Engine Maintenance Required Message With DTC(S) P268111 And/Or P268115 (T-SB-0112-24 REV1)

WARNING: This page is about the Highlander Hybrid LE, 2.5L Eng VIN A, which is a different variant/trim than selected.

Publication date: 2025-01-07
Reference number: T-SB-0112-24 REV1
Supersedes refnos: T-SB-0112-24

ENGINE MAINTENANCE REQUIRED MESSAGE WITH DTC(S) P268111 AND/OR P268115

TECHNICAL SERVICE BULLETIN

Reference Number(s): T-SB-0112-24 Rev1, Date of Issue: January 07, 2025

TOYOTA:	2019 - 2021 Avalon HV, Corolla, Corolla Hatchback, RAV4, RAV4 HV; 2021 Avalon, RAV4 Prime, Sienna HV, Venza HV; 2018 - 2021 Camry, Camry HV; 2020 - 2021 Highlander HV
SERVICE CATEGORY:	Engine/Hybrid System
SECTION:	Cooling
MARKET:	USA and Mexico
COPYRIGHT:	© 2018 Toyota, USA License Agreement TMS1002

Superceded Bulletin(s): T-SB-0112-24, Date of Issue: December 05, 2024

APPLICABILITY

YEAR(S)	MODEL(S)	ADDITIONAL INFORMATION
2019 - 2021	Avalon HV, Corolla, Corolla Hatchback, RAV4, RAV4 HV
2021	Avalon, RAV4 Prime, Sienna HV, Venza HV
2018 - 2021	Camry, Camry HV
2020 - 2021	Highlander HV

REVISION NOTICE

January 07, 2025 Rev1:

The Parts Information and Repair Procedure sections have been updated.

Any previous printed versions of this bulletin should be discarded.

INTRODUCTION

Some 2018 - 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an "Engine Maintenance Required" message is displayed in the Multi-Information Display (MID). Additionally, the vehicle will exhibit DTC(s) P268111 (Engine Coolant Bypass Valve Circuit Short to Ground) and/or P268115 (Engine Coolant Bypass Valve Circuit Short to Battery or Open). Follow the Repair Procedure in this bulletin to address this condition.

WARRANTY INFORMATION

NOTE: Refer to Campaign Publication 24TE04 for warranty applicability and claim filing instructions.

PARTS INFORMATION

MODEL	PART NUMBER		PART NAME	QTY
MODEL	PREVIOUS	NEW	PART NAME	QTY
Corolla Corolla Hatchback	16671-F2010	16671-F2030	Valve, Water	1
Avalon Camry RAV4	16260-F0010	16260-F0300	Hose Assy, Water By-Pass, No. 1	1
Avalon HV Camry HV RAV4 HV RAV4 Prime Venza HV	16260-F0021	16260-F0310
Highlander HV Sienna HV	16260-F0100	16260-F0330
Sienna HV (Mexico Spec)	16260-F0140	16260-F0340
All	00272-SLLC2		Coolant - Super Long Life	1

NOTE: Parts are vehicle specific. Do NOT order ALL parts listed in this table.

REQUIRED TOOLS & EQUIPMENT

REQUIRED EQUIPMENT

SUPPLIER

PART NUMBER

QTY

Techstream ADVi⁽¹⁾

ADE

TSADVUNIT

Techstream 2.0

TS2UNIT

Techstream Lite

TSLITEPDLR01

Techstream Lite (Green Cable)

TSLP2DLR01

⁽¹⁾	Essential SST.

NOTE:

Only ONE of the Techstream units listed above is required.
GTS+ Software version 2024.04.004.02 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787 or by visiting TIS - Diagnostics - Tools & Equipment - Techstream Order Portal.

REPAIR PROCEDURE

Confirm the condition exists.
Is the "Engine Maintenance Required" message displayed in the MID?
- YES - Continue to step 2.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable
  Repair Manual.
Using GTS+, perform a Health Check and inspect for ANY of the following DTCs:
- P268111 - Engine Coolant Bypass Valve Circuit Short to Ground
- P268115 - Engine Coolant Bypass Valve Circuit Short to Battery or Open
Does this vehicle contain ANY of the above listed DTCs?
- YES - Continue to step 3.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable
  Repair Manual.
Is the vehicle a Corolla or a Corolla Hatchback?
- YES - Go to step 5.
- NO - Continue to step 4.
Is the vehicle an Avalon, Avalon HV, Camry, Camry HV, Highlander HV, RAV4, RAV4 HV, RAV4 Prime, Sienna HV, or a Venza HV?
- YES - Go to step 6.
- NO - This bulletin does NOT apply. Continue diagnosis using the applicable
  Repair Manual.
Remove and replace the water valve.
1. Remove the water valve.
  Refer to TIS, applicable model and model year Repair Manual:
  - 2019 Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (01/2019 - 03/2019) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (03/2019 - 09/2019) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (09/2019 - 04/2020) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2021 (04/2020 - 06/2020) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2021 (06/2020 - 09/2020) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2021 (09/2020 - 06/2021) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
2. Install the NEW water valve.
  Refer to TIS, applicable model and model year Repair Manual:
  - 2019 (06/2018 - 01/2019) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (01/2019 - 03/2019) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (03/2019 - 09/2019) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (09/2019 - 04/2020) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2021 (04/2020 - 06/2020) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2021 (06/2020 - 09/2020) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2021 (09/2020 - 06/2021) Corolla and Corolla Hatchback:
    Engine/Hybrid System - M20A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
3. Go to step 7.
Remove and replace the water bypass valve hose assembly No. 1.
1. Remove the water bypass valve hose assembly No. 1.
  Refer to TIS, applicable model and model year Repair Manual:
  - 2021 Avalon:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2019/2020/2021 Avalon HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2018/2019 Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (09/2019 - 03/2020) Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (03/2020 - 10/2020) Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2021 Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2018/2019/2020/2021 Camry HV:
    Engine/Hybrid System - A25A-FXS (Cooling) -Flow Shutting Valve - Removal
  - 2020/2021 Highlander HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2019 (11/2018 - 02/2019) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2019 (02/2019 - 10/2019) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (10/2019 - 01/2020) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (01/2020 - 06/2020) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2020 (06/2020 - 08/2020) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2021 RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Removal
  - 2019 (11/2018 - 02/2019) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2019 (02/2019 - 10/2019) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2020 (10/2019 - 01/2020) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2020 (01/2020 - 06/2020) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2020 (06/2020 - 08/2020) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2021 RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2021 RAV4 Prime:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2021 Sienna HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
  - 2021 Venza HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Removal
2. Install the NEW water bypass valve hose assembly No. 1.
  Refer to TIS, applicable model and model year Repair Manual:
  - 2021 Avalon:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2019/2020/2021 Avalon HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2018/2019 Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (09/2019 - 03/2020) Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (03/2020 - 10/2020) Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2021 Camry:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2018/2019/2020/2021 Camry HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2020/2021 Highlander HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2019 (11/2018 - 02/2019) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2019 (02/2019 - 10/2019) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (10/2019 - 01/2020) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (01/2020 - 06/2020) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2020 (06/2020 - 08/2020) RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2021 RAV4:
    Engine/Hybrid System - A25A-FKS (Cooling) - Flow Shutting Valve (for Heater) - Installation
  - 2019 (11/2018-02/2019) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2019 (02/2019-10/2019) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2020 (10/2019-01/2020) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2020 (01/2020-06/2020) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2020 (06/2020-08/2020) RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2021 RAV4 HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2021 RAV4 Prime:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2021 Sienna HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
  - 2021 Venza HV:
    Engine/Hybrid System - A25A-FXS (Cooling) - Flow Shutting Valve - Installation
3. Continue to step 7.
Using GTS+, clear ANY DTCs and test-drive the vehicle to confirm the condition has been resolved.