Other speed control problem on the 2008 Jeep Grand Cherokee
5 crashes 1 injury 6 of the 19 reports for this failure mention a crash, a fire, an injury or a death. Those are the owner's words on the complaint form, not a verified finding, and one report can mention more than one.
When other speed control problem gets reported
Owners of the 2008 Jeep Grand Cherokee report other speed control problem at a median of 90,000 miles. A quarter of the reports come in before 55,000 miles and a quarter after 105,000 miles, from 18 reports that carried an odometer reading.
A part like this is normally expected to survive 78,000 miles. It is the 9th most-reported problem on this model year.
The mileage distribution
The reported range runs from 10,000 miles at the tenth percentile to 125,000 miles at the ninetieth, a spread of 114,960 miles across the middle 80% of reports.
A spread this wide points at use rather than design. Towing, climate, service history and city mileage all move a failure like this, so the median is a weak guide to any individual car.
22% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 11,100 miles | 57,230 miles | 89,000 miles | 106,500 miles | 126,060 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Of these reports, 5 a crash and 1 an injury are mentioned. Owners write their own complaints and the agency does not verify them, so read this as what the reports say happened rather than as a confirmed count.
Putting it right typically runs $250–$2,000 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
This mode is classified as critical, which means a failure can leave the car unable to stop, steer, or stay out of the way of traffic. It is weighted accordingly in the risk score.
The same failure on other years
The same failure is reported on 28 model years of this car. It shows up earliest on the 2020, at a median of 2,300 miles, and latest on the 1998 at 125,000 miles.
By volume the 2005 carries the most reports, with 58; the 2008 has 19. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Tl* the contact owns a 2008 jeep cherokee. She experiences unintended vehicle acceleration during brake application. Also when applying pressure to the accelerator pedal, the vehicle will hesitate then accelerate. The rpms will increase without vehicle acceleration. The vehicle was taken to the dealer , but because the technicians could not duplicate the failure, they could not provide a remedy. No repairs have been made. The failure mileage was 2000. The current mileage was 28000.
Tl*the contact owns a 2008 jeep grand cherokee 4x4. While driving 10 MPH the vehicle accelerated on its own when she put it in neutral gear. She engaged the brake pedal when the vehicle started to decrease in speed and then turned it off. She was able to restart the vehicle and take it to a dealer who was unable to duplicate the failure. The diagnostic test performed by the computer indicated that the accelerator pedal was engaged up to 90 MPH. The vehicle will be repaired when the parts are available. The failure has occurred 3 times. The failure mileage was 18152 and the current mileage was 18160.
My parents purchased a brand new 2008 jeep grand cherokee limited. I was driving the vehicle on july 11, 2008 in my neighborhood to pick up some food with my 8 months pregnant sister in law. As I drove the vehicle it accelerated without me pressing on the gas and I lost control and the vehicle hit approximately 3-4 parked cars, I landed in the trunk of another vehicle, on top of it. If it wasn't for the vehicles parked, I don't think the jeep would have stopped. Luckily no one was hurt badly and the airbags were not even deployed. This incident has really affected me and the way I drive. I do not even like to be a passenger in jeep vehicles anymore. In january, 2010 my mother dropped her car off at a garage to have it parked. She was called from the garage that the vehicle had been in an accident. The vehicle once again accelerated in reverse and there was damage to the vehicle as well as the garage. Jeep cherokee's are extremely faulty, always in the dealership with some issue. This is not a coincidence. This needs to be taken seriously. People can lose their lives if these vehicles are not recalled. *tr
Also reported on the 2008 Jeep Grand Cherokee
Other electrical problem
Ignition switch, key fob or immobilizer failure
Other engine problem
No-start or intermittent start failure
Other powertrain problem
Stalling while driving
How far this goes
Complaints are voluntary, so 19 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does other speed control problem happen on the 2008 Jeep Grand Cherokee?
Across 18 owner reports that included an odometer reading, half were filed by 90,000 miles. A quarter were filed before 55,000 miles and a quarter after 105,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is other speed control problem on the 2008 Jeep Grand Cherokee?
19 reports have been filed with NHTSA, about 0.3 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed