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Service bulletin T-SB-0019-19

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 id10155233
Published by NHTSA2019-03-25
Manufacturer's numberT-SB-0019-19
Manufacturer's date2019-02-15
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL

NHTSA's summary

TSB: This bulletin details the supplemental procedure to confirm Telematics Data Communication Module (DCM) activation for applicable 2017 ? 2019 model year Toyota vehicles after the process is initiated by Techstream. The steps outlined in this bulletin include: ? Techstream Messages ? DCM Activation Confirmation ? Vehicle Confirmation

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

Electrical system, Equipment and accessories

Vehicles listed
TOYOTA AVALON2019
TOYOTA C-HR2019
TOYOTA CAMRY2018, 2019
TOYOTA CAMRY HYBRID2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA COROLLA2019
TOYOTA MIRAI2018, 2019
TOYOTA PRIUS2017, 2018
TOYOTA PRIUS PRIME2019 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA SIENNA2018, 2019

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

Recalls for the same vehicles and component
20217232021-11-24. Electrical
20202842020-06-25. Electrical
19V8760002019-12-11. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20194342019-08-28. Electrical
19V5030002019-06-28. EQUIPMENT:OTHER:LABELS
19V2440002019-03-27. EQUIPMENT:OTHER:LABELS
18V6850002018-10-04. ELECTRICAL SYSTEM:SOFTWARE; AIR BAGS
20184772018-09-05. Electrical
18V5790002018-09-05. ELECTRICAL SYSTEM:WIRING
20173632017-07-20. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
T-SB-0106-22 Rev22026-02-11. Service bulletin. OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
T-SB-0001-262026-02-11. Service bulletin. Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
T-TT-0790-252025-09-09. Service bulletin. Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.
T-SB-0075-192025-08-08. Service bulletin. All VINs under ZKH are expired as of July 6, 2025 Some 2018 – 2019 model year C-HR vehicles may exhibit a condition where the door mirror foot light projects a distorted image of the C-HR logo onto the ground.
ZKH2025-08-08. Service campaign. All VINs under ZKH are expired as of July 6, 2025 Toyota has received reports stating that the door mirror foot lights (puddle lights) may project a distorted image of the C-HR logo onto the ground. This distortion may be due to the projector film in the door mirror foot light becoming damaged due to heat and moisture. Although the door mirror foot light is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to the condition described above.
T-SB-0010-24 Rev22025-07-10. Service bulletin. Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla, 2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant temperatures between 14°F – 41°F: •P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold •P030000 – Random/Multiple Cylinder Misfire Detected •P030100 – Cylinder 1 Misfire Detected •P030200 – Cylinder 2 Misfire Detected •P030300 – Cylinder 3 Misfire Detected •P030400 – Cylinder 4 Misfire Detected
T-SB-0058-23 Rev12025-07-10. Service campaign. The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
T-TT-0780-252025-06-06. Service bulletin. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
T-TT-0780-252025-05-15. Service bulletin. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
T-SB-0106-22 Rev22025-04-08. Service bulletin. Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations.