2021 Toyota 4Runner: Service Brakes complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 6 owner complaints for the 2021 Toyota 4Runner that list the service brakes component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11722616 (filed 03/06/2026): “Today while i was driving home from work, in a snow storm, suddenly a low braking power notification and abs malfunction popped up on my console with loud beeping and my brakes completely stopped working. in order to avoid hitting the car in front of me i had to swerve to the shoulder and come to a …”
- NHTSA complaint ODI #11643552 (filed 02/18/2025): “My brakes and rotors are requiring replacement after less than 10,000. i purchased my vehicle used with less than 15,000 miles. my brakes and rotors have been replaced three times in the last 45,000 miles. the dealership denies any malfunction or error with the breaking system. i have seen multiple …”
- NHTSA complaint ODI #11568310 (filed 01/28/2024): “While pulling this vehicle in to my garage about halfway in the brake pedal went to the floor and the vehicle hit a bench on the opposite side of the entrance. after pumping the brakes after waiting about 10 minutes they seemed to work normally. i backed the vehicle out of the garage and saw no flu…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Moderate
Pads and rotors are a common DIY job with hand tools and a jack; ABS/hydraulic faults need a scan tool. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .