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2020 Jeep Grand Cherokee engine complaints

Page 3 of 3: complaints 41 to 56 of 56, newest first, as owners wrote them.

See the summary of 2020 Jeep Grand Cherokee engine problems: which part fails, at what mileage and related recalls.

Filed Aug 8, 2022 · Engine · CO

Vehicle stalls unexpectedly. Error is "shift to park". Driver shifts the vehicle into park. The car is then locked in park and the driver needs to restart the vehicle. The vehicle doesn't always restart. This has happened multiple times. After the first time, we took it back to the dealership where we bought the vehicle and they replaced the batteries. After the batteries were installed it happened again, took it to a Jeep dealership and they were not able to duplicate the issue so did not do anything. It happened again after that. This is extremely dangerous and can cause serious accidents since the vehicle is stalled in the middle of a road!

Filed Feb 11, 2022 · Engine · FL

Updating the federal safety agency ID Number 11382705, 10/22/20. Dealer diagnosed issue on 9/15/21 and it was caused by a defective battery. Battery was replaced and there has been no further issue. Please remove or supplement No. 11382705

Filed Jan 10, 2022 · Engine · 14,787 miles · CA

The contact owns a 2020 Jeep Grand Cherokee. The contact stated that while his wife was driving at an undisclosed speed, the vehicle stalled. Several unknown warning lights illuminated on the instrument cluster. The vehicle was towed to the dealer and diagnosed with 45 error codes relating to the vehicle not being able to communicate with the blind spot and doors due to battery failure. The battery was replaced; however, the failure recurred. The vehicle was towed back to the dealer. The contact was uncertain if the dealer diagnosed the vehicle with engine control module (ECM) or body control module (BCM) failure. The dealer informed the contact that the windshield seal was not installed correctly during manufacturing, which caused water to seep in and damage the engine control module (ECM) or body control module (BCM). The vehicle was not repaired and remained at the dealer. The manufacturer was made aware of the failure but informed the contact that the vehicle was not covered since it did not have an extended warranty. The failure mileage was 14,787.

Filed Oct 12, 2021 · Electrical, Engine · MD

Bought jeep in December 2020. Currently at 8000 miles. In October 2021, the vehicle would not turn off. The push button would go between ACC and Start but not in the off. Dealership has never seen this and after 8 days, are not able to definitively tell me what the issue is. The assumption has been given that the car is not recognizing that the vehicle is in Park. This is an assumption as whatever diagnosis that is being done is not finding the error.

Filed Jul 17, 2021 · Engine · GA · fire

Jeep caught fire while parked. Origin of cause states right side of engine is fire origination

Filed Mar 30, 2021 · Electrical, Engine · 13,100 miles · OH

Vehicle in motion city & highway. The entire vehicle dies. The engine turns off, all the lights die, no steering, dashboard & radio die. A few seconds later the engine restarts on its own, lights come on, dashboard lights up and radio works. The one remaining issue that indicates the problem is that the radio complete resets to what I believe is the original settings. This problem has been ongoing since the vehicle was acquired. It has been in the dealerships multiple times and they of course can not duplicate so they send me on my way. They have held the jeep to drive but claim they cannot duplicate. Also there are no codes showing when they check. Try driving at 65 MPH with a dead car. Again this has been happening for about a year

Filed Feb 20, 2021 · Engine, Fuel system · 7,952 miles · FL

The check engine light keeps coming on it has to do with the emissions control the vehicle does not run properly. It has been in the shop 3 times going on number 4 for the same exact problem. I was told that it falls under the lemon law because the emissions control system is defective in that vehicle. My wife was driving the vehicle with our three month old grandchild and the vehicle would not accelerate would not move at all in traffic on a busy highway with vehicles passing by her at 45 to 50 miles an hour.

Filed Dec 10, 2020 · Engine · 3,000 miles · FL

2020 jeep grand cherokee overland. Consumer writes in regards to engine trouble. *ld the consumer stated the engine failed while driving. The dealer and manufacturer were notified.

Filed Nov 28, 2020 · Electrical, Engine · 329 miles · NJ

While driving 60 miles per hour along the southbound express lane of garden state parkway my new 2020 jeep grand cherokee started shaking. Within seconds, I pulled on to the grassy area next to the fast lane where my vehicle died. After getting towed to the dealership, I was notified that my new car with 329 miles on it is in need of a new engine, new batteries and new starter. Of notable concern on the repair order is the following: "what is present inside intake manifold is pieces of metal." while the case is not yet closed, chrysler informed me they intend to fix the vehicle under warranty and return it to me. This is a serious safety concern and I fear the blown engine, dead batteries and starter could have caused additional, unrecognized damage.

Filed Sep 14, 2020 · Engine, Transmission · 4,384 miles · PA

Transmission lost power while driving. Was not able to keep rate of speed. Car stopped and would not go into gear stranded in traffic.

Filed Aug 19, 2020 · Engine, Transmission · 3,800 miles · NY · fire

Tl* the contact leased a 2020 jeep grand cherokee. The contact stated while at a stop light, the vehicle failed to shift into gear and stalled. The "auto park on ,place vehicle in park' message was displayed. In addition, the check engine light was illuminated. The contacted attempted to restart vehicle several times. There was an abnormal burning smell detected and smoke emerging from vehicle. The vehicle was towed to brown's jeep chrysler dodge ram (483 ny-112, patchogue, ny 11772(631) 289-8500) but was not diagnosed or repaired. The manufacturer was contacted however no further assistance was provided. The failure mileage was 3,800. *dt the consumer stated the valve body, TCM and battery were repaired/replaced. The vehicle continued to have difficulty accelerating and decelerating.

Filed Aug 14, 2020 · Engine · 8,246 miles · NY

I was at a red ight, on a busy road. The light turned green, I was the first car stopped in the turning lane. The light turned green,and as I turned, the car into the lane, it rolled foward for a second when I took my foot off the brake, then it lept forward, stalled, then said on the display that the car needed to be put in park before starting the engine. I was in the middle of the intersection going across oncoming traffic.

Filed Aug 8, 2020 · Electrical, Engine · 7,100 miles · FL

Wednesday, august 5 2020, was driving about 3 miles from my house when I noticed message on dashboard "place car in park to start car". Thought it was odd because I was driving. I then noticed car was off so placed in park (on the road btw) and started it up again. No more issues that day. Next morning, august 6th, car shut down again in nearly the same location. This time traffic was much busier and I was in right lane with cars behind me traveling 45-50 MPH and to the right was a merge lane with multiple cars coming over...car slowly glided into the merge lane as everyone became aware I was in distress and allowed me to move over. Car would not restart and was actually locked in park, so I was unable to move car from traffic lanes. Called police and tow truck who brought it to a jeep dealership. It was a very dangerous situation to be in during early morning commute time. Now its saturday and I have no communication as to what the problem may be, so I searched some internet and learned this has been going on for awhile with jeeps. I was provided a loaner car by the dealership.

Filed Jul 10, 2020 · Engine, Transmission · 350 miles · CA

After only 350 miles my engine started sputtering and had to pull over. By the time we stopped the car the sputtering was violently shaking the vehicle. We had to get it towed only for the dealer ship to take several hours to replace a spark plug. - at almost all time there the air conditioner never seems to get to the desired temperature for more than 20 seconds. When at a stop, the A/C is non existence and temps drop significantly. Unless you have it set to max A/C it will never feel cold/hot. - the transmission is extremely rough at all times, it can jerk you back and forth while it switches gear.

Filed Jan 7, 2020 · Acceleration, Engine · 250 miles · AZ

When using the rear park assist, with my foot completely off the accelerator, the vehicle has spontaneously accelerated while going in reverse, requiring me to hard break to avoid collision. This has happened multiple times.

Filed Jan 7, 2020 · Acceleration, Engine · 350 miles · AZ

With my foot completely off the accelerator, the vehicle spontaneously accelerates under certain conditions. While in standard or sport mode, in second gear going about 20mph, there is a reproducible RPM surge that causes the vehicle to lunge forward. This somewhat feels like being rear ended.

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