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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: Driver assistance 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-SB-0088-212021-11-15. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR; BACK OVER PREVENTION: SENSING SYSTEM: RADAR. TSB: For proper calibration of the millimeter wave radar sensor, the vehicle and radar target must be on a level surface with a consistent plane. If a level surface with a consistent plane is not available, use the Floor Slope Compensation Procedure in this service bulletin in conjunction with the appropriate model and model year Repair Manual instructions when adjusting the millimeter wave radar sensor.
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-SB-0125-202021-02-16. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. TSB: Toyota models equipped with the Premium HDD Navigation (AVN/AW-EMV) system will periodically require an update to the Gracenote® database. Gracenote® includes detailed information for songs (genre, artist, song title, album name, etc.). The Gracenote® update will be included on the USB Drive Navigation Map Update SST. A Gracenote® update must be performed before a Navigation Map update. A Navigation Map update is not required to complete the Gracenote® update. Use the process described in this bulletin to perform the update.
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-0603-202020-04-20. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. TT: For proper calibration of the millimeter wave radar sensor, the vehicle must be on a level surface. If a level surface is not available, this tech tip should be used in conjunction with the repair manual to set the angle of the front millimeter wave radar sensor and reflector height before performing beam axis adjustment.
Prius LKA Follow2018-04-23. Service bulletin. LANE DEPARTURE: LANE KEEP: STEERING ASSIST. On your 2012 model year Prius vehicle, the Lane-Keeping Assist (LKA) system may not activate the lane departure warning (beep) when the vehicle begins to deviate from the marked lane. All other features of the LKA system operate as designed.
T-SB-0141-10 Rev2018-04-02. Service bulletin. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT; BACK OVER PREVENTION. If a creak, tick, or rattle noise is heard at the top or bottom of the windshield, or at the top of the rear glass, the source of the noise may be the two stoppers bonded to the top of the windshield/rear glass, or the windshield retainers bonded to the lower edge of the windshield. This bulletin provides the recommended repair procedure to eliminate these types of noises from the windshield/rear glass area.
C0G_TECH 2/162017-03-02. Service bulletin. LANE DEPARTURE: ASSIST. C0G EXPIRED ON MAY 31, 2015.
C0G_DEALER 2/162017-03-02. Service bulletin. LANE DEPARTURE: ASSIST. C0G EXPIRED ON MAY 31, 2015.

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