2012 Ford Mustang Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 469 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 Ford Mustang overview page.
What owners report
“MY DAUGHTER'S 2012 MUSTANG WOULD LOSE POWER AT AROUND 40 MPH WHEN ACCELERATING. THE ENGINE LIGHT WOULD LIGHT UP AND THE CAR WOULD IDLE VERY…”NHTSA complaint 10545603 — filed 09/26/2013
“THE CONTACT OWNS A 2012 FORD MUSTANG. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 55 MPH THE RPMS INCREASED AND THE VEHICLE FAILED TO ACCELERATE INTO…”NHTSA complaint 10543250 — filed 09/12/2013
“TL- THE CONTACT OWNS A 2012 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH THE VEHICLE REVVED UP AND WOULD NOT ACCELERATE…”NHTSA complaint 10536275 — filed 08/20/2013
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2012 Ford Mustang have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2012 Ford Mustang: 157 of 469 complaints on file (33.5%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2012 Ford Mustang have in total?
469 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 20 involved a crash, 2 involved a fire, 9 reported injuries, and 1 reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
