Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2011 Ford Mustang owners, lightly cleaned up (personal details are redacted by NHTSA).
Odometer Fraud. The contact purchased a 2011 Ford Mustang. The contact stated that while attempting to service the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 174,000 and at the time of registration, it was discovered that the mileage was 298,000.
Electrical system problem. There does not seem to be a trigger in regard to rain, hot, or cold weather conditions or how it is being driven. I have had a Ford dealership work on this to no avail. I will start with the safety aspect that is affected. It will do all of these things at once and then slowly come back online, sometimes the errors do not correct themselves. 1. No brake lights 2. No rear turn signal 3. No heat/air (it will turn on and off) - which is bad in inclement weather for old people 4. Brake light, traction control light, tire pressure monitor, service engine, all have errors. 5. Radio will turn on and off. It will cycle through these things failing, they May fail multiple times per minute or just stay in fail mode, or they May just correct themselves. This started to happen infrequently and slowly stepped up to very frequently. …
The last two mustangs I purchased (both were new cars) developed electrical issues after the warranty expired. My current 2011 Mustang has had numerous electrical issues within the cabin of the car. In addition to the electrical issues, the hood developed problems with the paint such as bubbling, peeling and rusting. My frustration with Ford grows more intense each time the air-conditioner, along with numerous other devices associated with the dashboard, quits operating and the windows will not function. I often find myself encountering this issue on a ninety plus degree day. The electrical issue can occur when moving or at a complete stop. There is no pattern to when it happens, or which electrical items will quit functioning. It does happen more often with warmer temperatures and the air-conditioner is in use. However, it also occurs when the air-conditioner is not in use.
Tl* the contact owns a 2011 Ford Mustang. While driving 75 MPH, the wrench icon illuminated on the instrument panel and the vehicle decelerated immediately. The vehicle was coasted to the side of the road and turned off. The contact restarted the vehicle and the wrench disappeared. The failure recurred. The manufacturer was notified of the failure, but did not offer assistance since the VIN was not included in a recall. The failure was not remedied. The contact received notification of NHTSA campaign number: 15V319000 (air bags); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure with the air bags. The failure mileage was 58,000.
I am having major electrical issues which Ford will not address. Sometimes this is intermittent, sometimes it is constant. Here is what happens: I get a barrage of errors on the dash, the radio and air conditioner will cycle on and off multiple times (sometimes will remain off); rear brake lights stop working, rear turn signal stops working. It does this randomly, sometimes for an extended period. I worry that someone May not check the brake lights or turn signal and be severely injured or killed in an accident. I have alerted Ford about this and believe that it fell on deaf ears. The car can be in motion, stationary, city, highway, rain, snow, sleet, or sun, driven aggressively or gently. Nothing seems to trigger the problem, it just happens. The car has been garaged a large part of its life.
The car was in motion going down the interstate about 70 MPH. All of the sudden the car speed dropped slowly until it reached about 20 MPH with the gas pedal all the way to the floor and it would not pick speed back up. The service light came on and I pulled over. When the gas pedal was pushed while the car was in park it would not rev at all. Once the car was back in motion it would not go over 15mph. After the car was turned off and the battery reset the car was working like normal for a few days. Once again driving down the interstate out of nowhere the service light came on and the cars speed declined once again, once the car was turned off and reset it worked fine. This problem keeps happening with no warning
I was driving on the freeway going 60mph when all of a sudden my cars power just cut off and it went into limp mode and had the worst idle at 1100 RPM until I turned off the vehicle. I then turned it back on and the limp mode light went away but a few more miles up it cut power again and almost caused a wreck as I had to quickly think and get to the side of the freeway. It happened 2 more times that day til I got it home and got the engine code p2111. I found out later its a faulty throttle body that they used in fusions and other models and everyone is having this same issue of it randomly cutting off. It's a faulty throttle body that should be recalled!
Driving down an interstate a wrench came on the dashboard and car went into limp mode. Pulled off turned the car off and restarted it. Got to the destination OK but on the way back home the wrench came on again. Looked at the code and saw it was the p2111 code. It happened 4 times in the way, losing power and shaking. Taking it to Ford tomorrow to find out if it covered under the warranty. There was no recall in the car,however, I am noticing a lot of people are having this issue. This is a safety issue and should have a recall on it. From what everyone else is saying Ford is not doing anything to help or fix the problem.
With no warning the electronic throttle body will fail causing the car to rapidly decelerate to its idle speed. In my case it happened on a city street in heavy traffic while the car was in motion. The motorist behind me almost rear-ended my car, and several other had to come to a screeching halt. The problem is dangerous, since it can occur at any time in traffic. It continued to happen after turning the engine off and back on. Since the issue is known in other Ford vehicles of the same model year range, the company should be communicating the issue to customers and proactively replacing the faulty part.
Electric seat won't move. Have read countless others having same problem online. The issue is a factory defect. Magnets inside electric motor of power seats are put in place with glue that comes undone easily inside motor causing it to be unable to move. Dealerships and shops cost to replace is insane, never below $1000. This is a huge safety concern as I moved my seat far back while relaxing before work and when I got off later the seat would not move. Ford should be responsible for replacing these defective parts immediately.
Electrical complaints in other Mustang years
Frequently asked questions
How common are electrical problems on the 2011 Ford Mustang?
NHTSA has 24 complaints about the electrical system of the 2011 Ford Mustang, 5% of the model year's 466 complaints. The component named most often is ignition (1 mentions).
Is there a recall for 2011 Ford Mustang electrical problems?
No. NHTSA lists no electrical system recall for the 2011 Ford Mustang, though it has 4 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2011 Ford Mustang electrical problems start?
Half of the complaints with a recorded mileage happened before about 66,000 miles.
Is it dangerous?
Owners linked 1 crash, 0 fires and 0 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.