Ford Mustang Transmission Problems
821 owner complaints filed with NHTSA across 25 model years.
Complaints by Year
Worst year: 2011. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
MY NEPHEW LOST CONTROL OF HIS SIX SPEED 2012 MUSTANG WHILE DRIVING ON MOUNTAIN ROAD AND WAS KILLED. HE WAS DOWNSHIFTING INTO LEFT CORNER OR ROAD THEN ROAD TURNS RIGHT UPHILL (LIKE AN "S" SHAPE). PERHAPS THE POWER TRAIN HAD AN ISSUE.? *TR
I was driving down the road in my 2018 Mustang ecoboost. When all of the sudden slowing down it locked the rear wheels up. I slid off the road and fortunately I didn’t hit anything but it did pop my side skirt off in the rear of the ca...
The contact owns a 1965 Ford Mustang. The contact stated that upon starting the vehicle, the vehicle unintendedly reversed on an incline of a parking lot and struck another parked unoccupied vehicle. There was no injury sustained. The co...
When vehicle is placed in park while on, vehicle rolls forward . Put vehicle in park on the side of the road to answer a phone call. Was pulled up behind another vehicle and car rolled forward, and rear ended vehicle in front of me. The...
The contact owns a 2012 Ford Mustang. The contact stated that while driving at 60 MPH, the vehicle started to jerk and downshifted. The contact then stated that the speedometer and RPM’s started to fluctuate rapidly. All the warning li...
The contact owns a 2018 Ford Mustang. The contact stated that his son parked the vehicle and set the parking brake and exited the vehicle; however, the rolled away and crashed into a tree. The contact stated that after the failure, he re...
******* DELETE VOQ ******* THIS COMPLAINT IS BEING MARKED FOR DELETION BECAUSE IT IS AN INADVERTENT DUPLICATE OF ODI# 11490557*DJR ******* DELETE VOQ *******
Caught in stop and go traffic at night for 45 minutes. Car started moving forward even though my foot was only on the brake pedal. My first thought was I'd accidentally pressed both the brake and gas pedals, but I could see my foot on th...
I was contacted by the NHTSA, after I had an accident in my 2020 Ford Mustang EcoBoost with the automatic transmission and ability to manually shift. I spoke with an Investigator by the name of [XXX]. The investigator wished me good luck...
My 2013 Ford Mustang had some problems with down shifting, and my daughter took it several times to the dealer, they said it is probably the throttle body, so I replaced it, and thought that everything was fine. So on September last year...
HELLO! FORD SHELBY GT 350'S HAVE A FATAL ENGINE FLAW THAT WILL LEAD TO THE DEATH OF MANY OWNERS. THERE IS A KNOWN ISSUE WHERE THE OIL FILTER SIMPLY FALLS OFF THE ENGINE BECAUSE THE ENGINE IS PRONE TO A TON OF VIBRATION. AS A RESULT, OIL ...
2008 MUSTANG WITH TREMEC 3650 MANUAL TRANSMISSION. WAS ON HIGHWAY DOWNSHIFTING FROM 5TH INTO 4TH TO PASS ANOTHER CAR WHICH ABRUPTLY ENTERED MY LANE WHEN CAR WENT INTO 2ND, LOCKED REAR END AND SPUN CAR, CAUSING ME TO CRASH ON SIDE OF ROAD...