T-SB-0013-14

February 26, 2014

Rev2

MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery
Cooling Fan
Service
Category

Engine/Hybrid System

Section

Hybrid/Battery Control System

USA

Market

Applicability
YEAR(S)

MODEL(S)

2013 – 2015

Prius

ADDITIONAL INFORMATION

REVISION NOTICE
June 14, 2016 Rev2:
• The Parts Information and Repair Procedure sections have been been udpated.
June 24, 2015 Rev1:
• Applicability has been updated to include 2014 – 2015 model year Prius vehicles.
• The entire bulletin has been updated.
Any previous printed versions of this bulletin should be discarded.

Introduction

Some 2013 – 2015 model year Prius vehicles may exhibit a MIL “ON” condition with Diagnostic
Trouble Code (DTC) P0A80 stored due to dust or debris buildup in the HV Battery Cooling Fan. Use
the following Repair Procedure to address this condition.
Production Change Information

This bulletin applies to vehicles produced BEFORE and AFTER the Production Change Effective
VIN shown below:
MODEL

Prius

REPAIR PROCEDURE

VIN BREAK

A

Before

B

On or After

© 2016 Toyota Motor Sales, USA

PRODUCTION CHANGE EFFECTIVE VIN

JTDKN3DU#D0356257

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T-SB-0013-14

February 26, 2014

Page 2 of 8

MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Parts Information
PART NUMBER

PART NAME

QTY

Filter, HV Battery Intake, No. 1

1

Battery Assembly, HV Supply

1

APPLICABILITY

G92DH-47010
All

G92DH-47060
G9510-76010
Warranty Information
OP CODE

PROCEDURE

DESCRIPTION

TIME

A

Clean HV Battery Cooling Fan,
Replace HV Battery Assembly, and
Install HV Battery Cooling Fan
Intake Filter

1.8

B

Clean HV Battery Cooling Fan,
Replace HV Battery Assembly,
and Clean or Replace HV Battery
Cooling Fan Intake Filter

2.0

EL1400

EL1401

OFP

T1

T2

G9510-76010

8A

99

APPLICABLE WARRANTY
• This repair is covered under the Toyota Hybrid System Warranty. This warranty is in effect for
96 months or 100,000 miles, whichever occurs first, from the vehicle’s in-service date.
• For California specification Prius vehicles sold, registered, and operated in California,
Connecticut, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Rhode Island,
and Vermont, this repair is covered under the California Emission Warranty, which is in effect
for 120 months or 150,000 miles, whichever occurs first, from the vehicle’s in-service date.
• Warranty application is limited to occurrence of the specified condition described in
this bulletin.

Required Tools & Equipment
REQUIRED EQUIPMENT

Techstream 2.0*
Techstream Lite

SUPPLIER

ADE

PART NUMBER

QTY

TS2UNIT
TSLITEPDLR01

* Essential SST.

NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 10.10.018 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at
1-800-368-6787.

© 2016 Toyota Motor Sales, USA

1

T-SB-0013-14

Rev2

February 26, 2014

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MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Required Tools & Equipment (Continued)

PART NUMBER

SPECIAL SERVICE TOOLS (SST)

QTY

00002-03100-S (Small)
Electrical Insulating Gloves*

00002-03200-M (Medium)

1

00002-03300-L (Large)
CAUTION
Always inspect Electrical Insulating Gloves before use for cracks, ruptures, tears, pinholes, or
damage. Do NOT wear if damaged.

NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
* Essential SST.

Repair Procedure
NOTE
There are 2 Repair Procedures for this condition depending on the VIN.
• Before VIN break, use procedure A.
• On or After VIN break, use procedure B.
Please confirm which repair applies to the vehicle you are working on by consulting the Production
Change Information table.

© 2016 Toyota Motor Sales, USA

T-SB-0013-14

Rev2

February 26, 2014

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MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Repair Procedure A

1. Inspect the HV Battery Cooling Fan for dust or debris buildup.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
• 2013 / 2014 / 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
Battery Blower: Removal”
Is the HV Battery Cooling Fan clogged with dust or debris buildup? Refer to Figure 1 for an
example of a clogged cooling fan.
• YES — Proceed to step 2.
• NO — This bulletin does NOT apply. Troubleshoot the vehicle using the Repair Manual
procedure.
Refer to TIS, applicable model and model year Repair Manual:
2013 / 2014 / 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery
Control: Hybrid Battery System: P0A80-123: Replace Hybrid Battery Pack”
2. Using vacuum, and compressed air, if necessary, clean any dust, lint, or debris buildup from the
HV Battery Cooling Fan blades, module, and ducts.
Figure 1. HV Battery Cooling Fan BEFORE Cleaning

Figure 2. HV Battery Cooling Fan AFTER Cleaning

NOTICE
• Do NOT attempt to clean the HV Battery Cooling Fan while it is installed in the vehicle.
Doing so may cause dust or debris to enter the HV Battery Case.
• Failure to secure the fan blades while cleaning can result in electronic circuit failure due
to overturning.

© 2016 Toyota Motor Sales, USA

T-SB-0013-14

Rev2

February 26, 2014

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MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Repair Procedure A (Continued)

3. Replace the HV Battery Assembly.
Refer to TIS, applicable model and model year Repair Manual:
• 2013 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
HV Battery: Removal / Installation”
• 2014 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
HV Battery: Removal / Installation”
• 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
HV Battery: Removal / Installation”
4. Install the HV Battery Cooling Fan Intake Filter as shown (P/N G92DH-47010).
NOTE
The filter should be cleaned when dust begins to appear on the surface.
Figure 3.

© 2016 Toyota Motor Sales, USA

Rev2

T-SB-0013-14

February 26, 2014

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MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Repair Procedure A (Continued)

5. Clear any DTCs that have set during the Repair Procedure and test drive the vehicle to confirm
normal operation.
6. For severe usage vehicles, refer to Service Bulletin T-SB-0198-11, “HV Battery Cooling Fan
Maintenance for Severe Usage Vehicles,” for additional HV Battery Cooling Fan maintenance
recommendations.
Repair Procedure B

1. Is the internal filter clogged with dust or debris buildup?
Figure 4.

3

2

1
4

1

Rear Seat Cushion Assembly

3

Rear Side Seat Back Assembly RH

2

Rear Door Scuff Plate RH

4

Hybrid Battery Intake Filter

NOTE
The seat back does NOT need to be removed even though it’s not shown in the Figure above.

© 2016 Toyota Motor Sales, USA

T-SB-0013-14

Rev2

February 26, 2014

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MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Repair Procedure B (Continued)

• YES — Continue to step 2.
• NO — This bulletin does NOT apply. Refer to TIS, applicable model and model year
Repair Manual:
2013 / 2014 / 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery
Control: Hybrid Battery System: P0A80-123; Replace Hybrid Battery Pack”
NOTE
See step 2 for hybrid battery blower removal for battery intake duct access and inspection.

2. Check the physical condition of the internal filter.
A. If the filter is damaged, replace the HV Battery Intake Filter No. 1 (P/N G92DH-47060).
B. If the filter is physically OK, clean using vacuum and make sure no contaminants enter the
HV Battery cooling system including fan.
CAUTION
• Clean the HV battery intake duct No. 1 with vacuum. Do NOT use water or fluid
when cleaning.
• Do not use a wire brush or a scrub brush for cleaning the HV Battery Intake Filter No. 1
due to a concern that the brush may damage the part.

Refer to TIS, applicable model and model year Repair Manual:
• 2013 / 2014 / 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery
Control: Battery Blower: Removal”
3. Install the HV Battery Cooling Fan Intake Filter as shown (P/N G92DH-47010).
NOTE
The filter should be cleaned when dust begins to appear on the surface.

© 2016 Toyota Motor Sales, USA

T-SB-0013-14

Rev2

February 26, 2014

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MIL "ON" DTC P0A80 Due to Dust or Debris in HV Battery Cooling Fan

Repair Procedure B (Continued)
Figure 5.

4. Replace the HV Battery Assembly.
Refer to TIS, applicable model and model year Repair Manual:
• 2013 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
HV Battery: Removal / Installation”
• 2014 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
HV Battery: Removal / Installation ”
• 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control:
HV Battery: Removal / Installation”
5. Clear any DTCs that have set during the Repair Procedure and test drive the vehicle to confirm
normal operation.
6. For severe usage vehicles, refer to Service Bulletin T-SB-0198-11, “HV Battery Cooling Fan
Maintenance for Severe Usage Vehicles,” for additional HV battery cooling fan maintenance
recommendations.
© 2016 Toyota Motor Sales, USA