Other powertrain problem on the 2011 Toyota Corolla
When other powertrain problem gets reported
Owners of the 2011 Toyota Corolla report other powertrain problem at a median of 5,000 miles. A quarter of the reports come in before 500 miles and a quarter after 30,000 miles, from 10 reports that carried an odometer reading.
A part like this is normally expected to survive 92,000 miles. It is the 10th most-reported problem on this model year.
The mileage distribution
The reported range runs from 100 miles at the tenth percentile to 70,000 miles at the ninetieth, a spread of 71,505 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.
80% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 95 miles | 450 miles | 2,750 miles | 27,919 miles | 71,600 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
Putting it right typically runs $400–$4,500 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 24 model years of this car. It shows up earliest on the 2017, at a median of 5,000 miles, and latest on the 2000 at 120,000 miles.
By volume the 2003 carries the most reports, with 42; the 2011 has 11. 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.
Immediately after purchase we noticed a transmittion problem where there was a fluxuation of RPM while driving at 40 - 65 MPH. The computer is telling the transmittion to shift for some unknown reason. It can not find a cruse gear to remain at speed. *tt
I purchased the car 4/22/11, two weeks later it began jerking and bucking. I thought it was me so at first I did not say anything. After some time it became a regular occurrence. Then on 2 occasions it accelerated on it's own. Even when I applied the brakes it was not slowing down. Finally it did but I was scared I was not going to be able to stop. I took the car to the dealer and, of course, it did not do it. They checked it and told me all was normal. Two days later the jerking and bucking returned and it drove itself again just the other day. The jerking and bucking occurs between 40 and50 MPH. However, the other day it occurred at 35 and 55. When this happens the tach. Dips and dives and the mpg gauge drops to 99.9 . No warning lights come on. This car scares me !!!!!!!!! I have found other people complaining of the same problem and doing all the same things I am doing including this report but to no avail. Toyota is doing nothing about this problem. I called them to report this on tuesday 7/19/11 they gave me a case # and told me a manager would call me by friday. I received no call. *tr
Intermittent deceleration issue: while driving and I take my foot off the gas to slow down, the car maintains the speed and does not decelerate until I put my foot on the brake. Takes few minutes to decelerate from 60 to 40, if you not gonna step on brake car still going with the same speed, and RPM does not drops. So unsafe. Scary to drive!!!! *tt
Also reported on the 2011 Toyota Corolla
Airbag inflator rupture
Other steering problem
Other speed control problem
Other body or interior problem
Cruise control failure
Other brake problem
How far this goes
Complaints are voluntary, so 11 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 powertrain problem happen on the 2011 Toyota Corolla?
Across 10 owner reports that included an odometer reading, half were filed by 5,000 miles. A quarter were filed before 500 miles and a quarter after 30,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is other powertrain problem on the 2011 Toyota Corolla?
11 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