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Service bulletin 23TC01b

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 id10243081
Published by NHTSA2023-10-02
Manufacturer's number23TC01b
Manufacturer's date2023-08-31
NHTSA componentAIR BAGS

NHTSA's summary

TI: TECHNICAL INSTRUCTIONS FOR 23TC01 TOYOTA SAFETY SENSE INOPERATIVE INTERMITTENTLY

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

Air bags

Vehicles listed
TOYOTA BZ4X2023
TOYOTA COROLLA2023
TOYOTA COROLLA CROSS2023
TOYOTA COROLLA HATCHBACK2023 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
20252422025-05-06. Airbag
20250372025-01-29. Airbag
25V0400002025-01-29. STEERING:COLUMN; AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE
20236812023-12-20. Airbag
23V8640002023-12-20. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS:FRONTAL
20233862023-07-12. Airbag
23V4800002023-07-12. AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE; STEERING:COLUMN
20233112023-05-30. Airbag
23V3840002023-05-30. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS:FRONTAL

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
TSB0032202023-10-16. Service bulletin. TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate.
23TC012023-10-02. Service bulletin. DP: The subject vehicles are equipped with Toyota Safety Sense (TSS) which consists of several driving assist features, including pre-collision braking, lane departure warning, and more. Due to inappropriate programming of the software within the forward recognition camera, there is a possibility that under certain conditions, TSS functions could become inoperative for approximately 4 seconds before rebooting and becoming operational again.
23TC01 TI - Publ2023-09-18. Service bulletin. TI: TECHNICAL INSTRUCTIONS FOR 23TC01 TOYOTA SAFETY SENSE INOPERATIVE INTERMITTENTLY
23TC01 Region Le2023-09-18. Service bulletin. RL: The subject vehicles are equipped with Toyota Safety Sense (TSS) which consists of several driving assist features, including pre-collision braking, lane departure warning, and more. Due to the programming of the software within the forward recognition camera, there is a possibility that under certain conditions, TSS functions could become inoperative for approximately 4 seconds before rebooting and becoming operational again.
23TC01 Dealer Pa2023-09-18. Service bulletin. DP: The subject vehicles are equipped with Toyota Safety Sense (TSS) which consists of several driving assist features, including pre-collision braking, lane departure warning, and more. Due to inappropriate programming of the software within the forward recognition camera, there is a possibility that under certain conditions, TSS functions could become inoperative for approximately 4 seconds before rebooting and becoming operational again.
T-SB-0029-22 Rev2022-12-19. Service bulletin. TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers. If installation instructions are included in the floor mat kit, place the instructions in the vehicle?s glove box for customer reference
T-SB-0029-222022-04-18. Service bulletin. TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers. If installation instructions are included in the floor mat kit, place the instructions in the vehicle?s glove box for customer reference.