2018 Jeep Grand Cherokee engine problems
123 owner complaints filed with NHTSA name the engine on the 2018 Jeep Grand Cherokee — 14% of all complaints for this model year.
What owners report
“Subject: 2018 Jeep Grand Cherokee – Sudden Loss of Power, PCM Failure, Electrical Failures, and Concern Regarding Recall-Related Symptoms I am filing this complaint because my 2018 Jeep Grand Cherokee experienced a sudden and unexpected loss of power while I was driving, and I am very concerned…”
filed Aug 31, 2026
“The Jeep was giving me a warning sign. It said stop slowly. Your jeep will shut off so I replaced the two batteries. As my Mechanic told me I replaced the alternator. I also replaced the ground wires. Nothing is making my jeep start. We ran the codes on the jeep and it came back as a U0100 code…”
filed Aug 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Crankshaft position sensor tone wheel may delaminate, causing the engine to lose its…Campaign 23V411000 · Jun 8, 2023
- Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant…Campaign 20V699000 · Nov 12, 2020
Engine problems in other Grand Cherokee years
| Year | Reports | Share |
|---|---|---|
| 2025 Grand Cherokee | 21 | 28% |
| 2024 Grand Cherokee | 103 | 43% |
| 2023 Grand Cherokee | 83 | 22% |
| 2022 Grand Cherokee | 49 | 19% |
| 2021 Grand Cherokee | 60 | 15% |
| 2020 Grand Cherokee | 50 | 21% |
| 2019 Grand Cherokee | 64 | 17% |
| 2017 Grand Cherokee | 102 | 28% |
| 2016 Grand Cherokee | 76 | 25% |
| 2015 Grand Cherokee | 199 | 15% |
| 2014 Grand Cherokee | 408 | 17% |
| 2013 Grand Cherokee | 106 | 13% |
Other reported problem areas on the 2018 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.