WenmarOpen by Wenmar Pro

Service bulletin T-TT-0503-18

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 id10149197
Published by NHTSA2018-11-26
Manufacturer's numberT-TT-0503-18
Manufacturer's date2018-08-17
NHTSA componentLANE DEPARTURE: BLIND SPOT DETECTION

NHTSA's summary

TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.

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, Blind spot detection

Vehicles listed
TOYOTA AVALON2016, 2017, 2018, 2019
TOYOTA C-HR2018, 2019
TOYOTA CAMRY2018, 2019
TOYOTA COROLLA2017, 2018, 2019
TOYOTA COROLLA IM2017, 2018
TOYOTA HIGHLANDER2017, 2018, 2019
TOYOTA LAND CRUISER2016, 2017, 2018, 2019
TOYOTA PRIUS2016, 2017, 2018, 2019
TOYOTA PRIUS C2016, 2017, 2018, 2019
TOYOTA PRIUS PRIME2019 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA RAV42016, 2017, 2018, 2019
TOYOTA RAV4 HYBRID2017 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA SEQUOIA2018, 2019
TOYOTA SIENNA2018, 2019
TOYOTA TACOMA2018, 2019
TOYOTA TUNDRA2018, 2019
TOYOTA YARIS2017, 2018
TOYOTA redundant RAV4 HV2016

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
T-TT-0558-192019-09-16. Service bulletin. TT: In some situations, the Blind Spot Monitor (BSM) Beam Axis may not update during the Blind Spot Monitor Beam Axis Confirmation. The procedure recommended below can be used to confirm the beam axis has been updated when performing the Blind Spot Monitor Beam Axis Confirmation.
T-TT-0503-182018-12-03. Service bulletin. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
T-SB-0050-182018-07-16. Service bulletin. TSB: Some 2018 model year Camry and Camry HV vehicles equipped with Blind Spot Monitor (BSM) may exhibit a BSM outer mirror indicator that stays on without a vehicle in the detection area, after being passed by another vehicle. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0049-162018-06-11. Service bulletin. TSB: Some 2015 ? 2016 model year Avalon, Camry, Sienna, and Tundra vehicles equipped with Blind Spot Monitor may exhibit a Blind Spot Monitor Warning message with Diagnostic Trouble Code (DTC) C1AB2 Short to Ground in Outer Mirror Indicator (Master) or C1AB3 Short to Ground in Outer Mirror Indicator (Slave) stored. Follow the Repair Procedure in this bulletin to address this condition.