Service bulletin T-TT-0479-18
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10129946 |
| Published by NHTSA | 2018-03-12 |
| Manufacturer's number | T-TT-0479-18 |
| Manufacturer's date | 2018-02-02 |
| NHTSA component | EXTERIOR LIGHTING; ELECTRICAL SYSTEM |
NHTSA's summary
TT: When encountering a distorted image with the foot (puddle) light please go to the repair manual link attached to repair the condition.
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, Lighting
| TOYOTA C-HR | 2018 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2021723 | 2021-11-24. Electrical |
|---|---|
| 2017363 | 2017-07-20. Electrical |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| T-SB-0075-19 | 2025-08-08. 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. |
|---|---|
| ZKH | 2025-08-08. 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-0057-18 | 2023-06-26. Service bulletin. TSB: 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. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. |
| T-TT-0687-22 | 2022-04-18. Service bulletin. TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosis |
| T-TT-0578-19 Rev | 2020-11-23. Service bulletin. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently. |
| T-TT-0553-19 Rev | 2020-08-24. Service bulletin. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ?Circuit demand is too high for GFCI rating ?Worn out GFCI internal contacts ?Improper installation or wiring of GFCI breaker |
| T-TT-0516-18_Rev | 2020-06-22. Service bulletin. TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Data Communication Module/telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement. |
| T-TT-0565-19 | 2019-09-16. Service bulletin. TT: Vehicle with accessory installed fog lamps experiences low battery charge causing a hard or no start condition. A parasitic draw is observed between approximately 97 to 600 milliamps. Note: Parasitic draw should be less than 50 milliamps (0.050 amp). Testing may take anywhere from 10 minutes to 2 hours dependent upon which vehicle is being serviced and what equipment is installed in the vehicle. |
| T-TT-0553-19 | 2019-09-03. Service bulletin. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ? Circuit demand is too high for GFCI rating ? Worn out GFCI internal contacts ? Improper installation or wiring of GFCI breaker |
| T-SB-0134-16-Rev | 2019-09-03. Service bulletin. TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Service Bulletin No. T-SB-0012-13 is obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information. NOTE ECU is a Toyota term used to describe integrated computerized devices responsible for managing the operation of a system or subsystem. For the purposes of this bulletin, the term ?ECU? is used as a generic label for the following SAE J1930 standard references: ? Powertrain Control Module (PCM) ? Engine Control Module (ECM) ? Transmission Control Module (TCM) ? Any other Toyota specific control unit |