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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10140582
Published by NHTSA2018-06-11
Manufacturer's numberT-TT-0395-16
Manufacturer's date2016-05-11
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT

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

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, Equipment and accessories, 12-volt battery

Vehicles listed
TOYOTA AVALON2013, 2014, 2015, 2016, 2017
TOYOTA CAMRY2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
TOYOTA HIGHLANDER2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
TOYOTA PRIUS2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
TOYOTA PRIUS C2012, 2013, 2014, 2015, 2016, 2017
TOYOTA PRIUS V2012, 2013, 2014, 2015, 2016, 2017
TOYOTA RAV4 HYBRID2017 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA redundant RAV4 HV2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V7340002023-11-01. ELECTRICAL SYSTEM:12V/24V/48V BATTERY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
Dealer Daily Mes2021-04-19. Service bulletin. DD: On 2/25/2021, NHTSA opened an investigation into certain RAV4 vehicles related to the 12V battery.
Dealer Daily Mes2021-04-19. Service bulletin. DD: On 2/25/2021, NHTSA opened an investigation into certain RAV4 vehicles related to the 12V battery.
T-SB-0074-202020-09-14. Service bulletin. TSB: Some 2003 ? 2020 model year Prius, Prius C, Prius V; 2006 ? 2019 model year Highlander Hybrid Vehicle; 2007 ? 2020 Camry Hybrid Vehicle; 2013 ? 2020 model year Avalon Hybrid Vehicle; 2016 ? 2020 model year Mirai and RAV4 Hybrid Vehicle; and 2020 model year Corolla Hybrid Vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A80/P1AC000 and/or P0A7F/P1A8000 stored due to dust or debris buildup in the HV battery cooling fan and/or HV cooling filter. Follow the procedure in this bulletin to address this condition.
T-TT-0553-19 Rev2020-08-24. 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-SB-0036-162020-08-24. Service bulletin. TSB: Some 2010 - 2015 model year Prius and 2012 - 2017 model year Prius V vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A94, P324E, P0A1A, and/or P3004, indicating a malfunction has occurred in the inverter assembly with converter. Follow the Repair Procedure in this bulletin to identify the specific components within the inverter assembly with converter that need to be replaced and address this condition.
T-SB-0153-13_Rev2019-12-16. Service bulletin. TSB: REVISION NOTICE November 13, 2019 Rev2: ? The Warranty Information section has been updated. July 02, 2019 Rev1: ? The Applicable Warranty section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2004 ? 2009 model year Prius vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0A80 or P0A7F stored due to dust or debris buildup in the HV battery cooling fan. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0153-13-Rev2019-09-03. Service bulletin. TSB: REVISION NOTICE July 02, 2019 Rev1: ? The Applicable Warranty section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2004 ? 2009 model year Prius vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0A80 or P0A7F stored due to dust or debris buildup in the HV battery cooling fan. Follow the Repair Procedure in this bulletin to address this condition.
TTT043217 Rev12018-12-17. Service bulletin. TT: Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses efficiency due to debris on the filter and or some object obstructing the air inlet.
TTT0432172018-12-17. Service bulletin. TT: Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses efficiency due to debris on the filter and or some object obstructing the air inlet.
T-TT-0403-16-Rev2018-11-05. Service bulletin. TT: Some Prius PHV customers may notice a change in the displayed EV Distance or have a concern about the HV Battery performance based on this value.