2020 Jeep Grand Cherokee engine problems
56 of the 239 complaints owners filed with NHTSA about the 2020 Jeep Grand Cherokee name the engine (NHTSA’s “Engine” heading — the engine and its cooling system). Filed under the same heading: 98 manufacturer bulletins, 1 recall. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.
What owners filed about the engine
Source: NHTSA complaint database0 of the 56 reports a crash · 3 a fire · 0 injuries. Self-reported, unverified.
Filed per year: 2020: 9 · 2021: 4 · 2022: 5 · 2023: 8 · 2024: 3 · 2025: 18 · 2026: 9
Half of the 20 owners who gave an odometer reading reported the engine problem between 4,000 and 50,000 miles. A median of reports, not the life of a part.
239 complaints in all about the 2020 Jeep Grand Cherokee, 9 filed in 2026. The whole picture, every system →
Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Engine” means the same area of the vehicle, not one fault.
Across model years: Jeep Grand Cherokee engine problems, every year on file →
In owners’ own words
Source: NHTSA complaint databaseFiled with NHTSA by the people who own these cars, about the engine. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.
Updating NHTSA 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
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.
Jeep caught fire while parked. Origin of cause states right side of engine is fire origination
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.
2020 Jeep Grand Cherokee overland. Consumer writes in regards to engine trouble. The consumer stated the engine failed while driving. The dealer and manufacturer were notified
What is on file about the engine
Source: NHTSA recalls, investigations and manufacturer communicationsRecall filed under this heading
- 23V411000 HighJun 8, 2023 · 80,629 vehicles
- 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.
98 manufacturer bulletins filed under this heading
- 112639 Service bulletinJun 30, 2026
- THROTTLE BODY – NONE
- 112640 Service bulletinJun 30, 2026
- THROTTLE BODY – NONE
The 2 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.
Trouble codes named on this system
P0128 P0303 P0733 P0301 P0302 P0304 P0305 P0197
Codes a bulletin or an owner’s complaint about the 2020 Jeep Grand Cherokee names on this model year; a code with a record of its own links it.
Other systems with a record on the 2020 Jeep Grand Cherokee
Source: the same files- electrical problems 73 complaints
Common questions
Source: NHTSA complaint database, recalls and manufacturer communicationsAre engine problems common on the 2020 Jeep Grand Cherokee?
They are documented: NHTSA holds 56 owner complaints naming the engine on this model year (23% of everything owners filed about it), and 98 manufacturer bulletins, 1 recall are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.
Is there a recall for the engine on the 2020 Jeep Grand Cherokee?
Yes — one campaign is filed under this heading: 23V411000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.
When do engine problems show up on the 2020 Jeep Grand Cherokee?
Owners who gave an odometer reading reported it at a median of 13,100 miles; half of them between 4,000 and 50,000. That is when reports cluster, not the life of a part.
What does NHTSA's "Engine" heading cover?
The engine and its cooling system. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.