Mileage: No information provided.
Asked on October 2, 2010
2001 Jeep Grand Cherokee pcm
Computer problem
2001 Jeep Grand Cherokee V8 Four Wheel Drive Automatic 95555 miles
Where is the pcm and how do you R&R it
2001 Jeep Grand Cherokee V8 Four Wheel Drive Automatic 95555 miles
Where is the pcm and how do you R&R it
Asked by kenmannAnswer
Replied on October 2, 2010
Powertrain Control Module is-On right side of firewall.
REMOVAL
USE THE DRB SCAN TOOL TO REPROGRAM THE NEW POWERTRAIN CONTROL MODULE (PCM) WITH THE VEHICLES ORIGINAL IDENTIFICATION NUMBER (VIN) AND THE VEHICLES ORIGINAL MILEAGE. IF THIS STEP IS NOT DONE, A DIAGNOSTIC TROUBLE CODE (DTC) MAY BE SET.
Fig.13 Powertrain Control Module(PCM) Location
The PCM is located on the cowl panel in right/rear side of engine compartment.
The PCM is located on the cowl panel in right/rear side of engine compartment.
To avoid possible voltage spike damage to PCM, ignition key must be OFF; and negative battery cable must be disconnected before unplugging PCM connectors.
Disconnect negative battery cable at battery.
If equipped, remove Transmission Control Module (TCM) .
Remove coolant reserve/overflow tank.
Remove cover over electrical connectors. Cover snaps onto PCM.
Carefully unplug three 32-way connectors at PCM.
Fig.14 Powertrain Control Module (PCM) 32-Way Connectors
Remove three PCM bracket-to-body mounting nuts.
Remove PCM/PCM bracket assembly from vehicle.
Fig.15 Powertrain Control Module (PCM) Mounting Bracket
Remove 3 PCM-to-PCM bracket bolts (screws).
