# Service bulletin T\-TT\-0365\-15

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: 10096566
- Published by NHTSA: 2017\-03\-28
- Manufacturer's number: T\-TT\-0365\-15
- Manufacturer's date: 2015\-09\-25
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

TT: A VEHICLE MAY ARRIVE TO THE DEALER WITH A MIL “ON” CONDITION AND P0A80 STORED IN THE MEMORY. SOME CASES HAVE BEEN IDENTIFIED WITH INTERNAL MODIFICATION DONE TO THE HV BATTERY. MODIFIED OR ALTERED PARTS ARE NOT COVERED UNDER WARRANTY.

## 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, 12\-volt battery

## Trouble codes named

P0A80

## Vehicles listed

- 2013 to 2016 TOYOTA AVALON HYBRID
- 2007 to 2016 TOYOTA CAMRY HYBRID
- 2001 to 2016 TOYOTA PRIUS
- 2012 to 2016 TOYOTA PRIUS C
- 2010 TOYOTA PRIUS PLUG\-IN HYBRID
- 2012 to 2016 TOYOTA PRIUS PLUG\-IN HYBRID
- 2012 to 2016 TOYOTA PRIUS V

## Other bulletins for the same vehicles and component

- [T\-SB\-0074\-20](/bulletins/10179602.md), 2020-09-14, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. 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\-SB\-0036\-16](/bulletins/10178786.md), 2020-08-24, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; HYBRID PROPULSION SYSTEM: INVERTER; ENGINE. 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\_Rev](/bulletins/10169322.md), 2019-12-16, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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\-Rev](/bulletins/10164333.md), 2019-09-03, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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 Rev1](/bulletins/10152222.md), 2018-12-17, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
- [TTT043217](/bulletins/10152210.md), 2018-12-17, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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\-Rev](/bulletins/10146515.md), 2018-11-05, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
- [T\-SB\-0087\-13 Rev](/bulletins/10140635.md), 2018-06-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT ADAPTIVE/MOBILITY. TSB: For vehicles that are used under certain severe operating conditions, the HV Battery Cooling Fan may exhibit an excessive buildup of dust, lint, or other debris that can reduce the efficiency of the HV Battery Cooling System. HV Battery Cooling Fan maintenance and cleaning should be performed to address this condition.
- [T\-TT\-0397\-16](/bulletins/10140632.md), 2018-06-11, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: Some customers may complain about a MIL ?ON? with a P0A80 DTC. In these cases, the HV Battery would need to be replaced. Along with the HV Battery replacement, the cooling system filter will need either cleaning or replacement. This TT provides information about the HV Battery cooling system filter.
- [ZF5\-T\-SB\-0036\-16](/bulletins/10140630.md), 2018-06-11, Service bulletin: EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: Some 2010 ? 2014 Prius and 2012 ? 2014 Prius V model vehicles may exhibit a MIL ?ON? condition with DTCs P0A94, P324E, P0A1A, or P3004, indicating a malfunction has occurred in the hybrid inverter assembly. To help identify the specific components within the inverter assembly that need to be replaced, follow the steps in this service bulletin to address the condition.

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