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NHTSA ID Number: 11036123

Manufacturer Communication Number: 26TC03

TSB/Document Date: 2026-08-12


Summary

TECHNICAL INSTRUCTIONS FOR EMISSION NONCOMPLIANCE RECALL 26TC03 Certain 2022 – 2025 Model Year RAV4 Incorrect Mass Air Flow Sensor Reading


TECHNICAL INSTRUCTIONS
FOR
EMISSION NONCOMPLIANCE RECALL 26TC03
Certain 2022 – 2025 Model Year RAV4
Incorrect Mass Air Flow Sensor Reading
The repair quality of covered vehicles is extremely important to ToyotaeBay logo. All dealership technicians
performing this recall are required to successfully complete the most current version of the E-Learning
course “Safety Recall and Service Campaign Essentials”. To ensure that all vehicles have the repair
performed correctly; technicians performing this repair are required to have completed the following
course:
- TIC206B - Electrical Repair 2
It is the dealership’s responsibility to select technicians that have completed the above course to
perform this repair. Carefully review your resources, the technician skill level, and ability before
assigning technicians to this repair. It is important to consider technician days off and vacation
schedules to ensure there are properly trained technicians available to perform this repair at all times.

© 2026 Toyota Motor Sales, USA

I.

OPERATION FLOW CHART

II. IDENTIFICATION OF AFFECTED VEHICLES
1.

CHECK VEHICLE FOR CAMPAIGN ELIGIBILITY
a. Compare the vehicles VIN to the VIN listed on the Repair Order to ensure they match.
b. Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this Campaign, and
that it has not already been completed.

Note: TMNA warranty will not reimburse dealers for repairs completed on vehicles that are not
affected or were previously completed, even by another dealer.

© 2026 ToyotaeBay logo Motor Sales, USA

2

III. PREPARATION
A. PARTS

Part Number

Part Description

Quantity

04006-0210R

GUIDE, RADIATOR AIR, NO.2

1

TOOLS & EQUIPMENT

B.

Standard Hand Tools

IV. WORK PROCEDURE TABLE OF CONTENTS
BACKGROUND ························································································· SECTION V.
COMPONENTS ························································································· SECTION Vl.
UPPER RADIATOR AIR GUIDE REPLACEMENT ············································· SECTION VIl.
APPENDIX ······························································································· SECTION VII.

V.

BACKGROUND
Under certain conditions, water contacting the radiator in the subject vehicles can create
steam that can cause an incorrect sensor reading. This can lead to a warning light, a roughrunning engine, or a potential engine stall while idling or operating at low speeds for a
prolonged period of time.

VI.

COMPONENTS

1

UPPER RADIATOR AIR GUIDE PLATE

2

RADIATOR SUPPORT SUB-ASSEMBLY

© 2026 Toyota Motor Sales, USA

3

VII.

UPPER RADIATOR AIR GUIDE REPLACEMENT
1. Remove four 10mm bolts from Upper
Radiator Air Guide Plate.
2. Remove Inlet Duct Assembly.

3. Using pry tool, remove 5 push clips from
Upper Radiator Air Guide Plate.

4. Remove three 10mm bolts from Hood Latch
Assembly.

5. Remove connectors from both horns.

6. Remove two 10mm bolts from each side of
Radiator Upper Support.

© 2026 ToyotaeBay logo Motor Sales, USA

4

7. Remove Hood Latch Connector and two
clips securing Hood Release Cable.

8. Set Hood Release Cable aside.

9. Disconnect clip from Side Radiator Guides

10. Remove Hood Latch Connector clip and
harness clips using pick

© 2026 ToyotaeBay logo Motor Sales, USA

5

11. Remove Upper Radiator Support.

12. Turn Upper Radiator Support over to access
Upper Air Guide clips

13. Using a pick, release Upper Air Guide clips.
14. Remove Upper Air Guide and mark it.
15. Install new Upper Air Guide.
16. Reverse steps to reassemble.
Torque Specs:
HOOD LOCK ASSEMBLY:

UPPER RADIATOR SUPPORT SUB-ASSEMBLY:

◄ VERIFY REPAIR QUALITY ►

Confirm satisfactory appearance and cleanliness of the vehicle interior before returning the vehicle to
the customer.

VIII. APPENDIX
© 2026 Toyota Motor Sales, USA

6

A.

CAMPAIGN DESIGNATION DECODER

Examples:
19TA01 = Launched in 2019, ToyotaeBay logo, Safety Recall Remedy Phase, 1st Safety Recall Launched in 2019
20TC02 = Launched in 2020, Special Service Campaign, 2nd Special Service Campaign Launched in 2020
21TE05 = Launched in 2021, Customer Support Program, 5th Customer Support Program Launched in 2021

B. CAMPAIGN PARTS DISPOSAL
As required by Federal Regulations, please make sure all campaign parts (original parts) removed from the vehicle are
disposed of in a manner in which they will not be reused, unless requested for parts recovery return.

© 2026 Toyota Motor Sales, USA

7

1

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TSB/Document ID: 26TC03

Replacement Service Bulletin Number:

MFR Communication Date: 2026-07-09

MFR Internal Campaign ID/Software Version: 26TC03

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ENGINE

MFR Component System:

MFR Component Subsystem:


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