There are 2 owner-reported powertrain & transmission complaints for the 2020 Toyota Tundrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I BOUGHT A NEW 2020 TOYOTA TUNDRA 4X4 CREWMAX AND IT IS NOT PERFORM TO WHAT A V-8 POWERTRAIN OF 5.7 LT, AND 381 HORSE POWER SHOULD BE. THE ACCELERATOR ON THIS 2020 TUNDRA IS NOT FUNCTIONING PROPERLY. IT WILL NOT ACCELERATE WHEN I STEP ON THE GAS PEDAL, WHICH ALMOST STALL BEFORE IT MOVES. IN ADDICTION, I OWNED A 2007 TUNDRA 4X4 CREWMAX AND THERE WAS NOT A SINGLE ACCELERATION PROBLEM. THE VIN# FOR MY NEW 2020 TUNDRA CREWMAX IS: [XXX]. I BELIEVE TOYOTA HAS INSTALLED THE ACCELERATOR INCORRECTLY OR THEIR FUEL PUMP IS NOT WORKING PROPERLY ON THIS NEW 2020 TUNDRA MODELS. REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *CC
TL* THE CONTACT OWNS A 2020 TOYOTA TUNDRA. THE CONTACT STATED WHILE DRIVING AT 10 MPH, THE FOUR-WHEEL DRIVE WOULD NOT ENGAGE. THE CONTACT STATED WHEN TRYING TO ENGAGE THE FOUR-WHEEL DRIVE, THE VEHICLE WOULD MAKE A LOUD NOISE AND NOT ALLOW THE VEHICLE TO TURN. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO A LOCAL DEALER OR INDEPENDENT MECHANIC FOR DIAGNOSIS OR REPAIRS. THE MANUFACTURER HAD NOT BEEN INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 3,000.
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.
Data synced from NHTSA on May 4, 2026