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Service bulletins for the 2012 Toyota PRIUS

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

467 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
TTT0636202022-06-21. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions
T-TT-0636-20 Rev2021-04-19. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-202021-02-16. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-202021-02-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
ZJB_Toyota POL182019-09-16. Service bulletin. SERVICE BRAKES. Warranty Enhancement Program: Toyota has received reports indicating various brake system related warning lamps illuminate due to internal malfunctions.
ZJB_Dealer Packa2019-09-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES. Dealer Package: Toyota has received reports about certain internal malfunctions of the brake booster assemblies in some of the subject vehicles. Although the brake booster and brake booster pump assemblies are covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), Toyota is now offering a voluntary Customer Support Program that applies to certain internal malfunctions of the brake booster assemblies. The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement.
ZJB_Toyota POL182019-04-15. Service bulletin. SERVICE BRAKES, HYDRAULIC. Customer Support Program Bulletin: Toyota has received reports indicating various brake system related warning lamps illuminate due to internal malfunctions.
ZJB_Dealer Lette2019-04-15. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES. Dealer Letter: March 7, 2019 ZJB Phase 2 Launch for Certain 2011 ? 2015 Model Year Prius Vehicles and Certain 2012 ? 2015 Model Year Prius PHV vehicles. Toyota has received reports about certain internal malfunctions of the brake booster assemblies in some of the subject vehicles. Although the brake booster and brake booster pump assemblies are covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), Toyota is now offering a voluntary Customer Support Program that applies to certain internal malfunctions of the brake booster assemblies. The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement.
T-SB-0248-122018-04-23. Service bulletin. SERVICE BRAKES. Some 2010 ? 2012 model year Prius and 2012 model year Prius PHV vehicles may exhibit uneven brake pad wear on the rear brake pads. The vehicle may also exhibit a grinding or scraping noise due to the uneven brake pad wear. An updated rear pad kit has been developed to address this condition.
T-SB-0141-132018-04-02. Service bulletin. EQUIPMENT; PARKING BRAKE. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
T-SB-0248-122016-04-12. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.