The car is difficult to accelerate and makes a loud hum over 50. It wont shift into reverse. It is confirmed that it is a transmission issue and the whole thing has to be replaced. I found on a mechanic's site that there is an open recall S34 however my VIN is not included despite the fact that my car has the same issue as the recall. The clutch diaphragm spring fails, the driver may not be able to shift gears or the vehicle may lose motive power, increasing the risk of a crash.
Acceleration & cruise control
Fiat 500C Acceleration problems by year
5 complaints filed with NHTSA about the Fiat 500C's acceleration & cruise control. Unintended acceleration, surging, throttle problems and cruise or adaptive cruise faults.
Acceleration complaints by model year
| Year | Acceleration complaints | Crashes | Injuries | Recalls |
|---|---|---|---|---|
| 2013 | 5 | 0 | 0 | 0 |
Latest 500C acceleration complaints
While accelerating the speedometer would not read any higher than 20 mph, even when going speeds well over 20 mph on the interstate. Coming to a complete stop the speedometer would read at 0, however once accelerating or decelerating from over 20 mph would not be registered. The car was turned on and off several times, and shifted through all the gears, still no fix. *Tr
The electronic throttle control (etc) light came on after slowing down and then having to accelerate fast to avoid an oncoming car at an intersection crossing. At the same time the car lost speed and acceleration. We consulted the manual immediately and did what it said, that is to restart the car. We did this and the light went off. To do this we had to pull off the interstate and park and then get back on. When getting back on I had to slow down and again accelerate quickly again to properly merge with oncoming...
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traffic on the 4 lane we were traveling. The ect light came on again and we again stopped and restarted the car and the ect light went out. About 4 miles later at an intersection I slowed then accelerated after making a right hand turn (the light was green).The ect light came on again and this time I immediately lost power and acceleration and could not get the car above about 40 to 45 miles an hour.We happened to be traveling to the car dealership on another matter (phone pairing) and we were only a half a mile from the dealership so we took it in to have them look at it. They gave us the same make and model as a loaner.We went a few miles the ect light came on in this car (fiat 500) so we went back to the dealership to see what might be causing this in two cars. The service technician found that I had touched or pressed the brake peddle and the accelerator at the same time and this causes the ect system to activate an ect light to come on. However, it appears that if you even touch the brake for even a second while the accelerator is engaged or especially if it is trying to increase speed to the tires the ect will engage and light will come on and to reset you have to immediately stop the car turn it off so the system will reset. This whole experience to me would indicate a safety problem or a design defect. Similar problems seen on internet with the ect. *Tr
Tl* the contact owns a 2013 fiat 500. The contact stated that while driving 60 mph, the vehicle decelerated independently and intermittently. The vehicle was towed to the dealer for diagnosis but they were unable to duplicate the problem. The manufacturer was notified. The approximate failure mileage was 10,000. *Tr
Tl* the contact owns a 2013 fiat 500. The contact stated that while driving 30 mph, the cruise control failed and the vehicle stalled. The vehicle was taken to the dealer but the failure could not be duplicated. The vehicle was not repaired and the manufacturer was notified. The approximate failure mileage was 17. *Tr
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data