There are 1 stored owner reports matching the powertrain & transmission leading-label group for the 2011 Acura TSX in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)7 F, CAR WAS PARKED OUTSIDE ALL NIGHT, STARTED CAR, WAITED A FEW MINUTES, BACKED OUT, BRAKES NORMAL, DRIVING FORWARD SLOWLY, BRAKES NORMAL, WAS GOING 30 APPROACHING STOP SIGN, WENT TO BRAKE, PEDAL WAS SOLID...NOTHING WAS UNDER THE PEDAL, BUT FELT LIKE THERE WAS A BRICK UNDER THE PEDAL. OBVIOUSLY I DIDN'T STOP, THANK GOODNESS NO CARS WERE ON THE ROAD. I SLOWED DOWN EVENTUALLY, THEN PUSHED EXTREMELY HARD ON THE PEDAL AND WAS ABLE TO BRAKE. THEN AFTER DRIVING VERY SLOWLY & TESTING HARD PEDAL, THE PEDAL ACTED NORMAL AFTER A FEW MINUTES. NORMAL PEDAL NOW. ON A SEPARATE PROBLEM, THE TRANSMISSION HAS BEEN DOWNSHIFTING ON ITS OWN, I'M DRIVING ALONG, AROUND 45 MPH OR SO, THE TRANSMISSION IS IN D, DASH LIGHT & SHIFTER IN D, THEN EVERY NOW & THEN THE TACH WHINES, THE TRANSMISSION DOWNSHIFTS & SHOWS A LOWER GEAR (LIKE 4 OR 2 OR 1) IN THE SMALL BLACK SQUARE ON THE RIGHT OF THE DASHBOARD GEAR INTERFACE. THE GEAR SHIFTER IS STILL IN D, BUT THE CAR IS IN A DIFFERENT GEAR. I SLOW DOWN, THEN SHIFT INTO N, THEN PUT BACK TO D, THEN IT DRIVES NORMAL AGAIN, WITH NOTHING IN THE SMALL BLACK SQUARE ON THE DASHBOARD (NEXT TO THE GEAR INDICATOR).
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.