2020 Jeep Grand Cherokee engine problems
Updated from NHTSA data · How we count
56 owners have reported engine problems with the 2020 Jeep Grand Cherokee, 23% of all complaints about this model year. The typical problem appeared around 10,673 mi.
- Engine complaints
- 56
- Crashes
- 0
- Fires
- 3
- Injuries
- 0
- Related recalls
- 1
- Median mileage
- 10,673 mi
Specific components reported
Engine covers: stalling, loss of power, oil consumption, overheating.
| Component | Complaints |
|---|---|
| Engine | 50 |
| Engine and engine cooling | 5 |
| Engine and engine cooling:engine:engine control module (ecu/ecm) | 1 |
Engine complaints across Jeep Grand Cherokee years
Mileage when the problem appeared
Related recalls
- ENGINE AND ENGINE COOLING
Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Risk: An engine stall can increase the risk of a crash.
Remedy: Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023. Some owner notification letters were mailed October 31, 2023. The remaining owner notification letters will be mailed at a future date, anticipated July 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 66A. This recall is an expansion of recall 20V-475.
What owners say
- Filed Aug 9, 2026DCElectrical SystemEngineTransmission & Drivetrain
On the 26th of April 2026, the transfer Case on my 2020 Grand Cherokee (with less 114,000 miles) failed during highway travel. This resulted in a sudden downshift and temporary deceleration followed by illumination of “Service 4wd” display. A short time after, the “Service Electronic Stability Control” indicator displayed followed by another downshift and the unattended transition of the 'Select_Terrain' from 'Auto' to 'Snow'. We were unable to turn off these settings. On…
NHTSA complaint #11755784 · source - Filed Aug 9, 2026CAEngine
I am submitting this complaint to report a serious safety concern involving my 2020 Jeep Grand Cherokee. At approximately 44,000–45,000 miles, the vehicle suffered a catastrophic engine failure. This was extremely alarming considering the relatively low mileage of the vehicle. The most serious concern occurred while I was attempting to drive the vehicle to the service center. The condition of the vehicle became so severe that I genuinely feared the vehicle could catch fire…
NHTSA complaint #11755756 · source - Filed Jul 17, 2026OHEngineOther / Unknown
I am reporting a potential safety issue involving my 2020 Jeep Grand Cherokee Limited X. The vehicle developed a condition in which it would not stay running. I brought the vehicle to an authorized Jeep dealership, Valley Motor City in Cuyahoga Falls, Ohio, for a scheduled service appointment on May 19, 2026. The dealership diagnosed and completed approximately $5,200 in repairs. On June 11, 2026, I was informed that the repairs had been completed, but the vehicle still…
NHTSA complaint #11751177 · source - Filed Jul 6, 2026114,369 miMDTowedEngine
The contact owns a 2020 Jeep Grand Cherokee. The contact stated that while driving at approximately 20 MPH, the check engine warning light illuminated, and the vehicle jerked and lost power. The vehicle was taken to an independent mechanic, where the failure could not be replicated. The vehicle was then taken to another independent mechanic, where it was diagnosed that the camshaft, battery, and two oil valves in the starter needed to be replaced. The vehicle was not…
NHTSA complaint #11748555 · source - Filed Mar 7, 2026PAElectrical SystemEngineOther / Unknown
on or around 12/15/2024 (42257 miles on vehicle) jeep will power on start and stop, all alights on dashboard light, unable to shift into or out of gear when parked. When driving but stopped at a red light car shut off. Attempted to restart unable to, car put into park attempted to restart lights came on but engine didn't turn over. Tried again few minutes laster and the car turned on. Returned apartment, parked car. was unable to shift car into park, car shut off on its own…
NHTSA complaint #11722662 · source - Filed Mar 5, 2026GADriver Assistance & Safety TechEngineFuel, Hybrid & EV Propulsion
On September 15–16, 2025, my vehicle was serviced at AutoNation CDJR North Columbus, where the technician documented: “Oil filter housing failed internally.” •No repair, replacement, or warning was provided to me about the risk of catastrophic engine failure. •I was not presented a signed repair decline form. •Internal failure was documented but not escalated. On February 13, 2026, the engine failed completely, rendering the vehicle inoperable. The dealership quoted…
NHTSA complaint #11722336 · source - Filed Jan 27, 2026WIEngine
On sat 01/24/26 I was filling my washer fluid and I looked down and saw oil on the bottom on right side. I left it parked until I took it 2 miles to dealer told them what I saw and they looked at it and the plastic oil canister housing broke and got oil in my antifreeze. They told me powertrain warranty would not cover the whole fix. I have seeing alot of people have had same problem I think jeep needs to get a recall out for that since it has been a problem. This is not…
NHTSA complaint #11713674 · source - Filed Jan 25, 2026WIEngineOther / UnknownTransmission & Drivetrain
I purchased this vehicle, November 2023 and by August 2024 the vehicle went into Griffin Hubs to get the engine replaced. They had the vehicle for over a month and a half when I received it back after the engine I had it for a day and a half and had to take it back because it was making a loud grinding noise coming from the engine which then they had to replace a second time because the engine was shredded and was told they were going to put a new transmission in as well,…
NHTSA complaint #11713217 · source - Filed Jan 8, 2026NYEngine
This complaint concerns a serious ongoing engine defect in my 2020 Jeep Grand Cherokee Limited with the 3.6L Pentastar engine. The vehicle experiences ongoing misfire, rough idle, loss of smooth engine operation, and valvetrain noise. The Jeep runs very poorly and feels unreliable and unsafe to drive. The problem appears to be consistent with camshaft and rocker wear described in Stellantis Technical Service Bulletin 09-011-25. The vehicle has been repaired three times at:…
NHTSA complaint #11709770 · source - Filed Nov 1, 2025KYEngine
I brought my jeep in for a concern about an antifreeze leak on 1/3/25. I had 130,112 miles on my vehicle and was my warranty expired at 125,000 miles. They thought it was a water pump gasket at the time. I took my jeep back on 10/30/2025 and they confirmed a head leak, that wasn't checked last time. This is a safety issue since it has been confimed that other jeeps within same year have the same issue. If I am driving on the interstate and this issue got worse, then it will…
NHTSA complaint #11696912 · source - Filed Oct 17, 2025FLEngine
Beginning October 3, 2025, the buyer reported a Check Engine Light (CEL) issue. 10.3.25 - The sale dealership stated diagnosis of a fuel leak. 10.8.25 - The sale dealership identified a charcoal canister issue. 10.13.25 - The sale dealership is referring to Jeep dealership. 10.17.25 - The sale dealership confirmed light continues to persist. To date the vehicle has been returned to the sale dealership three times since October 3, 2025. A warranty invoice shows only…
NHTSA complaint #11694196 · source - Filed Sep 18, 2025NVEngine
I bought the vehicle Dec 29, 2024 and it had 79000 miles on it. I use it for work , that is driving to and from my job and to the bank and back for work. I would say that in March of 2025 I went to the bank and I got in to leave and put the vehicle into reverse and it would not go into reverse and a the engine light came on. I had to shut the vehicle off and wait 5 minutes and then try again to go into reverse. When I put it into reverse the r was flashing on the shifter and…
NHTSA complaint #11688086 · source
Other 2020 Jeep Grand Cherokee problem areas
- Electrical System (73)
- Other / Unknown (65)
- Transmission & Drivetrain (39)
- Fuel, Hybrid & EV Propulsion (21)
- Driver Assistance & Safety Tech (19)
- Airbags (17)
- Acceleration & Cruise Control (14)
- Steering (13)
- Brakes (12)
- Suspension (8)
- Body & Structure (8)
- Seats & Seat Belts (6)
- Visibility & Wipers (5)
- Wheels & Tires (3)
- Lighting (2)
Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology