2018 Jeep Grand Cherokee engine problems
120 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
“VEHICLE & PURCHASE DETAILS: 2018 Jeep Grand Cherokee (3.6L V6 Pentastar Engine). Purchased on/around April 27 in agreement with my credit union. INCIDENT & DEFECT DESCRIPTION: Upon taking delivery, the vehicle immediately displayed diagnostic warning codes. The selling dealer attempted…”
filed Jul 22, 2026
“* Upon normal driving the vehicle suddenly began to run rough. At that point the engine light came on and began flashing. Yes, it is available for inspection * I was traveling at highway speeds with my two young son's in the vehicle, when out of nowhere we experienced a major loss in power, Forcing…”
filed Jun 17, 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 | 19 | 30% |
| 2024 Grand Cherokee | 101 | 43% |
| 2023 Grand Cherokee | 81 | 21% |
| 2022 Grand Cherokee | 50 | 20% |
| 2021 Grand Cherokee | 60 | 15% |
| 2020 Grand Cherokee | 48 | 21% |
| 2019 Grand Cherokee | 61 | 17% |
| 2017 Grand Cherokee | 101 | 28% |
| 2016 Grand Cherokee | 76 | 25% |
| 2015 Grand Cherokee | 199 | 15% |
| 2014 Grand Cherokee | 406 | 17% |
| 2013 Grand Cherokee | 105 | 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.