NHTSA ID Number: 10240057
Manufacturer Communication Number: TSB-0033-23
TSB/Document Date: 2023-07-31
Summary
TSB: Some 2020 ? 2023 model year Highlander Hybrid
and 2021 ? 2023 model year RAV4 Hybrid, RAV4 Prime, Sienna Hybrid, and Venza Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: ?P24517F ? Evaporative Emission System Switching Valve Actuator Stuck Off. ?P14502A ? Fuel Tank Pressure Sensor Signal Stuck in Range.
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- Restores fuel economy
- Stabilizes ethanol
- Maximizes horsepower
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- For use in both gasoline and diesel engines
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TSB/Document ID: TSB-0033-23
Replacement Service Bulletin Number:
MFR Communication Date: 2023-06-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, GASOLINE
MFR Component System:
MFR Component Subsystem:
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T-SB-0033-23
June 8, 2023
MIL ON With DTCs P24517F and/or P14502A
Service
Category
Engine/Hybrid System
Section
Fuel System
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2020 - 2023
Highlander HV
2021 - 2023
RAV4 HV, RAV4 Prime,
Sienna HV, Venza HV
Introduction
Some 2020 – 2023 model year Highlander Hybrid and 2021 – 2023 model year RAV4 Hybrid,
RAV4 Prime, Sienna Hybrid, and Venza Hybrid vehicles may exhibit a MIL ON condition with one
or both of the following Diagnostic Trouble Codes (DTCs) present:
P24517F – Evaporative Emission System Switching Valve Actuator Stuck Off.
P14502A – Fuel Tank Pressure Sensor Signal Stuck in Range.
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
Sienna HV
PLANT
TMMI
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
2WD
5TDZRKEC#PS151019
5TDERKEC#PS151019
5TDGRKEC#PS151019
5TDDRKEC#PS151019
5TDCRKEC#PS151019
5TDXRKEC#PS151019
5TDYRKEC#PS151019
5TDJRKEC#PS151019
5TDKRKEC#PS151019
5TDBRKEC#PS151019
© 2023 Toyota Motor Sales, USA
Page 1 of 6
T-SB-0033-23
June 8, 2023
Page 2 of 6
MIL ON With DTCs P24517F and/or P14502A
Production Change Information (continued)
MODEL
Sienna HV
PLANT
TMMI
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
AWD
5TDZSKFC#PS083228
5TDGSKFC#PS083228
5TDESKFC#PS083228
5TDXSKFC#PS083228
5TDCSKFC#PS083228
5TDDSKFC#PS083228
5TDJSKFC#PS083228
5TDASKFC#PS083228
5TDYSKFC#PS083228
5TDBSKFC#PS083228
5TDKSKFC#PS083228
RAV4 Prime
JTMAB3FV#PD112920
TICO
JTM16RFV#PD079274
JTMB6RFV#PD536834
JTMRWRFV#PJ056039
JTM16RFV#PJ056039
JTMP1RFV#PJ056039
JTMW1RFV#PJ056039
JTMC1RFV#PJ056039
JTMD6RFV#PJ056039
JTME6RFV#PJ056039
Takaoka
4WD
RAV4 HV
TMMC
© 2023 Toyota Motor Sales, USA
2T3DWRFV#PW353009
2T3RWRFV#PW353009
2T35WRFV#PW353009
2T34WRFV#PW353009
2T3MWRFV#PW353009
2T3LWRFV#PW353009
2T3BWRFV#PW353009
2T3D6RFV#NW037936
2T3E6RFV#NW037936
2T3B6RFV#NW037936
2T3R6RFV#NW037936
2T3T6RFV#NW037936
2T3M6RFV#NW037936
2T3L6RFV#NW037936
T-SB-0033-23
June 8, 2023
Page 3 of 6
MIL ON With DTCs P24517F and/or P14502A
Production Change Information (continued)
MODEL
RAV4 HV
Highlander HV
Venza HV
PLANT
TMMK
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
4WD
4T3DWRFV#PU090125
4T3RWRFV#PU090125
4T3MWRFV#PU090125
4T3LWRFV#PU090125
4T3D6RFV#PU114639
4T3E6RFV#PU114639
4T3R6RFV#PU114639
4T3B6RFV#PU114639
4T3T6RFV#PU114639
4T3L6RFV#PU114639
4T3M6RFV#PU114639
2WD
5TDFARAH#PS017752
5TDYARAH#PS017752
5TDLA3AH#PS017752
5TDGARAH#PS017752
5TDAARAH#PS017752
5TDHARAH#PS017752
5TDZARAH#PS017752
AWD
5TDEBRCH#PS115785
5TDXBRCH#PS115785
5TDFBRCH#PS115785
5TDDBRCH#PS115785
5TDLB3CH#PS115785
5TDLC3CH#PS115785
5TDGBRCH#PS115785
5TDHBRCH#PS115785
5TDABRCH#PS115785
5TDBBRCH#PS115785
4WD
JTEAAAAH#PJ120842
TMMI
Takaoka
© 2023 Toyota Motor Sales, USA
T-SB-0033-23
June 8, 2023
Page 4 of 6
MIL ON With DTCs P24517F and/or P14502A
Warranty Information
OP CODE
MODEL
DESCRIPTION
TIME
Sienna HV
0.6
RAV4 Prime
0.7
OFP
T1
T2
8A
83
90910-15085
237851
RAV4 HV
R & R Fuel Evaporative
Separator Sub-assembly
0.5
Highlander HV
0.5
Venza HV
0.6
77070-##### *
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being repaired
by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
This repair is covered under the Toyota Federal 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 2021 – 2023 model year Sienna HV, 2021 model year RAV4 HV, and 2021 model year Venza
HV 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 2020 – 2023 model year Highlander HV, 2022 – 2023 model year RAV4 HV, and 2022 – 2023
model year Venza HV 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 Warranty Policy 4.7 and/or
the Owner’s Warranty & Maintenance Guide for additional information).
For 2021 – 2023 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).
© 2023 Toyota Motor Sales, USA
T-SB-0033-23
June 8, 2023
Page 5 of 6
MIL ON With DTCs P24517F and/or P14502A
Parts Information
PART NUMBER
MODEL
PREVIOUS
NEW
90910-15085
90910-15089
PART NAME
QTY
Valve Assy, Close Tank
1
Sienna HV
RAV4 Prime
RAV4 HV
Highlander HV
77070-48010
77070-48011
Venza HV
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream ADVi*
Techstream 2.0
Techstream Lite
QTY
TSADVUNIT
ADE
TS2UNIT
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
GTS+ software version 2023.02.001.02 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Repair Procedure
1. Confirm the condition exists.
A. Using Techstream, does the vehicle exhibit a MIL ON condition with one or both of the
following DTCs stored?
P24517F – Evaporative Emission System Switching Valve Actuator Stuck Off
P14502A – Fuel Tank Pressure Sensor Signal Stuck in Range
B. Are ANY of the DTCs listed above present?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2023 Toyota Motor Sales, USA
1
T-SB-0033-23
June 8, 2023
Page 6 of 6
MIL ON With DTCs P24517F and/or P14502A
Repair Procedure (continued)
2. Remove the fuel vapor containment valve (close tank with bolt valve assembly).
Refer to TIS, applicable model and model year Repair Manual:
2020 – 2023 Highlander HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Removal”
2021 – 2023 RAV4 HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve (w/ Canister Pump Module): Removal”
2021 – 2023 RAV4 Prime:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Removal”
2021 – 2023 Sienna HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Removal”
2021 – 2023 Venza HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Removal”
3. Install the NEW fuel vapor containment valve (close tank with bolt valve assembly).
Refer to TIS, applicable model and model year Repair Manual:
2020 – 2023 Highlander HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Installation”
2021 – 2023 RAV4 HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve (w/ Canister Pump Module): Installation”
2021 – 2023 RAV4 Prime:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Installation”
2021 – 2023 Sienna HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Installation”
2021 – 2023 Venza HV:
Engine/Hybrid System – Emission Control – “A25A-FXS (Emission Control): Fuel Vapor
Containment Valve: Installation”
4. Clear ALL DTCs and confirm the condition is no longer present.
© 2023 Toyota Motor Sales, USA
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