Mil On With DTC(S) P1C84-49 And/Or P3004-49 In Freezing Temperatures (T-SB-0085-23 REV1)
Reference number: T-SB-0085-23 REV1
Supersedes refnos: T-SB-0085-23
MIL ON WITH DTC(S) P1C84-49 AND/OR P3004-49 IN FREEZING TEMPERATURES
TECHNICAL SERVICE BULLETIN
| TOYOTA: | 2019 - 2022 Avalon HV; 2018 - 2023 Camry HV; 2022 Corolla HV; 2023 Crown, Sequoia HV; 2020 - 2023 Highlander HV; 2021 - 2023 Mirai, Sienna HV, Venza HV; 2017 - 2022 Prius Prime; 2016 - 2022 Prius; 2019 - 2023 RAV4 HV; 2021 - 2022 RAV4 Prime; 2022 - 2023 Tundra HV |
| SERVICE CATEGORY: | Vehicle Interior |
| SECTION: | Meter/Gauge/Display |
| MARKET: | USA and Mexico |
| COPYRIGHT: | © 2023 Toyota, USA License Agreement TMS1002 |
APPLICABILITY
| YEAR(S) | MODEL(S) | ADDITIONAL INFORMATION |
|---|---|---|
| 2019 - 2022 | Avalon HV | |
| 2018 - 2023 | Camry HV | |
| 2022 | Corolla HV | |
| 2023 | Crown, Sequoia HV | |
| 2020 - 2023 | Highlander HV | |
| 2021 - 2023 | Mirai, Sienna HV, Venza HV | |
| 2017 - 2022 | Prius Prime | |
| 2016 - 2022 | Prius | |
| 2019 - 2023 | RAV4 HV | |
| 2021 - 2022 | RAV4 Prime | |
| 2022 - 2023 | Tundra HV |
REVISION NOTICE
November 17, 2023 Rev1:
- The Required Tools & Equipment section has been updated.
Any previous printed versions of this bulletin should be discarded.
INTRODUCTION
Some 2016 - 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (DTCs) may be present:
- P1C8449 - (High Voltage Power Resource Circuit Short during Ready ON)
- P300449 - (High Voltage Power Resource Circuit Short during Pre-Charge)
Follow the Repair Procedure in this bulletin to address this condition.
PRODUCTION CHANGE INFORMATION
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs shown below.
| MODEL | PLANT | DRIVETRAIN | BATTERY TYPE | PRODUCTION CHANGE EFFECTIVE VIN |
|---|---|---|---|---|
| Avalon HV | TMMK | 2WD | Li-ion | 4T1AA1AB#NU015644 |
| 4T1EA1AB#NU015935 | ||||
| 4T1#A1AB#NU015937 | ||||
| Camry HV | TMMK (line 1) | 4T1#31AK#PU059520 | ||
| TMMK (Line 2) | 4T1#31AK#PU619648 | |||
| TMMK | 2WD | Ni-MH | 4T1B21HK#PU020276 | |
| Corolla HV | Takaoka | 2WD | Li-ion | JTDEAMDE8NJ040666 |
| JTDBARDE2NJ040680 | ||||
| JTDBAMDE1NJ040690 | ||||
| Crown | Tsutsumi | AWD | Ni-MH | JTDAAAAF#P3002952 |
| JTDAFAAF#P3001216 | ||||
| Highlander HV | TMMI (Line 1) | 2WD | 5TD#ARAH#PS021955 | |
| AWD | 5TD#BRCH#PS130283 | |||
| TMMI (Line 2) | 2WD | 5TD#ARAH#PS527352 | ||
| AWD | 5TD#BRCH#PS593492 | |||
| Mirai | Motomachi | 2WD | Li-ion | JTDAAAAA#PA310008 |
| Prius | Tsutsumi | JTDKA#FU#N3167037 | ||
| AWD | Ni-MH | JTDL9#FU#N3035266 | ||
| Prius Prime | 2WD | Li-ion | JTDKA#FP#N3208831 | |
| RAV4 HV | TMMK | AWD | Ni-MH | 4T3#WRFV#PU101497 |
| Li-ion | 4T3#6RFV#PU130419 | |||
| TMMC | Ni-MH | 2T3#WRFV#PW169155 | ||
| Takaoka | JTMRWRFV6PJ056266 | |||
| Li-ion | JTMD6RFV4PJ026838 | |||
| JTMB6RFV1PJ026836 | ||||
| JTME6RFV3PJ026625 | ||||
| JTM16RFV2PJ026842 | ||||
| TICO (Line 26) | Ni-MH | JTMRWRFV5PD573895 | ||
| JTMLWRFV0PD573891 | ||||
| JTMMWRFV0PD573930 | ||||
| Li-ion | JTMD6RFV1PD540659 | |||
| JTMB6RFVXPD540635 | ||||
| JTME6RFV8PD540632 | ||||
| JTM16RFV0PD540638 | ||||
| TICO (Line 27) | Ni-MH | JTMRWRFV6PD176888 | ||
| JTMLWRFV8PD177112 | ||||
| JTMMWRFV1PD176971 | ||||
| Li-ion | JTMD6RFV3PD089458 | |||
| JTMB6RFV9PD089343 | ||||
| JTM16RFV0PD089324 | ||||
| RAV4 Prime | TICO | JTMCB3FV2ND080784 | ||
| JTMAB3FV6ND080620 | ||||
| JTMEB3FV3ND080625 | ||||
| JTMFB3FV0ND083258 | ||||
| JTMGB3FV9ND080654 | ||||
| JTMGB3FV1ND083273 | ||||
| Sequoia HV | TMMTX | 2WD | Ni-MH | 7SVAAAAA#PX002136 |
| 4WD | 7SVAAABA#PX016087 | |||
| Sienna HV | TMMI | 2WD | 5TD#RKEC#PS164578 | |
| AWD | 5TD#SKFC#PS092709 | |||
| Tundra HV | TMMTX | 2WD | 5TF#C5AB#PX002697 | |
| 5TF#C5BC#PX001180 | ||||
| 4WD | 5TF#C5DB#PX034074 | |||
| 5TF#C5EC#PX003943 | ||||
| Venza HV | Takaoka | AWD | Li-ion | JTEAAAAH4PJ126924 |
| JTEAAAAH5PJ126866 | ||||
| JTEAAAAH6PJ126861 | ||||
| JTEAAAAH5PJ127144 | ||||
| JTEAAAAH0PJ126905 | ||||
| JTEAAAAH1PJ126993 |
WARRANTY INFORMATION
For USA Market
| OP CODE | DESCRIPTION | MODEL | TIME | OFP | T1 | T2 | ||
|---|---|---|---|---|---|---|---|---|
| EL2309 | R & R Hybrid Vehicle Relay Assembly | Avalon Hybrid | 0.9 | G92Z0-#####(1) | 8A | 02 | ||
| Camry Hybrid | 0.9 | |||||||
| Corolla Hybrid | 1.0 | |||||||
| Mirai | 3.1 | |||||||
| Prius | 1.5 | |||||||
| Prius Prime | 2.0 | |||||||
| RAV4 Hybrid w/ | 0.8 | |||||||
| VDS #6RFV | ||||||||
| RAV4 Hybrid w/ | 1.0 | |||||||
| VDS #WRFV | ||||||||
| Venza Hybrid | 0.8 | |||||||
|
||||||||
APPLICABLE WARRANTY
- This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 36,000 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 2018 - 2019 model year Camry Hybrid vehicles equipped with a California Certified Emission Control System that are registered and operated in California or any state that adopts California emission warranty - California Emission Short-Term Defect Warranty is in effect for 3 years or 50,000 miles from the vehicle's in-service date, whichever occurs first. (Please reference Policy 4.7, and/or the Owner's Warranty & Maintenance Guide for additional information)
- For 2019 - 2022 model year Avalon Hybrid, 2020 - 2023 model year Camry Hybrid, 2022 model year Corolla Hybrid, 2019 - 2023 model year RAV4 Hybrid, and 2021 - 2023 model year Venza Hybrid vehicles equipped with a California Certified Emission Control System that are registered and operated in California or any state that adopts California emission warranty - California Emission Long-Term Defect Warranty is in effect for 7 years or 70,000 miles from the vehicle's in-service date, whichever occurs first. (Please reference Policy 4.7, and/or the Owner's Warranty & Maintenance Guide for additional information)
- For 2016 - 2017 model year Prius and 2017 - 2022 model year Prius Prime vehicles equipped with a California Certified Emission Control System that are registered and operated in California or any state that adopts California emission warranty - Partial Zero Emission Vehicle (PZEV) Emission Warranty Coverage is in effect for 15 years or 150,000 miles, from the vehicle's inservice date, whichever occurs first. (Please reference Warranty Policy Bulletin POL14-09, Warranty Policy 4.7, and/or the Owner's Warranty & Maintenance Guide for additional information)
| OP CODE | DESCRIPTION | MODEL | TIME | OFP | T1 | T2 | ||
|---|---|---|---|---|---|---|---|---|
| EL2311 | R & R Hybrid Vehicle Relay Assembly | Crown w/VDS AAAAF | 1.0 | G3850-#####(1) G3860-#####(1) |
8A | 02 | ||
| Crown w/VDS AFAAF | 1.1 | |||||||
| Highlander Hybrid | 1.0 | |||||||
| RAV4 Prime | 3.5 | |||||||
| Sequoia Hybrid | 2.5 | |||||||
| Sienna Hybrid | 1.4 | |||||||
| Tundra Hybrid | 1.4 | |||||||
|
||||||||
APPLICABLE WARRANTY
- This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 60 months or 60,000 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.
- 2020 - 2023 model year Highlander HV, 2023 model year Sequoia HV, and 2022 - 2023 model year Tundra HV vehicles equipped with a California Certified Emission Control System that are registered and operated in California or any state that adopts California emission warranty - California Emission Long-Term Defect Warranty is in effect for 7 years or 70,000 miles from the vehicle's in-service date, whichever occurs first. (Please reference Policy 4.7, and/or the Owner's Warranty & Maintenance Guide for additional information)
- For 2021 - 2022 model year RAV4 Prime* vehicles equipped with a California Certified Emission Control System that are registered and operated in California or any state that adopts California emission warranty -- Partial Zero Emission Vehicle (PZEV) Emission Warranty Coverage is in effect for 15 years or 150,000 miles, from the vehicle's in-service date, whichever occurs first. (Please reference Warranty Policy Bulletin POL14-09, Warranty Policy 4.7, and/or the Owner's Warranty & Maintenance Guide for additional information)
*For 2021 - 2022 RAV4 Prime, PZEV coverage only applies if the MIL is illuminated.
For Mexico Market
| OP CODE | DESCRIPTION | MODEL | TIME | OFP | T1 | T2 | ||
|---|---|---|---|---|---|---|---|---|
| EL2309 | R & R Hybrid Vehicle Relay Assembly | Avalon Hybrid | 0.9 | G92Z0-#####(1) | 8A | 02 | ||
| Camry Hybrid | 0.9 | |||||||
| Corolla Hybrid | 1.0 | |||||||
| Mirai | 3.1 | |||||||
| Prius | 1.5 | |||||||
| Prius Prime | 2.0 | |||||||
| RAV4 Hybrid w/VDS #6RFV | 0.8 | |||||||
| RAV4 Hybrid w/VDS #WRFV | 1.0 | |||||||
| Venza Hybrid | 0.8 | |||||||
| EL2311 | R & R Hybrid Vehicle Relay Assembly | Crown w/VDS AAAAF | 1.0 | G3850-#####(1) G3860-#####(1) |
8A | 02 | ||
| Crown w/VDS AFAAF | 1.1 | |||||||
| Highlander Hybrid | 1.0 | |||||||
| RAV4 Prime | 3.5 | |||||||
| Sequoia Hybrid | 2.5 | |||||||
| Sienna Hybrid | 1.4 | |||||||
| Tundra Hybrid | 1.4 | |||||||
|
||||||||
APPLICABLE WARRANTY
- This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 60,000 kilometers, whichever occurs first, from the vehicle's in-service date.
- Warranty application is limited to occurrence of the specified condition described in this bulletin.
PARTS INFORMATION
For USA and Mexico Markets
| PART NUMBER | PART NAME | QTY |
|---|---|---|
| G92Z0-33041 - G92Z0-47100 | Block Assy, HV Battery Junction | 1 |
| G92Z0-33051 - G92Z0-47110 | 1 | |
| G3850-48010 | Box Assy, Traction Battery Device, No. 1 | 1 |
| G3860-42010 | Box Assy, Traction Battery Device, No. 2 | 1 |
| G92Z0-47050 | Block Assy, HV Battery Junction | 1 |
REQUIRED TOOLS & EQUIPMENT
| SPECIAL SERVICE TOOLS (SST) | PART NUMBER | QTY | ||
|---|---|---|---|---|
| Battery Diagnostic Tool(1) | DCA-8000P T | 1 | ||
| Insulated Glove Set, Rubber With Leather Protectors(1) | 01413-00072 (Medium) | |||
| 01413-00073 (Large) | ||||
| 01413-00074 (Extra Large) | ||||
|
||||
| REQUIRED EQUIPMENT | SUPPLIER | PART NUMBER | QTY | ||
|---|---|---|---|---|---|
| Techstream ADVI(1) | ADE | TSADVUNIT | 1 | ||
| Techstream 2.0 | TS2UNIT | ||||
| Techstream Lite | TSLITEPDLR01 | ||||
| Techstream Lite (Green Cable) | TSLP2DLR01 | ||||
|
|||||
- Only ONE of the Techstream units listed above is required.
- GTS+ software version 2023.03.002.02 or later is required.
- Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787 (USA) or 01-55-50103041 (Mexico).
- Use Techstream or an approved J2534 interface to perform flash reprogramming updates. Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
REPAIR PROCEDURE
- Confirm the condition exists.
Does the vehicle exhibit a hybrid system warning lamp in below-freezing temperatures (below 32°F or 0°C) with DTC(s) P1C8449 and/or DTC P300449 present?
- YES - Continue to step 2.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
- Is the VIN BEFORE the one listed in the Production Change Information table?
- YES - Continue to step 3.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
- Refer to the appropriate Repair Manual to gain access to the HV battery junction block/traction battery device.
Refer to TIS, applicable model and model year Repair Manual:
- 2019 - 2020
Avalon HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2021/2022
Avalon HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2018 - 2020/2021 - 2023
Camry HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2018 - 2020/2021 - 2023
Camry HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2022
Corolla HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2022
Corolla HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2023
Crown:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for A25A-FXS): Removal"
- 2023
Crown:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for T24A-FTS): Removal"
- 2020 - 2023
Highlander HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV°Relay Assembly: Removal"
- 2021/2022/2023
Mirai:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV°Relay Assembly: Removal"
- 2016 - 2018/2019 - 2020/2021 - 2022
Prius:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2016 - 2018/2019 - 2020/2021 - 2022
Prius:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2017 - 2019/2020/2021 - 2022
Prius Prime:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Removal"
- 2019 (11/2018 - 02/2019)
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2019 (02/2019 - 10/2019)
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2020 (10/2019 - 06/2020)
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2020 (06/2020 - 08/2020)
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2021
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2022
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2023
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Removal"
- 2020 (06/2020 - 08/2020)
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2021
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2022
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2023
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Removal"
- 2021/2022
RAV4 Prime:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Removal"
- 2023
Sequoia HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Removal"
- 2021 - 2023
Sienna HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Removal"
- 2022 - 2023
Tundra HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Removal"
- 2021 - 2022/2023
Venza HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Removal"
- 2019 - 2020
Avalon HV:
- Perform an inspection of the SMRB and SMRG internal relays.
- Are the relays labeled Panasonic?
See Figure 2 for an example of a relay labeled Panasonic.
- YES - Inspect the relay date code for the countermeasure date and go to step 5.
- NO - Continue to substep B.
- Are the relays labeled Denso?
See Figure 3 for an example of a relay labeled Denso.
- YES - Inspect the relay date code for the countermeasure date and continue to step 5.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
- Are the relays labeled Panasonic?
- Were the relays produced BEFORE the countermeasure date listed in step 4?
- YES - Continue to step 6.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
- Install the NEW HV battery junction block/traction battery device.
Refer to TIS, applicable model and model year Repair Manual:
- 2019 - 2020
Avalon HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Installation"
- 2021 - 2022
Avalon HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Installation"
- 2018 - 2023
Camry HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Installation"
- 2018 - 2023
Camry HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Installation"
- 2022
Corolla HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Installation"
- 2022
Corolla HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Installation"
- 2023
Crown:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for A25A-FXS): Installation"
- 2023
Crown:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for T24A-FTS): Installation"
- 2020 - 2023
Highlander HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV°Relay Assembly: Installation"
- 2021 - 2023
Mirai:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV°Relay Assembly: Installation"
- 2016 - 2018/2019 - 2022
Prius:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Installation"
- 2016 - 2022
Prius:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Installation"
- 2017 - 2019/2020/2021 - 2022
Prius Prime:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Installation"
- 2019 - 2023
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Nickel Metal Hydride Battery): Installation"
- 2020 - 2023
RAV4 HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly (for Lithium-ion Battery): Installation"
- 2021 - 2022
RAV4 Prime:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Installation"
- 2023
Sequoia HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Installation"
- 2021 - 2023
Sienna HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Installation"
- 2022 - 2023
Tundra HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Installation"
- 2021 - 2023
Venza HV:
Engine/Hybrid System - Hybrid/Battery Control System - "Hybrid/Battery Control: HV Relay Assembly: Installation"
- 2019 - 2020
Avalon HV:
- Clear ANY DTCs and test-drive the vehicle to confirm the condition is no longer present.


