2021 Jeep Grand Cherokee power train problems
58 owner complaints filed with NHTSA name the power train on the 2021 Jeep Grand Cherokee — 14% of all complaints for this model year.
What owners report
“The contact owns a 2021 Jeep Grand Cherokee. The contact stated that while driving 5 MPH, the vehicle jumped. The contact stated that while driving 8–9 MPH, the vehicle jerked, and there was an abnormally loud sound coming from the vehicle. In addition, the air bag warning light was illuminated…”
filed Sep 8, 2026
“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”
filed Aug 25, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
SHAFT - AXLE HALF
113528 · Service Bulletin/Repair Instructions · issued Jul 16, 2026SHAFT - AXLE HALF
113529 · Service Bulletin/Repair Instructions · issued Jul 16, 2026
Power Train problems in other Grand Cherokee years
| Year | Reports | Share |
|---|---|---|
| 2025 Grand Cherokee | 11 | 15% |
| 2024 Grand Cherokee | 28 | 12% |
| 2023 Grand Cherokee | 37 | 10% |
| 2022 Grand Cherokee | 36 | 14% |
| 2020 Grand Cherokee | 39 | 16% |
| 2019 Grand Cherokee | 45 | 12% |
| 2018 Grand Cherokee | 75 | 9% |
| 2017 Grand Cherokee | 88 | 24% |
| 2016 Grand Cherokee | 78 | 25% |
| 2015 Grand Cherokee | 350 | 26% |
| 2014 Grand Cherokee | 474 | 20% |
| 2013 Grand Cherokee | 55 | 7% |
Other reported problem areas on the 2021 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.