The contact owns a 2021 Jeep Gladiator. The contact stated that two years ago the vehicle was taken to a dealer to be repaired under the federal safety agency Campaign Number: 23V116000 (Power Train); to prevent the clutch from overheating. However, the failure started after the vehicle was repaired under the recall repair. The contact stated that while driving, there was smoke coming from under the hood. The manufacturer was notified of the failure, and the vehicle was taken to an authorized dealer to be diagnosed; however, the dealer was unable to perform the inspection or confirm the failure due to the age and mileage on the vehicle. The contact stated that the software update included a transmission kill switch to be activated whenever the clutch overheated, but the kill switch failed to operate as intended. The message that the clutch was overheating was displayed on the instrument panel during the failure. There was a burning odor and smoke during the failure. The manufacturer was made aware of the failure. The failure mileage was 26,000.
Jeep Gladiator overheating problems
17 of the 999 owner complaints about the Jeep Gladiator describe engine overheating, most of them for the 2020 model year.
- owner complaints
- 17
- worst model year
- 2020
By model year
Often reported together
Engine failure 4Loss of power 3Transmission failure 2Slipping 2Misfire 2Fire or smoke 2Whining noise 1Check engine light 1
Trouble codes mentioned
P0300 2
What owners say
Clutch overheated and cause an immense amount of smoke during drive with no warning indication from hud. Dealer stated that clutch has gotten well passed 390°c Heat from clutch has also caused front driver caliper to lock up and damage rotors.
My 2024 Jeep Gladiator is subject to Recall 21D (the federal safety agency 26V‑363). The recall warns of a fire risk while parked due to overheating of an electrical connection. Owners have been instructed to park away from structures and other vehicles, but there is currently no remedy available. I am concerned about the safety risk and the lack of an available repair.
Engine failure due to coolant leak: in December, 2025, vehicle was towed to dealership due to overheating engine. While driving home from work, Vehicle was exhibiting engine overheating including temperature warning lights, temperature gauge fluctuating from normal to extremely high, a strange sound coming from the front of the vehicle (almost like a fan was not working) and running rough, like a diesel idle. I immediately pulled the vehicle off to the side of the road & shut it off. (Fortunately engine didn’t seize or exhibit these symptoms while I was on the highway just minutes before) I called dealership & they said it needed to be towed in. After having my vehicle for 10 days, Dealership stated thermostat needed to be replaced. Vehicle then exhibited same symptoms a few weeks later along with a check engine light, vehicle is returned to dealership. Dealership NOW tells me they’ve “seen enough of these to know that it’s most likely going to need a left side cylinder head” due to coolant leak into the engine. I am now aware there have been multiple reports to the federal safety agency for similar issues and that a service bulletin has been issued to the dealerships for this very reason: its a KNOWN issue with no recall in sight. Jeep at this juncture, acknowledging it’s a problem, REFUSES to assist with very costly repair, instead suggesting I should report to the federal safety agency.
The information screen in the instrument cluster between the speedometer and tachometer went blank. Sometimes it will light up blue or even function. The screen is the display for fuel, temperature, odometer, gear selected, etc. From what I have read this happens to many of these vehicles. The fix dealers are using is to use remanufactured parts which are back ordered with no known date of delivery. I am informed the remanufactured part is about $500 not including labor. The vehicle will run and drive, however I won't know how much gas I have, I don't know if the vehicle is overheating, and I don't know how many miles I have traveled without trying to track it. If I want the new part to have an accurate odometer I have to leave it with the dealer for an unknown period of time. This seems potentially unsafe and likely to impact many vehicles given that the part is remanufactured and back ordered. A systemic flaw of this nature seems like something which could warrant a safety recall.
I am filing a safety complaint regarding repeated and unresolved transmission issues with my Jeep. The vehicle has undergone two full transmission replacements after a $10,000 repair, yet critical symptoms persist, including transmission overheating (up to 240°F) and a loud whining noise while accelerating. These problems continue despite no warning lights or diagnostic codes, creating a false sense of safety. On August 4, 2025, the vehicle reached 240°F and produced loud mechanical noise while driving. This mirrors the same symptoms from before the original transmission repair and represents a clear safety hazard. These issues put me at risk of sudden transmission failure, loss of power, or loss of control while driving. The dealer has confirmed the overheating and replaced the transmission twice, but the problem remains. A brake hookup was also installed incorrectly, causing additional safety concerns that were only corrected after my insistence. Despite multiple service visits, Jeep refuses to: Provide a loaner vehicle Escalate to a corporate-level inspection Offer a buyback or reimbursement Jeep offered only an extended warranty with a deductible, which I declined as inappropriate given the unresolved repair. I have also submitted a formal legal demand to Jeep, which remains unanswered. The lack of diagnostic codes paired with dangerous symptoms and unresolved failures is deeply concerning. This issue should be investigated for a potential defect in the transmission system or software diagnostics. I request that the federal safety agency investigate this matter and that Stellantis/Jeep be held accountable for unsafe practices and poor post-repair support.
To Whom It May Concern, I hope this message finds you well. I am writing to formally report a serious mechanical failure involving my 2020 Jeep Gladiator (VIN: [XXX] ), which recently experienced a complete engine lock-up without any prior warning signs. The vehicle is now inoperable. Given the severity of the issue, I am requesting a thorough review under the manufacturer’s 5-year/60,000-mile powertrain warranty, as well as an investigation into any applicable recalls or technical service bulletins (TSBs) that may relate to this failure. For your reference, I am aware of the following known issues tied to this vehicle model: Recall 21V‑028 – Clutch overheating and potential fire risk (manual transmission) TSB 18-024-21 – PCM software update and possible camshaft replacement (associated with Code: P0300) Notably, my vehicle exhibited no prior symptoms—such as loss of power, engine misfires, dashboard warnings, or burning odors—prior to the engine failure. I respectfully request the federal safety agency’s assistance in confirming: Whether my vehicle is currently subject to any open recalls or safety investigations Whether this type of engine failure has been reported by other 2020 Jeep Gladiator owners What recourse is available to owners under federal warranty or safety defect protections if the dealership is unable or unwilling to resolve the issue I can be reached directly at [XXX] or via email at [XXX] . I appreciate your time and urgent attention to this matter and hope we can find a swift and fair resolution. Sincerely, [XXX] VIN: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
To Whom It May Concern, I am writing to formally report a serious mechanical issue involving my 2020 Jeep Gladiator (VIN: [XXX] rienced a complete and unexpected engine lock-up. The vehicle is now undrivable and presents both a functional and potential safety concern. Prior to this failure, there were no warning signs—no engine misfires, loss of power, burning smells, or dashboard warning lights. The incident occurred suddenly and without any preceding symptoms. I am aware of several issues affecting this model year, including: Recall 21V‑028 – Involving clutch overheating and potential fire risk in manual transmission vehicles TSB 18-024-21 – Pertaining to PCM software updates and camshaft replacement due to engine misfire (P0300) While I understand that technical service bulletins do not carry the same weight as recalls, the combination of TSB-related concerns and my complete engine failure raises questions about broader mechanical reliability and consumer safety. I have reached out to the dealership (Napleton’s River Oaks CDJR) to request evaluation and warranty support under the 5-year/60,000-mile powertrain coverage. However, I am also submitting this report to the federal safety agency for documentation and investigation purposes, in the event this issue reflects a larger pattern affecting other vehicles of the same make and model. I respectfully request that the federal safety agency review this case and consider whether further investigation is warranted, particularly if other consumers report similar issues. Please feel free to contact me if additional information or documentation is needed. I can be reached at [XXX] or [XXX] k y [XXX] n t [XXX] ely, [XXX] Vehicle: 2020 Jeep Gladi [XXX] ] INFORMATION REDACTED [XXX] ] INFORMATION ACT (FOIA), 5 U.S.C [XXX] ATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
This is in regards to the current the federal safety agency investigation PE24024. I work at an automotive repair shop in Fort McMurray, Alberta, Canada. We have a customer with a number of Jeep Gladiators that they use for their business (surveying on a local mine site). We have had six of them come in and we have noted that it seems like the relays in the under hood fuse panel appear to have been hot/overheating. See attached pictures. I have no idea if this is related, of course, but I did want to submit the pictures for your review. We have been unable to determine why the relays are doing this. Note that I am not the owner of the VIN provided.
Manual Transmission started slipping/malfunctioning related to overheating. Jeep dealership stated it was driver issue, and nothing else was wrong with manual trasmission. Dealer charged me $3500 to repair/replace transmission @ 35000 miles. Dealer refusedto cover repairs and repeatedly stated there was no issues with factory manual transmissions. Filed claim under Manufacturers website and nothing has been done. note: manual transmission was replaced with OEM manual transmission, and no recall work was performed. Replacement transmission is now showing signs of slippage due ti overheating.
Related recalls
Engine
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.
- Risk
- An engine stall can increase the risk of a crash.
- Remedy
- Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1‑800‑853‑1403. Chrysler's number for this recall is Z96.
Recall number 22V767000 · Recall details
Questions about the Jeep Gladiator overheating
Which Jeep Gladiator years have engine overheating problems?
The model years with the most reports are 2020 (9 complaints), 2021 (6 complaints) and 2023 (1 complaints).
VIN decoder
See the problems and recalls for an exact car
Buying a used Jeep Gladiator?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history