NHTSA ID Number: 10249326
Manufacturer Communication Number: TTT074523
TSB/Document Date: 2024-01-29
Summary
TSB: Some 2023 model year RX 500h vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P24517F ? Evaporative Emission System Switching Valve Actuator Stuck Off present. This DTC may erroneously be displayed when the fault is related to DTC P14502A ? Fuel Tank Pressure Sensor Signal Stuck in Range. The Engine Control Model (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified so DTC P24517F will not be erroneously detected. Follow the Repair Procedure in this bulletin to address these conditions.
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TSB/Document ID: TTT074523
Replacement Service Bulletin Number:
MFR Communication Date: 2024-12-18
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
MFR Component System:
MFR Component Subsystem:
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Tech Tip T-TT-0745-23
December 19, 2023
Subject
Market
Request for Detailed Reporting of Oil Leaks from
A25A Engines
USA
Service Category
Section
Engine/Hybrid
System
Lubrication
Applicability
Vehicles with A25A Engines
APPLICABLE VEHICLES
2020-2022
2020-2024
2020-2024
2021-2024
Avalon HV
RAV4
RAV4 HV
Sienna HV
2020-2024
2020-2024
2020-2024
Highlander HV
Camry
Camry HV
CONDITION
Engine Oil Leak between the Lower Oil Pan and Crank Case
RECOMMENDATIONS
Please report (via DPR or FTR) oil leaks and include the following information:
1. Macro photos (far away) of both entire sides of the sealing surface (lower oil pan and crank
case side)
Examples:
Continued on Next Page
Expires on
Ver. 5.0 01/01/2023 T
06/19/2024
© 2023, Toyota Motor Sales, USA
Page 1 of 2
Tech Tip T-TT-0745-23
December 19, 2023
Subject
Market
Request for Detailed Reporting of Oil Leaks from A25A
Engines
USA
Applicability
RECOMMENDATIONS
2. Micro photos (close up) of the suspected leak path in the FIPG
Examples:
3. Notation if you suspect:
a. Insufficient or lack of FIPG (poor diameter of bead)
b. Mis-location of FIPG (off centered bead)
c. Any gaps in FIPG
d. Insufficient adherence of the FIPG (not sticking to one of the surfaces)
Example diagram of different application conditions:
LINK REFERENCES
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Expires on
Ver. 5.0 01/01/2023 T
06/19/2024
© 2023, Toyota Motor Sales, USA
Page 2 of 2
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