Engine complaints and recalls from NHTSA
Summary
The 2021 Jeep Gladiator has 15 NHTSA engine complaints and 0 engine-related recalls.
15
Complaints
0
Recalls
1
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Jul 10, 2025 | ENGINE | The contact owns a 2021 Jeep Gladiator. The contact stated that while driving at 60 MPH, there was a... |
| May 12, 2025 | ENGINE,FUEL/PROPULSION SYSTEM | Multiple cylinders miss fire, Camshaft 1 position slow responding. cylinder2, 4, and 6 repeatedly mi... |
| Apr 1, 2025 | ENGINE | Failed Right intake camshaft and roller rocker arm. Failure causes misfires and limp mode to be acti... |
| Aug 12, 2023 | ENGINE | The contact owns a 2021 Jeep Gladiator. The contact stated that while operating the vehicle a valve ... |
| Sep 22, 2022 | ENGINE | 2021 JEEP GLADIATOR. CONSUMER WRITES IN REGARD TO STOP/START SYSTEM NOT FUNCTIONING. THE CONSUMER S... |
| Jun 4, 2022 | ENGINE | Engine oil temperature reached 265 degrees while towing within capacity - engine derated power and I... |
| May 31, 2022 | ENGINE | 3.0 EcoDiesel in the Jeep Gladiator has cooling issues. Thousands of users affected and discussing o... |
| Apr 24, 2022 | ENGINE,FUEL/PROPULSION SYSTEM | When operating the vehicle under heavier loads (5%+ grades, towing even light trailers, higher highw... |
| Aug 12, 2021 | ENGINE | Overheating during normal driving. |
| Aug 1, 2021 | ENGINE AND ENGINE COOLING | The contact owns a 2021 Jeep Gladiator. The contact stated that while driving at an undisclosed spee... |
| Jun 25, 2021 | ENGINE | I was driving the vehicle, while towing a 5000lb trailer (vehicle tow rating is 6000lb), up a 4-5% ... |
| Apr 28, 2021 | ENGINE,FUEL/PROPULSION SYSTEM,VISIBILITY/WIPER | The vehicle auto starts when the defrost is turned on below the max or full setting. The owner’s man... |
| Apr 22, 2021 | ENGINE,FUEL/PROPULSION SYSTEM | The vehicle auto stops when the defrost is turned off, in direct conflict with owner’s manual. The o... |
| Apr 20, 2021 | ENGINE,FUEL/PROPULSION SYSTEM | The vehicle randomly stalled out / died while idling, with the clutch pedal fully engaged. This pose... |
| Jan 22, 2021 | ENGINE,FUEL/PROPULSION SYSTEM | The vehicle’s throttle bounces and surges off idle, in direct opposition to the driver’s inputs to t... |