2018-2021 Toyota Models Flow Shut-off Valve Coolant Leak

Toyota has launched Customer Support Program (CSP) 24TE04 to address a potential "Flow Shut-off Valve Coolant Leak" in certain 2018-2021 Toyota models. This program aims to ensure customer satisfaction by providing coverage for repairs related to this specific issue, extending beyond the standard new vehicle warranty. Approximately 2,384,700 vehicles in the U.S. and Puerto Rico are covered by this program.

Symptoms of a Flow Shut-off Valve Coolant Leak

Owners of affected Toyota vehicles may notice a small engine coolant leak. This leak originates from a specific valve, allowing coolant to drip onto other parts of the vehicle. If your vehicle is experiencing a Toyota coolant leak, you might observe one or both of the following indicators:

• The instrument cluster displaying a "Maintenance Required" message.
• The vehicle's air conditioning (A/C) system not functioning normally.

Diagnosis and Trigger Conditions

If you suspect your vehicle has a Toyota coolant leak, an authorized Toyota dealer will need to perform a diagnosis. The condition is verified by inspecting the vehicle for a small engine coolant leak originating from the flow shut-off valve. This inspection confirms if the coolant is dripping onto other vehicle components. The specific condition covered is a small engine coolant leak that can occur from a valve allowing coolant to drip on other parts of the vehicle.

Important Warnings and Information

Toyota has issued specific instructions and warnings regarding this Customer Support Program for both owners and dealers:

• Dealers SHOULD NOT increase their stock of related repair parts. Dealers are requested to only order parts for vehicles experiencing this condition only. DO NOT ORDER FOR STOCK.
• This Customer Support Program is emission-related. Therefore, vehicles branded as salvage, total loss, true mileage unknown, or similar titles ARE ELIGIBLE for coverage under this CSP.
• Claims for repairs performed by non-qualified technicians ARE SUBJECT TO DEBIT. This emphasizes the importance of having certified Toyota technicians perform the repair.
• If an owner HAS NOT experienced the condition, they are asked to tear off the sheet included in the owner letter and insert it into their Owner's Warranty Information Booklet for future reference. This program only applies to vehicles that have exhibited the condition.
• Direct marketing of this Customer Support Program is strictly prohibited per Toyota Warranty Policy 5.22, "Warranty Solicitation." Non-compliance may result in a claim debit.

Repair Procedure Summary

Once the "Flow Shut-off Valve Coolant Leak" condition is verified, the vehicle will be repaired under the terms of Customer Support Program 24TE04. The repair involves replacing the faulty flow shut-off valve or the water bypass hose. Technical instructions for this repair are detailed in Toyota Service Bulletin (TSB) 24-TMS-0044-T.

The repair is estimated to take approximately 2 hours. However, the total time your vehicle is at the dealership may vary depending on their work schedule and parts availability. For California dealers, an Authorized Modification Label (material number 00451-00001-LBL) must be affixed under the hood after repairs are completed.

Required Parts

The repair for the "Flow Shut-off Valve Coolant Leak" involves specific components. Depending on the model and specific issue, the following parts may be used:

• Part Number 16260-F0300 (HOSE ASSY, WATER BY-PASS): Used for Avalon 2021, Camry 2018-2021, and RAV4 2019-2021.
• Part Number 16260-F0310 (HOSE ASSY, WATER BY-PASS): Used for Avalon HV 2019-2021, Camry HV 2018-2021, RAV4 HV 2019-2021, RAV4 PHV 2021, and Venza HV 2021.
• Part Number 16260-F0330 (HOSE ASSY, WATER BY-PASS): Used for Highlander HV 2020-2021 and Sienna HV 2021.
• Part Number 16671-F2030 (VALVE, WATER): Used for Corolla 2020-2021 and Corolla HB 2019-2021.
• Part Number 16260-F0340 (HOSE ASSY, WATER BY-PASS): Used for Highlander HV* 2020-2021 and Sienna HV* 2021 (*for Mexico vehicles only).

These parts are ordered by the dealer only after the condition has been diagnosed and verified in your specific vehicle. All Customer Support Program parts are eligible for the Monthly Parts Return Program, as detailed in PANT Bulletin 2011-087.

Warranty Coverage and Reimbursement

Toyota is providing comprehensive coverage for this Toyota coolant leak issue. The program offers:

• Primary Coverage: Available until November 30, 2025, regardless of the vehicle's mileage.
• Secondary Coverage: Applicable for 10 years from the date of first use or 100,000 miles, whichever occurs first.

This coverage is for work performed at an authorized Toyota dealer only and is subject to the terms and conditions outlined in the New Vehicle Limited Warranty Section of the Owner's Warranty Information booklet. If the vehicle is still under the New Vehicle Limited Warranty, the repair should be submitted as a Regular warranty claim.

Dealers will use specific Operation Codes (Op Codes) for reimbursement:

• 24TE04R1: Replace Water Valve (for Corolla & Corolla HB), with a flat rate of 1.4 hours.
• 24TE04R2: Replace Water By-pass Hose (for RAV4), with a flat rate of 1.4 hours.
• 24TE04R3: Replace Water By-pass Hose (for Avalon HV, Camry, Camry HV, Highlander, RAV4 HV, RAV4 PHV, Sienna HV, Venza), with a flat rate of 1.5 hours.

Accurate claim filing is crucial for government reporting activities. Refer to Warranty Procedure Bulletin PRO17-03 for correcting claims filed with incorrect Op Codes or VINs.

Technician Training Requirements

To ensure high-quality repairs, all dealership technicians performing this repair are required to complete the most current version of the E-Learning course "Safety Recall and Service Campaign Essentials." Additionally, technicians must complete the "TIC-201A - Engine Repair" course. Dealerships can verify technician certification levels on https://www.uotdealerreports.com.

Owner Action

If you own a 2018-2021 Toyota Avalon, Camry, Corolla, Highlander, RAV4, Sienna, or Venza model and experience symptoms of a "Flow Shut-off Valve Coolant Leak," you should contact your local authorized Toyota dealership. If the condition is verified as being covered by the program, the repair will be performed FREE OF CHARGE.

Toyota will begin notifying owners by first-class mail starting in late December 2024, with letters mailed over several months. If you have additional questions or concerns, you can contact the Toyota Brand Engagement Center at 1-800-331-4331 (Monday through Friday, 8:00 am to 8:00 pm EST, Saturday 9:00 am to 7:00 pm EST). Instructions for customer reimbursement for previously paid repairs will be included in the owner letter.

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NHTSA ID: 11012724