Table 1 shows two common power train related problems of the 2021 Jeep Grand Cherokee. The number one most common problem is related to the power train (56 problems). The second most common problem is related to the automatic transmission control module (one problem).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Automatic Transmission Control Module problems |
Final drive control module, transfercase control module went out. Causing “service 4wd” message check-engine/mil light 4wd system becoming unavailable trouble codes related to the drivetrain control module intermittent 4wd problems speed issues Read details...
Started noticing hard reverse shift when vehicle was cold. Took to the dealership, tech could not find any issues other than it shifted hard in reverse. Tech found no leaks, performed pcm reflash. Still no problems found. Tech did not check transmission fluid level on vehicle. Read details...