2023 Jeep Grand Cherokee fuel/propulsion system problems
52 owner complaints filed with NHTSA name the fuel/propulsion system on the 2023 Jeep Grand Cherokee — 14% of all complaints for this model year.
What owners report
“- The high-voltage (HV) battery system and related hybrid control processor (HCP) software — repeatedly, across three separate incidents (Jan 2026 coolant heater/HCP fault, June 2026 front axle disconnect fault, Sept 2026 full HV battery replacement). Also affected: front axle disconnect actuator…”
filed Sep 11, 2026
“CRITICAL VEHICLE SAFETY COMPLAINT - CHRONIC MULTI-SYSTEM DEFECTS The vehicle is a 2023 Jeep Grand Cherokee 4xe operating under severe chronic safety non-compliance. The vehicle has an active, un-remedied engine block casting sand contamination fire/loss of propulsion and crash risk (FCA 78C / NHTSA…”
filed Aug 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Grand Cherokee years
| Year | Reports | Share |
|---|---|---|
| 2025 Grand Cherokee | 12 | 16% |
| 2024 Grand Cherokee | 42 | 17% |
| 2022 Grand Cherokee | 40 | 15% |
| 2021 Grand Cherokee | 38 | 9% |
| 2020 Grand Cherokee | 17 | 7% |
| 2019 Grand Cherokee | 7 | 2% |
| 2018 Grand Cherokee | 44 | 5% |
| 2017 Grand Cherokee | 31 | 9% |
| 2016 Grand Cherokee | 28 | 9% |
| 2015 Grand Cherokee | 74 | 5% |
| 2014 Grand Cherokee | 123 | 5% |
| 2013 Grand Cherokee | 103 | 13% |
Other reported problem areas on the 2023 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.