Please see T-SB-0033-23
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.
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.
2. Remove the fuel vapor containment valve (close tank with bolt valve assembly).
3. Install the NEW fuel vapor containment valve (close tank with bolt valve assembly).
4. Clear ALL DTCs and confirm the condition is no longer present.
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.
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.
2. Remove the fuel vapor containment valve (close tank with bolt valve assembly).
3. Install the NEW fuel vapor containment valve (close tank with bolt valve assembly).
4. Clear ALL DTCs and confirm the condition is no longer present.