T-SB-0142-16_Rev

T-SB-0142-16
Rev1
October 3, 2016
MIL ON DTC P0A7A With Information Code 122
Service
Category
Engine/Hybrid System
Section
Hybrid/Battery Control System
Market USA
Applicability
YEAR(S)
MODEL(S)
2012 - 2016
Avalon HV, Camry HV,
RAV4 HV
ADDITIONAL INFORMATION
REVISION NOTICE
May 23, 2019 Rev1:
 The Applicable Warranty has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
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.
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MIL ON DTC P0A7A With Information Code 122
Warranty Information
OP CODE
DESCRIPTION
EL1911
R & R Hybrid Inverter With
Converter Assembly and
Hybrid Transaxle Assembly
MODEL
TIME
OFP
Avalon HV
8.1
G92A0-33020
Camry HV
8.1
G92A0-33020
RAV4 HV
7.8
G92A0-42050
T1
T2
8A
74
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.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.
 For California Specification Camry HV vehicles sold, registered, and operated in California,
Arizona (2012 model year only), Connecticut, Maine, Maryland, Massachusetts, New Jersey,
New York, Oregon, Rhode Island, and Vermont, warranty is in effect for 180 months or
150,000 miles, whichever occurs first, from the vehicle ’s in-service date.
Parts Information
PART NUMBER
MODEL
Avalon HV
PART NAME
QTY
G92A0-33021
Inverter W/Converter Assembly
1
30900-33051
30900-33053
Hybrid Transaxle Assembly
1
G92A0-33020
G92A0-33021
Inverter W/Converter Assembly
1
30900-33040
30900-33030
Hybrid Transaxle Assembly
1
G92A0-42050
Inverter W/Converter Assembly
1
30900-48121
Hybrid Transaxle Assembly
1
00272-SLLC2
Super Long Life Coolant (SLLC)
1
PREVIOUS
NEW
G92A0-33020
Camry HV
RAV4 HV
–
© 2019 Toyota Motor Sales, USA
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MIL ON DTC P0A7A With Information Code 122
Required Tools & Equipment
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
01413-00072 (Medium)
Insulated Glove Set, Rubber With Leather Protectors*
01413-00073 (Large)
1
01413-00074 (Extra Large)
*Essential SST.
CAUTION
Always inspect the insulated 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.
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream ADVi*
TSADVUNIT
Techstream 2.0*
Techstream Lite
QTY
TS2UNIT
ADE
TSLITEPDLR01
Techstream Lite (Green Cable)
1
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 14.10.028 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Repair Procedure
1. Using Techstream, check for the following DTC and information code:
 DTC P0A7A – Generator Inverter Performance.

Information code 122 – generator inverter fail signal detection (overcurrent due to
system malfunction).
Are DTC P0A7A and information code 122 present?
 YES — Continue to step 2.

NO — If ANY other DTCs are present or the information code is NOT present, this Service
Bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
© 2019 Toyota Motor Sales, USA
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MIL ON DTC P0A7A With Information Code 122
Repair Procedure (continued)
2. Using the available freeze-frame data for DTC P0A7A-122 (there will be freeze-frame available
for this information code), confirm the values of the following data list parameters:
 Generator (MG1) Rev

MG1 Control Mode
Confirm Generator (MG1) Rev is out of range between 6,000 – 10,000 AND MG1 Control
Mode is 1 or 2. (Refer to Figures 1 and 2 for examples of the freeze-frame data.)
Are the freeze-frame values within the specified targets?
 YES — Continue to step 3.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
Figure 1.
Check 1
Figure 2.
Check 2
© 2019 Toyota Motor Sales, USA
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MIL ON DTC P0A7A With Information Code 122
Repair Procedure (continued)
3. Replace the inverter assembly and transaxle assembly.
Refer to TIS, applicable model and model year Repair Manual:
 2013 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”

2014 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”

2015 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle(When Not Using the Engine Support Bridge):
Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle(When Using the Engine Support Bridge): Removal / Installation”

2016 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle(When Not Using the Engine Support Bridge):
Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle(When Using the Engine Support Bridge): Removal / Installation”

2012 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”
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MIL ON DTC P0A7A With Information Code 122
Repair Procedure (continued)

2013 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”

2014 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid / Battery Control:
Inverter With Converter [08/2013 – 12/2013]: Removal / Installation”
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid / Battery Control:
Inverter With Converter [12/2013 - Current]: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”

2015 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle (When Not Using the Engine Support Bridge):
Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle (When Using the Engine Support Bridge): Removal / Installation”

2016 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle (When Not Using the Engine Support Bridge):
Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle (When Using the Engine Support Bridge): Removal / Installation”

2016 RAV4 HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid / Battery Control:
Inverter With Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission / Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”
4. Clear the DTCs and test-drive the vehicle to confirm the repair.
© 2019 Toyota Motor Sales, USA