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10.0

really awful
Crashes / Fires:
2 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
409 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2021 Jeep Wrangler engine problems

engine problem

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2021 Jeep Wrangler Owner Comments (Page 1 of 2)

problem #22

Jul 052024

Wrangler

  • miles

A D V E R T I S E M E N T S

July 2024 -?" driving over 40 mph the Rubicon on a busy two-lane highway with my [XXX] and lost all acceleration. Interior warning lights started flashing with the warning, -??Service Electric Throttle Control.-?? As this was up hill, there I nearly started going backwards and two vehicles swerved around me as I was able to pull over. As cars honked that drove by, I turned the vehicle off which was at this point, making a rattling/wobbling noise. I turned the vehicle back on and off at least three times, with hybrid vehicle working. As I was two miles from home, I was able to get back with the vehicle dropping acceleration (with no horsepower and no ability to go on gas mode) twice until I rolled back in basically neutral. We called USAA to have the vehicle immediately towed to Jeep Rairdon in Kirkland, WA. Jeep Rairdon said they would do an inspection three days later where they will assess if we can get a loaner. It-??s sitting in their service lot with no info. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Snoqualmie, WA, USA

problem #21

Jun 232024

Wrangler

  • miles
While driving my vehicle in four-wheel-drive low, with no lockers engaged I noticed that the rear wheels at different times were dragging, I could also hear and feel the ABS module actuating. During these events I would have diminished breaking capabilities and no ABS warning lights. it was doing it under 5 miles an hour at first and then higher speeds. I got a service ABS, service traction control, service stability control, four-wheel-drive unavailable, service four-wheel-drive system Messages all of a sudden, and i disengaged the four-wheel-drive lover back to 2 Wheel Drive. At this point the brake pedal was hard and would not move, my back left wheel was completely locked. I shut the vehicle down waited a few minutes and restarted it, all of the lights were still active but I was able to move the vehicle. I began traveling forward and the rear wheels alternated locking up. I started backing up to move to a safe position, the brake pedal became hard and I was unable to stop causing my vehicle to collide with a wall, speed was below 5 miles an hour but still caused damage to my left rear quarter panel and fiberglass top. After we assessed the damage, I put the vehicle in 2 Wheel Dr., disconnected the battery for 30 minutes, and was able to drive the vehicle to a parking lot in 2 Wheel Dr. After this point and not having phone service, use a satellite communicator to call a local off-road recovery nonprofit that I volunteer for, they were able to assist in bringing a trailer out to tow my vehicle home as it is unsafe to drive and my children were with me. Unloading the vehicle off the trailer all the lights were gone with the exception of a check engine light is now on. The vehicle is currently sitting in my driveway and will be requesting a tow to the local dealership for them to troubleshoot.

- Henderson, NV, USA

problem #20

Feb 142024

Wrangler

  • miles
My 2021 Wrangler began experiencing a violent shaking and reduction of steering control in July 2023. The violent shaking would begin if my vehicle hit a bump while traveling at 65 mph or more. To regain control, I would have to brake and reduce speed to under 65mph (which also is extremely dangerous to do on a freeway). Thunder Jeep in Bartow, FL replaced a broken steering component that temporarily fixed the issue. The issue has now returned in late January 2024. I do not feel safe driving this vehicle.

- Auburndale, FL, USA

problem #19

Oct 172023

Wrangler

  • miles

A D V E R T I S E M E N T S

When driving above 50mph, when I drive over a road seam, the car shakes almost uncontrollably. I have to slow down to make the car stop shaking. I have brought the car to Jeep service THREE TIMES in a period of 12 months. Still having the same issue. It is very dangerous. I cannot rely on this car (only 3 years old) to drive on a highway. Very dangerous!!

- Waterville, VT, USA

problem #18

Apr 012022

Wrangler

  • miles
When coming to a stop and electric power is depleted, the vehicle will engage the gas engine and accelerate through a brake. I have to fight the vehicle to come to a complete stop because the engine is pulling me forward through the brake. Due to the unpredictability of the braking system, I must leave a greater stopping distance than required and have almost been in accidents. CAUSE UNKNOWN. I believe the powertrain, engine, and braking systems are involved. The vehicle has been inspected by the dealership shop several times for this problem, and one software update was offered to try to fix the issue, but the issue is ongoing. Yes, the vehicle is available for inspection upon request.

- Hurst, TX, USA

problem #17

Jun 092023

Wrangler

  • miles
Dates of problem may 18 and June 9 The Jeep has engine light on the throttle control light is on I was driving on a highway and the vehicle completely went into limp mode would not go above 33 mph and almost caused an accident since the Jeep went into limp mode brought it to dealership they said the fixed it then a 2weeks later it happens again this time with my son in the car going 60 mph it does same exact thing this vehicle is a safety hazard for me and now I-??m afraid to drive it at all having to pay for towing and it-??s a leased vehicle just dosnt make sense to me what-??s the lemon law on this

- Ashland, OH, USA

problem #16

Apr 082023

Wrangler

  • miles

A D V E R T I S E M E N T S

While driving the vehicle will just go crazy all lights come and things stop working throttle control, etc. it-??s hard to control the vehicle

- Kingman , AZ, USA

problem #15

May 212023

Wrangler

  • miles
Car shut down in the middle of the highway at around 30 mph. While using the adaptive cruise control, i stepped on the gas to accelerate. The car then shut down and many warning lights came on. The car did not respond to restarting, shifting or anything. Screen just said charge fault error.

- Larchmont, NY, USA

problem #14

Apr 222023

Wrangler

  • 9,000 miles
The contact owns a 2021 Jeep Wrangler. The contact stated that while pulling into the parking space, the vehicle suddenly lunged forward crashing into the rear of a parked vehicle which then crashed into the rear of a second parked vehicle. The contact indicated that the vehicle lunged forward while the accelerator pedal was released in order to press the brake pedal. During the incident, no injuries were reported. A police report was taken at the scene. The cause of the failure was not determined. The local dealer and manufacturer was notified of the failure. The failure mileage was 9,000.

- Norh Bellmore, NY, USA

problem #13

Apr 192023

Wrangler

  • miles
Same issue as the last time, and the time before that. Very dangerous, battery completely fails. The instrument meters are wrong and it shows that there is gas when there is really not any gas. Also more recently, we were driving on the highway in the express lane in the car just suddenly came to a stop. We could have died - luckily there was no one behind us. I managed to get the car over partially into the other lane so people could go around. The car had to be towed and I-??m done paying for this.

- Boca Raton, FL, USA

problem #12

Nov 102021

Wrangler

  • miles

A D V E R T I S E M E N T S

When driving a faster speeds if I hit a bump my car starts shaking rapidly feeling like my tires are gonna fall off and doesn-??t stop until I pull over, took it to the dealer while under warranty and they told me there was nothing they could do about it or find the issue

- Wildomar, CA, USA

problem #11

Jan 252023

Wrangler

  • miles
While turning at low speeds (pulling into a parking spot) and the cruise control is turned on the "set cruise" button is elevated and can be accidentally hit. If the speed of the vehicle is under 20mph it will automatically set the cruise speed to 20mph causing the vehicle to accelerate. This elevated "set cruise" button actives the regular cruise and not the adaptive cruise. This has happened to me over a dozen times. I am lucky it has not caused a wreck.

- Cartwright , OK, USA

problem #10

Oct 162022

Wrangler

  • miles
The incident occurred when I attempted to shift the transfer case into 4-Low. The sequence of events is as follows: 1. I stopped the vehicle and shifted into Park. 2. With my foot on the brake, I shifted into neutral and attempted to move the transfer case lever from 4-High, to 4-Low. 3. As I started to move the transfer case lever, a warning appeared in the instrument cluster stating, "Vehicle speed too high to shift". 4. Auto-Park engaged 5. The engine, uncommanded, with my foot still on the brake, began to increase in revs slowly. 6. Check engine light illuminated, the engine continues to increase in revs. 7. When the engine reached 6-7k RPM, I hit the engine start/stop button and held it down until the engine turned off. The engine was still climbing in revs until this point. 8. I restarted the engine and could shift into 4-Low successfully. "Off-road cruise control disabled" warning light illuminated and remained on until I shifted back into 4-High. Check engine light remains on after multiple starts.

- Washington, DC, USA

problem #9

Sep 182022

Wrangler

  • miles
Vehicle loses power without warning. This has occurred numerous times, twice on a crowded freeway when I had to navigate across 5 lanes of traffic. Dealer was unable to isolate and repair the problem the first time. Vehicle is in for repair again. An internet search indicates this is not uncommon and at least two class action suits are pending. I'm shocked this life threatening fault has not already been reported to the NHTSA. Repair codes are : P1E1D control module improper wake up performance, U1817 Lost communication with hybrid powertrain control module on D-PT, U0293 confirmed, lost communication with hybrid control module.

- Lancaster, CA, USA

problem #8

Mar 272022

Wrangler

  • miles
Red Turtle warning light appears and the vehicle slows down immediately to 5~8 mph. Happens without warning and apparent triggers. Occurred multiple times in last week on freeways, exiting parking lot and on side road.

- Salt Lake City, UT, USA

problem #7

Feb 042022

Wrangler

  • miles
It has a Death Wobble, it-??s back in the shop this week, was in the shop last week as well. Same problem, no fix.Shakes Violently while I-??m on the Expressway with small children surrounded by 18 Wheelers on I-75.Very, Very Scary, I can-??t control the vehicle at all.Chrysler knows that they have a defective Jeep.No warning, it just appears out of nowhere. I can-??t live like this. I-??m on automatic payment, this is not fair to me as a Consumer. Please help me. Happened in: October 2021, November 2021, December 2021, January 27,2022, February 4,2022.

- Lake Orion , MI, USA

problem #6

Jan 212022

Wrangler

  • miles
I have no technical no-how with cars so I will describe as best I can. We have a brand new 2021 Jeep Wrangler 4xe--bought it one month ago--and two weeks in, while driving, the check engine light came on. We were out of town so called the local dealer but they could not see us for three weeks. So we researched the issue and thought it could be a loose gas cap etc. We did some trouble shooting but nothing changed. Then, while driving, the entire dash lit up with various warnings, including the hybrid warning, and it just shut down. We were next to a parking lot and coasted in. Through a series of actions we were able to get it driving again and made it to another dealership. When we arrived all signals were gone and they could find no trouble codes to check. We were able to drive back home and we thought maybe it was the loose gas cap issue. We would have taken it into the dealership as a precaution, but service appts are weeks out. And it drove fine for several days. Then our daughter was driving it on an extremely busy and dangerous road. Luckily she'd just turned off it into our neighborhood--but she was still driving at a decent speed--and all of a sudden all the warning lights came on again, including the hybrid signal, and the car completely shut down on her. Stopped mid-drive and mid-road. We now have had it towed to the dealership. We have also read all the similar stories now with Jeep 4xes and have serious concerns about the extent of this issue and thus the safety of the vehicle. The dealership can't look at it for weeks, but we have already contacted sales to see what they can do. I feel like it could take months to work out what is happening here--especially with service backups--and I do not feel safe with any of our family members doing a back and forth on this until we find out that a serious recall in underway.

- Atlanta, GA, USA

problem #5

Dec 142021

Wrangler

  • miles
Vehicle lost power while driving at highway speed, rapidly decelerating from 70 MPH to <20 MPH. Ignition was turned off after pulling off the highway. When vehicle restarted, alarms cleared and system temporarily operated normally. Problem returned shortly thereafter, but this time did so while accelerating across a street. This condition could have jeopardized safety of self or others by eliminating ability to maneuver/stranding vehicle in roadway. This incident was reported to dealership, who then inspected/investigated. Source is thought to be a faulty fuel pressure sensor. Warning lamps that accompanied this condition were: Check Engine, Sway Bar Link disconnected, and check 4-wheel drive. The check engine light appeared and reset approximately 60 miles prior, and no other symptoms were noted.

- Elk Grove, CA, USA

problem #4

Oct 252021

Wrangler

  • miles
Description: - Recurring on multiple occasions - Multiple lights on the dash come on. They may flash or persist - i.e. engine light, turtle light, crash avoidance light, among others. - The vehicle loses power (it-??s a hybrid). This includes the motor and the engine. - The steering is compromised. You cannot steer the vehicle very well during this loss of power. - The vehicle usually will not restart and must be towed in or, in some cases, the battery can be disconnected causing the vehicle to reset and allowing it to begin operating again. This solution can work for a several power cycles or none at all. - When this happens, and you attempt to restart the vehicle sometimes when the power returns you are unable to tell if the vehicle is in neutral, drive, reverse, park, etc. - I experienced a case where the vehicle was in the Run position and the power windows would not open. When it was in the Off position, the windows would open. Perhaps this is intended behavior. - The seatbelt light will stay on even though all passengers in the vehicle are buckled in. It is unclear if this is part of the same issue, but it seems to be. - Systems compromised: Steering, braking, power/engine, seatbelts, etc. Examples of Incidents: - Driving in neighborhood (Safe Location) - Driving at highway speed (Unsafe Occurrence) - Driving on an off-road trail (thankfully with others) (Unsafe Occurrence) - Driving at highway speed - We almost crashed twice trying to get off the hwy. (Unsafe Occurrence) Compounding Safety Issues: - Roadside Assistance didn-??t show up after ~7 hours waiting. - FCA-??s utter confidence in the repair process is scary to me. - Confidence apparently based on recent software updates to the system, which was installed in a prior visit. The FCA rep wasn-??t initially aware the vehicle was back in for service 2 days after installing the latest firmware. - Lack of ability to update software OTA (over the air).

- Spring, TX, USA

problem #3

Jul 302021

Wrangler

  • miles
While driving on 131 northbound just before the Saginaw croton exit my Jeep lost power I was in the left lane had to merge across to the right to exit and all the lights were on noting charging system needs service I got off highway onto ramp and coasted to side of ramp and realized it was not even on anymore. I immediately shut it off checked my uconnect app for a service warning and it said charging system failure all the lights on the dash were alerting me until it shut down I sat for a bit and tried to start it and it did but was jerky when attempting to drive. I switched to esave and the engine kicked in but was also doggy. I had 60% battery so I-??m not sure what happened. I attempted to plug in when I got home and it blew breakers anywhere I attempted to plug it in and made a very loud pop! I didn-??t try it anymore at home as it scared me. Contacted the dealer and two weeks later it-??s at the shop. They have no idea what is going on - it-??s acting up but now doesn-??t even put the info into the log according to my service technician at the dealer. They are waiting on Chrysler engineers to get back to them with what to do.

- Howard City, MI, USA

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