# Service bulletin T\-TT\-0206\-12

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: 10134023
- Published by NHTSA: 2018\-04\-23
- Manufacturer's number: T\-TT\-0206\-12
- Manufacturer's date: 2012\-10\-30
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Some customers may complain of a 'Check EV System' message illuminating after attempting to charge their vehicle at a public charging station.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10134023-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10134023-0001.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2012 TOYOTA RAV4 EV

## Recalls for the same vehicles and component

- [2021723](/recalls/tc/2021723.md), 2021-11-24: Electrical

## Other bulletins for the same vehicles and component

- [T\-SB\-0057\-18](/bulletins/10238157.md), 2023-06-26, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. 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\-SB\-0003\-22](/bulletins/10207963.md), 2022-02-14, Service bulletin: ELECTRICAL SYSTEM:WIRING. TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram \(EWD\) and/or Repair Manual.
- [T\-TT\-0578\-19 Rev](/bulletins/10182983.md), 2020-11-23, Service bulletin: STEERING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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\-SB\-0134\-16\-Rev](/bulletins/10164330.md), 2019-09-03, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; ENGINE. 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
- [T\-SB\-0142\-16\_Rev](/bulletins/10161538.md), 2019-06-24, Service bulletin: ELECTRICAL SYSTEM. TSB: REVISION NOTICE May 23, 2019 Rev1: ? The Applicable Warranty has been updated. Any previous printed versions of this bulletin should be discarded. Some 2012 ? 2016 model year Avalon Hybrid, Camry Hybrid, and RAV4 Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code \(DTC\) P0A7A \(Generator Inverter Performance\) and information code 122 generator inverter fail signal detection \(overcurrent due to system malfunction\). Follow the Repair Procedure in this bulletin to address this condition. NOTE This Service Bulletin applies ONLY if information code 122 is present.
- [T\-TT\-0414\-16\-Rev](/bulletins/10155247.md), 2019-03-25, Service bulletin: EQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM. 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\-SB\-0151\-18](/bulletins/10153198.md), 2019-02-19, Service bulletin: ELECTRICAL SYSTEM. TSB: Some 2009 ? 2012 model year RAV4 and 2010 ? 2011 model year Camry vehicles equipped with 2AR\-FE \(non\-PZEV\) engines may exhibit a MIL ON condition with Diagnostic Trouble Code \(DTC\) P0138 \(Oxygen Sensor Circuit High Voltage \[Bank 1 Sensor 2\]\). This condition may be caused by incorrect air fuel ratio sensor response. The Engine Control Module/ECM \(SAE Term: Powertrain Control Module/PCM\) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address this condition.
- [T\-TT\-0380\-15](/bulletins/10152273.md), 2018-12-17, Service bulletin: ELECTRICAL SYSTEM. TT: Some customers may experience a ?Check EV System? message after attempting to charge their vehicle. No other vehicle operation or performance issues are present. This may be a result of incompatibility with unapproved EV charging stations.
- [TSB018217](/bulletins/10152205.md), 2018-12-17, Service bulletin: ELECTRICAL SYSTEM. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T\-SB\-0101\-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T\-SB\-0101\-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components.
- [T\-SB\-0134\-16](/bulletins/10150418.md), 2018-12-03, Service bulletin: ELECTRICAL SYSTEM. TSB: Supersession Notice. Flash reprogramming allows the 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.

JSON: [/v1/bulletins/10134023](/v1/bulletins/10134023)

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