There are 8 owner-reported brakes complaints for the 2017 Toyota Tundrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The factory IBC is a safety issue. I would not tow anything over 1500lbs as the brake controller does not work. This controller is an accident waiting to happen. When set on gain 10 you can barely feel a tug from the trailer. You can't feel anything if you apply the vehicle brake pedal. On a gain of 10 it should lock up the trailer brakes, and it can't do that on a dirt road much less on asphalt. Toyota has not done anything to fix this issue AT ALL! Lots of truck owners out there that don't even know of this problem and alot of owners are forced to install aftermarket brake controllers on their dimensions. Toyota should be held to fixing this safety issue. Why isn't there a recall on these vehicles. It's a problem that multiple year tundras! I purchased this vehicle to tow a 16' travel trailer weighin3500 lbs. I tried to adjust the controller in the neighborhood and was not happy or safe with the test. I will not tow with the factory setup. UNSAFE!
INTEGRATED BRAKE CONTROLLER. TSB T-SB-0231-17 AND T-SB-0231-16 PERFORMED WITH NEGATIVE RESULTS. UNABLE TO PERFORM SET UP OF CONTROLLER ACCORDING TO OWNERS MANUAL. DEALER SUBMITTED A DRP AWAITING TOYOTA CORP. TO INVESTIGATE. TOYOTA CORP. HAS NO OTHER FIX FOR THIS CONTROLLER. TOYOTA CORP. SAID IBC WORKS AS DESIGNED. IBC WILL NOT STOP TRAILER SAFELY.
THE ONBOARD INTIGRATED TRAILER BREAK CONTROLLER DOES NOT WORK WITH ALL ELECTRIC BREAK TRAILERS. WORKS ON MANUAL TRAILER BREAK APPLICATION BUT NOT EFFECTIVE ENOUGH WITH VEHICLE BREAKS. THIS IS VERY DANGEROUS. DURING A PANIC STOP THE TRAILER BREAKS DO NOT COME ON LIKE THEY DO WITH AN AFTER MARKET BREAK CONTROLLER LIKE A TEKONSHA P3 PROGRESSIVE BREAK CONTROLLER. THIS DANGEROUS SITUATION NEEDS TO BE ADDRESSED WITH A SOFTWARE RECALL TO MAKE THE ELECTRIC BREAK MOSE MORE RESPONSIVE. HOW MANY ACCIDENTS DOES IT TAKE FOR THE NTSB TO TAKE ACTION. GO ONLINE AND READ ALL THE NEGATIVE FORUMS.
TRAILER BRAKE CONTROLLER NOT FUNCTIONING WHEN BRAKE PEDAL APPLIED, GAIN MAKES NO DIFFERENCE IN BRAKING. TWICE I HAVE HAD TO MAKE AN EMERGENCY STOP AND FELT NO BRAKING FROM THE TRAILER.
INTEGRATED TRAILER BRAKE CONTROLLER DOESN'T APPLY ADEQUATE VOLTAGE TO TRAILER BRAKES. AT 100% GAIN BRAKES BARELY WORK WITH AN EMPTY TRAILER. BRAKES SHOULD LOCK UP AT 100% GAIN. TOWING ANY LOAD IS DANGEROUS WITHOUT TRAILER BRAKES. DEALERSHIP HAD NO FIX OR REMEDIES. I HAVEN'T HAD ANY SITUATIONS BECAUSE I KNOW I SHOULDN'T DRIVE IT WITHOUT TRAILER BRAKES. I BOUGHT A TRUCK TO TOW MY CAMPER,FLAT TRAILER AND BOAT. A$47,000 TRUCK SHOULD BE ABLE TO TOW.
INTEGRATED BRAKE CONTROLLER DOES NOT OPERATE TRAILER BRAKES IN RELATIONSHIP TO BRAKE PEDAL PRESSURE. COMPLETELY INADEQUATE TO USE AND A SERIOUS POTENTIAL FOR AN ACCIDENT WHILE TOWING TRAILER, CAMPER, ETC.
TRAILER INTEGRATED BRAKE CONTROLLER (IBC) DOES NOT WORK CORRECTLY. USING SETTING FOR "ELECTRIC BRAKES" ON MULTI DISPLAY INDICATOR (MDI) WILL NOT STOP TRAILER WITH DUAL AXLE DISC BRAKES. VERY POOR PERFORMANCE WITH GAIN TURNED TO MAX. WORK AROUND IS TO SELECT "ELECTRIC OVER HYDRAULIC" ON MDI AND ADJUST GAIN OUTPUT.
WHILE BACKING OUT OF A PARKING SPOT, THIS VEHICLE FAILED TO STOP WHEN I PLACED MY FOOT ON THE BRAKES CAUSING THE VEHICLE TO HIT ANOTHER PARKED VEHICLE. WHEN THE POLICE OFFICE COMMANDED ME TO REMOVE MY VEHICLE AND PARK IT INSIDE A PARKING SPOT, THE BRAKES FAILED TO STOP THE VEHICLE AGAIN, LEADING TO ANOTHER AUTO ACCIDENT.
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 Apr 25, 2026