# Service campaign 24TC01

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.

- Type: Service campaign
- NHTSA id: 11005140
- Published by NHTSA: 2024\-07\-23
- Manufacturer's number: 24TC01
- Manufacturer's date: 2024\-05\-02
- Campaign id or software version: 24TC01
- NHTSA component: ELECTRICAL SYSTEM; SERVICE BRAKES

## NHTSA's summary

TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 24TC01 BRAKE ACTUATOR ASSEMBLY \(SKID CONTROL ECU SOFTWARE UPDATE CERTAIN 2023 MODEL COROLLA

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005140-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005140-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes, Electrical system

## Vehicles listed

- 2023 TOYOTA COROLLA

## Recalls for the same vehicles and component

- [2024547](/recalls/tc/2024547.md), 2024-09-20: Brakes
- [24V708000](/recalls/nhtsa/24V708000.md), 2024-09-20: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:SOLENOID/ACTUATOR; SERVICE BRAKES, ELECTRIC:SOFTWARE/PROGRAMMING

## Other bulletins for the same vehicles and component

- [T\-SB\-0010\-24 Rev2](/bulletins/11020670.md), 2025-07-10, Service bulletin: ELECTRICAL SYSTEM. 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 Rev1](/bulletins/11020657.md), 2025-07-10, Service campaign: ELECTRICAL SYSTEM. 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\-0779\-25](/bulletins/11019331.md), 2025-06-06, Service bulletin: ELECTRICAL SYSTEM. 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\-0779\-25](/bulletins/11018328.md), 2025-05-15, Service bulletin: ELECTRICAL SYSTEM. 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\-0013\-24 Rev1](/bulletins/11016781.md), 2025-04-08, Service bulletin: ELECTRICAL SYSTEM. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
- [T\-SB\-0013\-24 Rev1](/bulletins/11015495.md), 2025-03-11, Service bulletin: ELECTRICAL SYSTEM. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
- [T\-SB\-0120\-20 Rev2](/bulletins/11014211.md), 2025-02-12, Service bulletin: ELECTRICAL SYSTEM. OBSOLETE NOTICE January 30, 2025: This bulletin is now obsolete. Please see T\-SB\-0015\-25.
- [T\-SB\-0015\-25](/bulletins/11014209.md), 2025-02-12, Service bulletin: ELECTRICAL SYSTEM. Some 2021 – 2025 model year Toyota vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit \(ECU\) is replaced. GTS\+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS\+ Health Check Results screen to show when configuration software is available for a specific ECU.
- [T\-SB\-0111\-20 Rev2](/bulletins/11014193.md), 2025-02-12, Service bulletin: ELECTRICAL SYSTEM. OBSOLETE NOTICE January 23, 2025: This bulletin is now obsolete. Please see T\-SB\-0011\-25.
- [T\-SB\-0011\-25](/bulletins/11014190.md), 2025-02-12, Service bulletin: ELECTRICAL SYSTEM. When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS\+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU Security Key.

JSON: [/v1/bulletins/11005140](/v1/bulletins/11005140)

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