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Service bulletin T-SB-0045-23

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10241402
Published by NHTSA2023-08-28
Manufacturer's numberT-SB-0045-23
Manufacturer's date2023-07-21
NHTSA componentBACK OVER PREVENTION; SUSPENSION; POWER TRAIN

NHTSA's summary

TSB: Some 2019 ? 2023 model year Tacoma Double Cab vehicles may exhibit a whine noise from the rear of the vehicle. This condition may occur while driving around 50 mph (80 kph) at constant speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Suspension, Transmission and driveline, Backup camera

Vehicles listed
TOYOTA TACOMA2019, 2020, 2021, 2022, 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TTT0636202022-06-21. Service bulletin. 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-0098-20 Rev2021-04-19. Service bulletin. TSB: Some 2016 ? 2020 model year Tacoma vehicles equipped with a 2GR-FKS engine may exhibit a chirp noise from the main accessory drive belt. Follow the Repair Procedure in this bulletin to address this condition.
T-TT-0599-20 Rev2021-04-19. Service bulletin. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.
T-TT-0636-20 Rev2021-04-19. Service bulletin. 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-0599-20 Rev2021-02-16. Service bulletin. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.
T-TT-0636-202021-02-16. Service bulletin. 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-0001-202020-02-24. Service bulletin. TSB: Some 2019 model year Tacoma vehicles may exhibit a Blind Spot Monitor System warning message with any of the following Diagnostic Trouble Codes (DTCs) present. ? C1AC1 ? Master Module Horizontal Axis Misalignment ? C1AC2 ? Slave Module Horizontal Axis Misalignment. Follow the Repair Procedure in this bulletin to address this condition.
K0B_Tunda Tacoma2019-06-24. Service bulletin. Job Aid: JOB AID FOR SPECIAL SERVICE CAMPAIGN K0B MILLIMETER WAVE RADAR SENSOR CERTAIN: 2018 ? 2019 TACOMA 2018 ? 2019 TUNDRA. Update 5/29/2019: Modified Vehicle Labels are now available (p. 40)
K0B_Tunda Tacoma2019-06-24. Service bulletin. J0b Aid: JOB AID FOR SPECIAL SERVICE CAMPAIGN K0B MILLIMETER WAVE RADAR SENSOR CERTAIN: 2018 ? 2019 TACOMA 2018 ? 2019 TUNDRA