There are 6 stored owner reports matching the brakes leading-label group for the 2012 Toyota Tundra 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 6 of 6 matching reports.
Open the full vehicle complaint log (all categories)WHEN BRAKING THE SPONGY BRAKE PEDAL TRAVELS ALMOST TO THE FLOOR AND IF MY FOOT IS PLACE TO THE RIGHT ON THE BRAKE PEDAL I ENGAGE THE ACCELERATOR PEDAL THUS CAUSING THE TRUCK TO ACCELERATE WHEN I'M WANTING TO STOP. VERY DANGEROUS
WHILE DRIVING THE TRUCK THE BRAKE PEDAL SINK TO THE FLOOR NEARLY CAUSING AN ACCIDENT. I BOUGHT THE TRUCK LAST YEAR AND IT STARTED AFTER THE LAST SERVICE BY A TOYOTA DEALERSHIP. THE SAME THING HAPPEND TO MY WIFE WHILE DRIVING THE TEUCK WITH MY KIDS. IT HAPPENS UNEXPECTEDLY LOSING BRAKE PEDAL RESISTANCE CAUSING BRAKES TO SKIN TO THE FLOOR WITH MINIMUM TO NO BRAKING POWER. THIS WAS REPORTED TO THE SERVICE AGENT WHO WAS ABLE REPLICATE THE ISSUE; HOWERE, RED MCCOMBS TOYOTA OF SAN ANTONIO TX WANTED TO CHARGE ME $1500+ TO REPLACE THE BRAKE MASTER CYLINDER. THAT WAS PRETTY HIGH FOR JUST THAT. I WAS TOLD THE LABOR WAS VERY EXPENSIVE. I TOLD HIM I COULDN'T DO IT AND THAT I MAY HAVE TO TAKE IT SOMEWHERE ELSE AND I WAS SIMPLY TOLD TO BE CAREFUL DRIVING IT. I AM HAVING MIDAS REPLACE THE BRAKE MADTER CYLINDER. I DID MY RESEACH AND FOUND VARIOUS TOYOTA TUNDRA ONLINE COMMUNITY FORUMS AND A LOT OF CUSTOMERS HAVE EXPERIENCED THE SAME THING. SOME WITH AS LOW AS 30K MILES. I HAD AROUNF 89K, BUT A MASTER CYLINDER SHOILD HOLD UP TO AT LEAST 125K MILES. I CONTAC TOYOTA CORPORATE AND THE CONTACTED ME ACK VER QUICK BUT DID NOT HAD THE TIME TO DISCCUSS AS I WAS DRIVING. I FEELTHERE NEEDS TO BE A OOSSIBLE RECALL.
TL* THE CONTACT OWNED A 2012 TOYOTA TUNDRA. THE CONTACT STATED THAT THE ANTI-LOCK BRAKE SYSTEM MALFUNCTIONED WHILE IN THE DRIVEWAY. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED WITH AIR IN THE BRAKE LINE. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 16,000.
TL* THE CONTACT OWNS A 2012 TOYOTA TUNDRA. WHEN THE BRAKE PEDAL WAS DEPRESSED, IT TRAVELED TO THE FLOORBOARD NUMEROUS TIMES WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER, BUT THE CAUSE OF THE FAILURE WAS UNABLE TO BE DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 16,000. UPDATED 07/12/16*LJ
TL* THE CONTACT OWNS A 2012 TOYOTA TUNDRA. THE CONTACT STATED THAT THE BRAKE PEDAL FAILED WHEN IT WAS DEPRESSED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE CONTACT RECEIVED CASE NUMBER 1606030334 FROM THE MANUFACTURER. THE CONTACT ALSO REPORTED THE ISSUE TO THE FTC (CASE NUMBER 73072104). THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 16,200.
MY TUNDRA WAS PARKED AND IT STARTED TO ROW DOWN THE ROAD NO BODY INSIDE END IT UP ON NEIGHBORS DRIVE WAY HITTING A TREE TOTAL LOSS I BELIEVE IS BRAKE RELATED ISSUE
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 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.