# Service bulletin T\-TT\-0420\-16

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: 10132851
- Published by NHTSA: 2018\-04\-02
- Manufacturer's number: T\-TT\-0420\-16
- Manufacturer's date: 2016\-10\-06
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

TT: Techstream cannot perform a DCM \(Telematics ECU\) Activation following a DCM replacement. Techstream may exhibit an ?ATX web service unavailable? error or similar message when attempting a DCM activation. This is a known condition and will be remedied in the near future.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10132851-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10132851-0001.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

- 2017 TOYOTA PRIUS

## Other bulletins for the same vehicles and component

- [TSB003120Rev2](/bulletins/10214352.md), 2022-06-21, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. TSB: Some 2017 ? 2018 model year Prius Prime vehicles equipped with Premium Audio \(R10A5430\) or earlier may exhibit one or more of the following conditions. Updated multimedia software is now available to address these conditions. Follow the Multimedia Software Update Procedure in this bulletin to install the latest software version.
- [T\-TT\-0600\-20 Rev](/bulletins/10184555.md), 2020-12-21, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. TT: 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. These settings may need to be reapplied any time the phone is paired to a new head unit, a phone update is applied, or the phone is un\-paired and re\-paired.
- [K0P\_19TE12\-TI\-Up](/bulletins/10179783.md), 2020-09-14, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. TI: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN K0P CUSTOMER SUPPORT PROGRAM 19TE12 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE
- [T\-SB\-0236\-17 Obs](/bulletins/10174879.md), 2020-05-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. OBSOLETE NOTICE April 01, 2020: This bulletin is now obsolete. Please see T\-SB\-0031\-20. Audio Head Unit Software Update \(Denso\)
- [T\-SB\-0031\-20](/bulletins/10174878.md), 2020-05-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T\-SB\-0236\-17. Service Bulletin No. T\-SB\-0236\-17 is obsolete and any printed versions should be discarded. Audio Head Unit Software Update \(Denso\)
- [J0R\_Dealer Packa](/bulletins/10159722.md), 2019-05-13, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Packet: 04/16/2019 ? UIO quantities and production ranges have been updated to reflect added vehicles. The involved vehicles are equipped with Intelligent Clearance Sonar \(ICS\). Due to improper software programming in the ICS system, the ICS system may improperly activate when an involved vehicle enters certain types of carwash facilities and is placed into neutral. If the ICS system activates, the ICS system will exhibit warnings and the system may apply the brakes.
- [J0R\_Region Lette](/bulletins/10159721.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES. Region Letter: 04/16/2019 ? UIO quantities and production ranges have been updated to reflect added vehicles. ? Op codes to cover specific instances of ICS ECU failure during reprogramming have been included. The involved vehicles are equipped with Intelligent Clearance Sonar \(ICS\). Due to improper software programming in the ICS system, the ICS system may improperly activate when an involved vehicle enters certain types of carwash facilities and is placed into neutral. If the ICS system activates, the ICS system will exhibit warnings and the system may apply the brakes.
- [J0R\_Dealer Email](/bulletins/10159720.md), 2019-05-13, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, AIR. Dealer Email: The involved vehicles are equipped with Intelligent Clearance Sonar \(ICS\). Due to improper software programming in the ICS system, the ICS system may improperly activate when an involved vehicle enters certain types of carwash facilities and is placed into neutral. If the ICS system activates, the ICS system will exhibit warnings and the system may apply the brakes.
- [J0R\_Region Email](/bulletins/10159719.md), 2019-05-13, Service bulletin: SERVICE BRAKES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Region Email: The involved vehicles are equipped with Intelligent Clearance Sonar \(ICS\). Due to improper software programming in the ICS system, the ICS system may improperly activate when an involved vehicle enters certain types of carwash facilities and is placed into neutral. If the ICS system activates, the ICS system will exhibit warnings and the system may apply the brakes.
- [J0R\_Clearance Wa](/bulletins/10159705.md), 2019-05-13, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Technical Instructions: Update 4/9/2019: Note added on p. 5. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN J0R INTELLIGENT CLEARANCE SONAR \(ICS\) SYSTEM REPROGRAM CERTAIN: 2018 CAMRY \& CAMRY HYBRID 2016 ? 2018 PRIUS 2017 \- 2018 PRIUS PRIME

JSON: [/v1/bulletins/10132851](/v1/bulletins/10132851)

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