Which parts fail
Components named in complaints (automatic and manual transmissions, CVT, axles, driveshaft, 4WD/AWD).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2012 Ford Fiesta owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2012 Ford Fiesta. The contact stated while driving 30 MPH and depressing the brake pedal while approaching a traffic light, the vehicle began to shake until the vehicle came to a full stop. The contact stated that the check engine warning light was illuminated. The contact stated while attempting to make a right turn and depressing on the accelerator pedal, the vehicle failed to move forward. The contact stated that she turned off the vehicle for a couple of minutes however, the vehicle failed to restart. The contact stated that after the 6th attempt, the vehicle restarted but continued to experience the failure. The contact drove the vehicle to an independent mechanic and was informed that the transmission needed to be replaced. The vehicle was not repaired. …
The contact owns a 2012 Ford Fiesta. The contact stated while driving approximately 30 MPH, the vehicle failed to exceed 30 MPH. Additionally, while the vehicle was changing gear, the vehicle was jerking abnormally. While attempting to reach a safe area, the vehicle stalled twice. The contact was able to restart the vehicle both times however, the failure recurred. The contact stated that the Hill Assist warning light and two additional unknown warning lights were illuminated. The contact stated that while in a safe area, the vehicle failed to restart. The local dealer was contacted and arranged for the vehicle to be towed to their location; however, the contact was unsure if the vehicle had been towed. The vehicle was not diagnosed. The contact stated that the dealer mentioned that the failure might be related to an unknown Technical Service Bulletin for the TCM. …
The contact owns a 2012 Ford Fiesta. The contact stated that the vehicle failed to start with several unknown warning lights illuminated. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the transmission module and battery needed to be replaced. The vehicle was repaired; however, the failure persisted. While driving, the vehicle continued to jerk and there was smoke coming through the vents. The check engine warning light was illuminated. Additionally, there was an abnormal booming sound detected. The contact had to depress the accelerator pedal continually for the vehicle to respond as needed. The vehicle was taken to an independent mechanic to be diagnosed, and the contact was informed that the catalytic converter needed to be replaced. The manufacturer was contacted but provided no additional assistance. …
The contact owns a 2012 Ford Fiesta. The contact stated while driving 50 mph and coming to a stop, she heard an abnormal sound and the vehicle started shuddering and inadvertently stalled. The "Transmission Failure" message appeared on the instrument panel along with several other unknown warning lights. The vehicle was towed to an independent mechanic who diagnosed that the transmission had failed, and the failure was related to NHTSA Campaign Number: 20V331000 (LATCHES/LOCKS/LINKAGES). The contact stated the failure reoccurred while driving and the vehicle was taken to the dealer who informed the contact that the parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the failure and a case was opened. The vehicle was not repaired. …
The contact owns a 2012 Ford Fiesta. The contact initially stated that after making a complete stop, the vehicle would jerk upon the depression of the accelerator pedal without warning. The contact took the vehicle to the dealer where the transmission clutch was replaced. The contact then stated that while driving at 25 MPH, an abnormal noise had emitted from the vehicle as the vehicle stalled out without warning. The contact was able to restart the engine but the vehicle had failed to accelerate. Due to the failure, the contact had the vehicle towed to the dealer where the vehicle was diagnosed with a defective PCM(Powertrain Control Module); the contact was also informed that the parts were on backorder. The manufacturer was notified of the failure and referred the contact to the NHTSA. The vehicle had yet to be repaired and remained in the possession of the dealer. …
The contact owns a 2012 Ford Fiesta. The contact stated while driving 40 MPH, the vehicle stalled and went into the LIMP mode. There was no warning light illuminated. The contact was able to restart the vehicle; however, the failure reoccurred several times while veering to the side of the road. The vehicle was towed to the residence. The contact was able to drive the vehicle to the dealer; however, the vehicle would not exceed 20 MPH. The check engine warning light was illuminated. The dealer diagnosed that the transmission control module (TCM), the transmission clutch assembly, and the battery needed to be replaced. The vehicle was not repaired. The contact associated the failure with Ford Customer Satisfaction Program Campaign Number: 14M02 (Transmission Control Module Extended Warranty Coverage). The manufacturer was notified of the failure. …
The contact owns a 2012 Ford Fiesta. The contact stated while driving 50 MPH, he heard an abnormal sound, and the vehicle stalled. The contact stated that the check engine warning light was illuminated. The contact was able to restart the vehicle however, the vehicle failed to accelerate above 30 MPH while driving back to his residence. The contact took the vehicle to the local dealer, where it was diagnosed with needing the power train module to be replaced. The dealer informed the contact that the parts were not available. The contact purchased the parts at an auto parts store and brought them back to the dealer. The dealer stated that the computer failed to code the module. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 88,000.
The contact owns a 2012 Ford Fiesta. The contact received notification of Technical Service Bulletin: 16-0109 (DPS 6 Automatic Transmission - Excessive Transmission Clutch Shudder and/or Transmission Fluid Leak); however, the part to do the repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the repair. The contact stated that while driving at an undisclosed speed, the transmission failed to shift properly with the check engine warning light illuminated. The dealer was made aware of the failure but confirmed that parts were not available. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 119,000.
The contact owns a 2012 Ford Fiesta. The contact stated that while driving at an undisclosed speed, the "Transmission Malfunction, Service Now" message was displayed. The vehicle was taken to a local dealer, where it was diagnosed that the transmission control module (TCM) needed to be replaced; however, the part for the repair was on backorder. The vehicle was repaired; however, the contact then stated that while driving at an undisclosed speed, a loud abnormal sound was heard. The vehicle was taken back to the dealer, where it was diagnosed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 101,347.
The contact owns a 2012 Ford Fiesta. The contact stated that upon taking the vehicle to a gas station for servicing, the contact was informed that the brake calipers were sticking, and the calipers and rotors were extremely hot. The calipers and rotors were replaced; however, the failure persisted. The vehicle was taken to the dealer, where it was diagnosed and determined that the transmission axle shaft had damaged the splines. The dealer determined that the transmission needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 42,000.
Transmission complaints in other Fiesta years
Frequently asked questions
How common are transmission problems on the 2012 Ford Fiesta?
NHTSA has 274 complaints about the transmission & drivetrain of the 2012 Ford Fiesta, 44% of the model year's 617 complaints. The component named most often is clutch assembly (4 mentions).
Is there a recall for 2012 Ford Fiesta transmission problems?
No. NHTSA lists no transmission & drivetrain recall for the 2012 Ford Fiesta, though it has 3 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 2012 Ford Fiesta transmission problems start?
Half of the complaints with a recorded mileage happened before about 42,000 miles, and 30% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 0 fires and 3 injuries to transmission & drivetrain 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.