2008 Jeep Grand Cherokee power train problems
77 owner complaints filed with NHTSA name the power train on the 2008 Jeep Grand Cherokee — 11% of all complaints for this model year.
What owners report
“When driving it will randomly shift into 4th gear very hard and stay in 4th until you turn it off. It will happen at any speed and be fine for months or do have the issues consistently for long period of time then stop. It happens with no pattern or related reasons.”
filed Apr 20, 2025
“I have two 2008 jeep grand cherokee's. Recently I became aware of the fca group p57 recall which is an updated ignition cylinder and wireless module after asking around my circle about my two vehicles stalling. Most recently my wife and child where driving at 110kph driving straight when her gc…”
filed Nov 2, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Plate - Planetary
101232 · Service Bulletin/Repair Instructions · issued Oct 30, 2024Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number…
9004009 · Service Bulletin/Repair Instructions · issued Apr 7, 2021NAG1 Transmission Before installing the transmission with the engine, check for dowel pins (2) for alignment. If the pins are missing request to add the dowel pin first and then install the transmission
9004361 · Service Bulletin/Repair Instructions · issued Mar 31, 2021NAG1 Transmission Before installing the transmission with the engine, check for dowel pins (2) for alignment. If the pins are missing request to add the dowel pin first and then install the transmission
9004361 · Service Bulletin/Repair Instructions · issued Mar 31, 2021Mechanical rocker arm, intake, 1.7 ratio.
9001784 · Service Bulletin/Repair Instructions · issued Feb 22, 2021
Power Train problems in other Grand Cherokee years
| Year | Reports | Share |
|---|---|---|
| 2025 Grand Cherokee | 11 | 17% |
| 2024 Grand Cherokee | 26 | 11% |
| 2023 Grand Cherokee | 36 | 10% |
| 2022 Grand Cherokee | 37 | 14% |
| 2021 Grand Cherokee | 56 | 14% |
| 2020 Grand Cherokee | 38 | 17% |
| 2019 Grand Cherokee | 44 | 12% |
| 2018 Grand Cherokee | 70 | 8% |
| 2017 Grand Cherokee | 87 | 24% |
| 2016 Grand Cherokee | 78 | 25% |
| 2015 Grand Cherokee | 350 | 26% |
| 2014 Grand Cherokee | 473 | 20% |
Other reported problem areas on the 2008 Jeep Grand Cherokee
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.