# Service bulletin T\-TT\-0395\-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: 10092768
- Published by NHTSA: 2017\-02\-23
- Manufacturer's number: T\-TT\-0395\-16
- Manufacturer's date: 2016\-05\-11
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

TT: HV BATTERIES HAVE LIQUID FILLED CELL MODULES, TO PREVENT LEAKAGE FROM CELLS, IT IS VERY IMPORTANT TO CONFIRM THE PROPER ORIENTATION MARK OF THE DRC.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2013 to 2016 TOYOTA AVALON HYBRID
- 2007 to 2017 TOYOTA CAMRY HYBRID
- 2006 to 2016 TOYOTA HIGHLANDER HYBRID
- 2001 to 2017 TOYOTA PRIUS
- 2012 to 2017 TOYOTA PRIUS C
- 2012 to 2017 TOYOTA PRIUS V
- 2017 TOYOTA RAV4 HYBRID
- 2016 TOYOTA redundant RAV4 HV

## Recalls for the same vehicles and component

- [2023589](/recalls/tc/2023589.md), 2023-11-01: Electrical
- [23V734000](/recalls/nhtsa/23V734000.md), 2023-11-01: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [2021723](/recalls/tc/2021723.md), 2021-11-24: Electrical
- [2020284](/recalls/tc/2020284.md), 2020-06-25: Electrical
- [2019434](/recalls/tc/2019434.md), 2019-08-28: Electrical
- [2019428](/recalls/tc/2019428.md), 2019-08-23: Accessories
- [19V503000](/recalls/nhtsa/19V503000.md), 2019-06-28: EQUIPMENT:OTHER:LABELS
- [2018477](/recalls/tc/2018477.md), 2018-09-05: Electrical
- [18V579000](/recalls/nhtsa/18V579000.md), 2018-09-05: ELECTRICAL SYSTEM:WIRING
- [2017363](/recalls/tc/2017363.md), 2017-07-20: Electrical

## Other bulletins for the same vehicles and component

- [T\-TT\-0790\-25](/bulletins/11022964.md), 2025-09-09, Service bulletin: ELECTRICAL SYSTEM. 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.
- [21TG01](/bulletins/11020667.md), 2025-07-10, Service bulletin: ELECTRICAL SYSTEM. Campaign Expired \- replaced with campaign 23TA13TECHNICAL INSTRUCTIONS FOR CONSUMER ADVISORY 21TG01 12\-VOLT BATTERY SIZE AND INSTALLATION INSPECTION CERTAIN 2013 – 2018 RAV4
- [21TG01](/bulletins/11020666.md), 2025-07-10, Service campaign: ELECTRICAL SYSTEM. 21TG01 Exprired \- Replaced with Campaign 23TA13 During a recent investigation of reported battery fires in 2013\-2018 RAV4 vehicles with gasoline engines \(excluding hybrid models\), Toyota discovered that many non\-Toyota retailers and others who sell or install replacement batteries were recommending a small size battery for replacement. Toyota specifies a particular size replacement battery for the RAV4 that does not include this small size. The smaller battery may not fit securely with the RAV4’s battery mounting parts, and, in some cases, can move around when the vehicle is driven, causing a short circuit. Using the wrong size battery, or not installing a replacement battery properly, can cause damage to the battery and the vehicle, and it could cause a vehicle fire.
- [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.
- [21TG01](/bulletins/11007433.md), 2024-09-07, Other: ELECTRICAL SYSTEM. During a recent investigation of reported battery fires in 2013\-2018 RAV4 vehicles with gasoline engines \(excluding hybrid models\), Toyota discovered that many non\-Toyota retailers and others who sell or install replacement batteries were recommending a small size battery for replacement. Toyota specifies a particular size replacement battery for the RAV4 that does not include this small size. The smaller battery may not fit securely with the RAV4’s battery mounting parts, and, in some cases, can move around when the vehicle is driven, causing a short circuit. Using the wrong size battery, or not installing a replacement battery properly, can cause damage to the battery and the vehicle, and it could cause a vehicle fire.
- [21TG01](/bulletins/11006139.md), 2024-08-08, Other: ELECTRICAL SYSTEM. During a recent investigation of reported battery fires in 2013\-2018 RAV4 vehicles with gasoline engines \(excluding hybrid models\), Toyota discovered that many non\-Toyota retailers and others who sell or install replacement batteries were recommending a small size battery for replacement. Toyota specifies a particular size replacement battery for the RAV4 that does not include this small size. The smaller battery may not fit securely with the RAV4’s battery mounting parts, and, in some cases, can move around when the vehicle is driven, causing a short circuit. Using the wrong size battery, or not installing a replacement battery properly, can cause damage to the battery and the vehicle, and it could cause a vehicle fire.
- [24TE03](/bulletins/11005132.md), 2024-07-23, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR CONSUMER ADVISORY 24TE03 Rav4 Battery Class Action Settlement CERTAIN 2013 – 2018 Model Year RAV4
- [24TE03](/bulletins/11005131.md), 2024-07-23, Other: ELECTRICAL SYSTEM. On April 9, 2024, a settlement of claims for certain 2013\-2018 model year Rav4 vehicles was preliminarily approved by the federal court. The court will hold a Fairness Hearing on November 19, 2024 to determine if the settlement should be finally approved. The settlement includes Toyota’s agreement to provide a Customer Support Program for certain 2013\-2018 model year Rav4 vehicles which were inspected/repaired under Consumer Advisory 21TG01.
- [24TE03](/bulletins/11005130.md), 2024-07-23, Other: ELECTRICAL SYSTEM. On April 9, 2024, a settlement of claims for certain 2013\-2018 model year Rav4 vehicles was preliminarily approved by the federal court. The court will hold a Fairness Hearing on November 19, 2024 to determine if the settlement should be finally approved. The settlement includes Toyota’s agreement to provide a Customer Support Program for certain 2013\-2018 model year Rav4 vehicles which were inspected/repaired under consumer advisory 21TG01. The purpose of this Customer Support Program letter is to help clarify how to administer this coverage in accordance with the settlement. This is NOT a recall or a service campaign, but is provided to reassure owners that Toyota stands behind the reliability of our vehicles.
- [21TG01](/bulletins/11005129.md), 2024-07-23, Service campaign: ELECTRICAL SYSTEM. During a recent investigation of reported battery fires in 2013\-2018 RAV4 vehicles with gasoline engines \(excluding hybrid models\), Toyota discovered that many non\-Toyota retailers and others who sell or install replacement batteries were recommending a small size battery for replacement. Toyota specifies a particular size replacement battery for the RAV4 that does not include this small size. The smaller battery may not fit securely with the RAV4’s battery mounting parts, and, in some cases, can move around when the vehicle is driven, causing a short circuit. Using the wrong size battery, or not installing a replacement battery properly, can cause damage to the battery and the vehicle, and it could cause a vehicle fire.

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