Differential or transfer case failure on the 2011 Jeep Grand Cherokee
1 crash 1 of the 9 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 differential or transfer case failure gets reported
Owners of the 2011 Jeep Grand Cherokee report differential or transfer case failure at a median of 60,000 miles. A quarter of the reports come in before 50,000 miles and a quarter after 60,000 miles, from 9 reports that carried an odometer reading.
A part like this is normally expected to survive 110,000 miles. It is the 33rd most-reported problem on this model year.
The mileage distribution
The reported range runs from 1,400 miles at the tenth percentile to 75,000 miles at the ninetieth, a spread of 72,800 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 |
|---|---|---|---|---|
| 1,400 miles | 49,000 miles | 58,311 miles | 60,000 miles | 74,200 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, 1 a crash is 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 $900–$4,200 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.
The same failure on other years
The same failure is reported on 23 model years of this car. It shows up earliest on the 2021, at a median of 5,000 miles, and latest on the 2016 at 125,000 miles.
By volume the 1999 carries the most reports, with 115; the 2011 has 9. 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.
Transmission shifted into 4 wheel drive (4WD) low, suddenly, accompanied by a clunk and change in vehicle speed from downshifting. Lights came one in the dash indicating loss of traction control and 4WD service needed. This event continued to happen sporadically while driving until we made it back to the dealership. Since downshifting into 4WD low occurred while driving at normal roadway operating speeds (approximately 20-40 MPH) it certainly felt like a safety issue, compounded by the fact that traction control was lost as a result. Once back at the dealership, the service department found that the transfer case had an internal failure. The vehicle was in the shop for about 3 weeks and while the transfer case was replaced under warranty. Due to this negative experience with the vehicle we no longer felt safe driving it, and ended up trading it in for another vehicle just a few weeks after getting it back from the shop.
Transmission shifted into 4 wheel drive (4WD) low, suddenly, accompanied by a clunk and change in vehicle speed from downshifting. Lights came one in the dash indicating loss of traction control and 4WD service needed. This event continued to happen sporadically while driving until we made it back to the dealership. Since downshifting into 4WD low occurred while driving at normal roadway operating speeds (approximately 20-40 MPH) it certainly felt like a safety issue, compounded by the fact that traction control was lost as a result. Once back at the dealership, the service department found that the transfer case had an internal failure. The vehicle was in the shop for about 3 weeks and while the transfer case was replaced under warranty. Due to this negative experience with the vehicle we no longer felt safe driving it, and ended up trading it in for another vehicle just a few weeks after getting it back from the shop.
Vehicle refused to turn over, service 4x4 and engine light on. Brought to dealer replaced fuel pump. Returned to me with service 4x4 and engine light on, slid down on hill no 4 wheel drive. Returned to dealer 4 weeks later transfer case replaced car jump into 4 wheel low while I was on highway almost put me thru windshield. Back at dealer over 1 week the do not know the problem and stated no one on their country wide database has this problem. I was told today that jeep headquarters wants all reports sent to them to assist repair. I purchased this car used in october and have not driven it more then 1 week. I have a huge payment and huge rental bills I did file a case with jeep customer but no help. *tr
Also reported on the 2011 Jeep Grand Cherokee
Other electrical problem
No-start or intermittent start failure
Other brake problem
Fuel pump failure
Other engine problem
Other fuel system problem
How far this goes
Complaints are voluntary, so 9 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 differential or transfer case failure happen on the 2011 Jeep Grand Cherokee?
Across 9 owner reports that included an odometer reading, half were filed by 60,000 miles. A quarter were filed before 50,000 miles and a quarter after 60,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is differential or transfer case failure on the 2011 Jeep Grand Cherokee?
9 reports have been filed with NHTSA, about 0.1 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