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EnginePart report

2020 Jeep Grand Cherokee Engine Problems

Complaints
50about this part
Share
21%of 241 total for the year
Median mileage
5,742miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 50 complaints about the engine of the 2020 Jeep Grand Cherokee, 21% of the 241 complaints for this model year. Where a mileage was given, the median is 5,742 miles. 3 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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. …”

NHTSA complaint #11344070, filed 2020-08, 7,100 miles

“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.”

NHTSA complaint #11349166, filed 2020-08, 8,246 miles

“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.”

NHTSA complaint #11297670, filed 2020-01, 250 miles

“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. …”

NHTSA complaint #11376779, filed 2020-11, 329 miles

“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. …”

NHTSA complaint #11338533, filed 2020-07, 350 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
20262271%
20252329%
202410943%
20238621%
20225119%
20216115%
20205021%
20196417%
201812515%
201710228%
20167624%
201520415%
201440917%
201310613%
201228517%
201134421%
20102118%
20092216%
200810715%
200717015%
200612410%
20051347%
2004353%
2003162%
2002262%
2001192%
2000342%
1999221%
1998141%
1997152%
1996172%
199530%
199431%
199310%
1989120%

Other parts of the 2020 Jeep Grand Cherokee

Electrical system
74 complaints
Other or unknown
64 complaints
Transmission and drivetrain
39 complaints
Fuel system
21 complaints
Air bags
17 complaints
Vehicle speed control
15 complaints
Brakes
13 complaints
Steering
13 complaints
Forward collision avoidance
9 complaints
Back-over prevention (rear camera)
8 complaints
Body and structure
8 complaints
Suspension
8 complaints

← All problems reported for the 2020 Jeep Grand Cherokee

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology