Vehicle May Stall During Driving At Higher Speed – 2017-2020 Toyota Sienna Mobility Vehicles

TECHNICAL INSTRUCTIONS
FOR
SAFETY RECALL 20TA02
VEHICLE MAY STALL DURING DRIVING AT HIGHER SPEED
2017 – 2020 SIENNA MOBILITY VEHICLES

 

These instructions are only for 20TA02 Sienna vehicles that have been converted  for mobility use by an authorized mobility conversion company.  All other models are detailed in separate instructions.

 

MOBILITY VEHICLE ELIGIBILITY

Are Sienna vehicles that have been converted for wheelchair accessibility able to have the remedy performed?

Only vehicles that are converted for wheelchair accessibility by a ToyotaeBay logo-authorized mobility conversion company are compatible with the remedy.

 

Who are the authorized mobility conversion companies?

Below is the list of companies that are authorized by ToyotaeBay logo to convert Sienna vehicles for wheelchair accessibility.

  • The Braun Corporation (BraunAbility)
  • Vantage Mobility International (VMI)

 

What if a vehicle is converted by a non-authorized mobility conversion company?

Sienna vehicles that have been converted for wheelchair accessibility by a non-ToyotaeBay logo authorized mobility conversion company have undergone an unauthorized modification to the factory condition of the vehicle. These vehicles may be incompatible with the remedy in their current modified condition. ToyotaeBay logo does not recommend modifying vehicles and cannot evaluate how any aftermarket, non-ToyotaeBay logo approved parts and/or modifications could affect a vehicle’s performance.

 

Notwithstanding ToyotaeBay logo’s recommendation, some dealers may be willing to perform the Safety Recall remedy with the vehicle in its current modified condition. If your dealership is willing to do so, the customer may be responsible for the cost of parts and/or labor not otherwise covered by ToyotaeBay logo’s Safety Recall. ToyotaeBay logo provides the specific remedy parts, differential oil (AWD-only), and covers 2.6 – 2.7 hours of dealership labor expenses. The customer is responsible to pay any additional charges for parts and/or labor which are the result of the vehicle’s non-ToyotaeBay logo-approved modifications.

 

ToyotaeBay logo is not responsible for later performance problems the vehicle may have that are the result of the non-ToyotaeBay logo-approved vehicle modifications.

 

CHECK FOR FLOORBOARD & FUEL TANK MODIFICATIONS

Inspect the vehicle to determine if modifications have been made to the floorboard of the vehicle to accommodate a ramp or lift for wheelchair use. Such modifications typically require the relocation and/or modification of the fuel tank.  If the fuel tank has not been modified or relocated, use the non-mobility 20TA02 Technical Instructions.

 

CHECK TIS MEMO FIELD FOR TOYOTAeBay logo-APPROVED CONVERSION

Check the Memo field in TIS to determine if the modifications on this vehicle were completed by a ToyotaeBay logo-authorized conversion company.

 

Note:  In rare cases, Sienna vehicles converted by an authorized company may not appear in ToyotaeBay logo’s records and; therefore, may not appear on TIS / Service lane as shown above. These vehicles should still have this remedy performed per the Technical Instructions.

 

Authorized Conversion Companies:

  • The Braun Corporation (BraunAbility)
  • Vantage Mobility International (VMI)

 

To determine the brand of conversion on mobility vans, the conversion companies usually apply their logos to the sides and rear hatch.  It’s also common to find stickers applied inside the driver’s door jamb.  If there are no visual indicators on the vehicle to identify the conversion company, ask the vehicle owner if they have the information available.

 

NON-APPROVED CONVERSION

Sienna vehicles that have been converted for wheelchair accessibility by a non-ToyotaeBay logo authorized mobility conversion company have undergone an unauthorized modification to the factory condition of the vehicle. These vehicles may be incompatible with the remedy in their current modified condition. ToyotaeBay logo does not recommend modifying vehicles and cannot evaluate how any aftermarket, non-ToyotaeBay logo approved parts and/or modifications could affect a vehicle’s performance.

 

Subject to individual review by the dealer and notwithstanding ToyotaeBay logo’s recommendation, some dealers may be willing to perform the Safety Recall remedy with the vehicle in its current modified condition. If your dealership is willing to do so, the customer may be responsible for the cost of parts and/or labor not otherwise covered by ToyotaeBay logo’s Safety Recall. ToyotaeBay logo provides the specific remedy parts, differential oil (AWD-only), and covers 2.6 – 2.7 hours of dealership labor expenses. The customer is responsible to pay any additional charges for parts and/or labor which are the result of the vehicle’s non-ToyotaeBay logo-approved modifications.

 

ToyotaeBay logo is not responsible for later performance problems the vehicle may have that are the result of the non-ToyotaeBay logo-approved vehicle modifications.

 

Because the modifications to this vehicle are unknown to ToyotaeBay logo, there will be no repair instructions available.  If the dealer decides to proceed with the repair, it will up to the technician to determine the best method to remove the fuel tank and replace the fuel pump.  Torque values for reinstallation will need to be determined by contacting the conversion company.

 

If the dealer decides it cannot complete the repair on a non-authorized conversion due the modifications in that case, the dealer may advise the customer that they have the option of contacting the conversion company for direction. Although the conversion company may or may not be able to provide a solution for the customer, the conversion company may, in the alternative, remove the fuel tank and fuel suction tube assembly, at the customer or conversion company’s expense. In this case, the ToyotaeBay logo dealer could then be able to install the remedy low-pressure fuel pump into the fuel suction tube assembly free-of-charge. The re-installation of the fuel suction tube assembly and fuel tank into the vehicle would need to be performed at the customer or conversion company’s expense by the conversion company in this case.

If upon inspection it’s determined that this vehicle does not use a ToyotaeBay logo fuel pump, as originally designed, email the Quality Compliance Depart (quality_compliance@toyotaeBay logo.com) for further instructions.

 

BACKGROUND

The subject vehicles are equipped with a low-pressure fuel pump which may stop operating. If this were to occur, warning lights and messages may be displayed on the instrument panel, and the engine may run rough. This may result in a vehicle stall, and the vehicle may be unable to be restarted. If a vehicle stall occurs while driving at higher speeds, this could increase the risk of a crash.

 


SAFETY RECALL 20TA02 – Vehicle May Stall During Driving at Higher Speed – 2014-2020 Toyota

 

 


Remedy Instructions and TSB

RCRIT-20V682-4730.pdf 1120.264KB

 


Remedy Instructions and TSB

RCRIT-20V682-9458.pdf 1554.102KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=20V682&docType=RCL

 


 

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Last update on 2026-05-24 / Affiliate links / Images from Amazon Product Advertising API


 

 


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