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Before you buy

2020 Toyota Sienna inspection checklist

Use this beside the car or give it to a mechanic. These checks come from problems in the records we reviewed. They do not replace a full used-car inspection.

Inspect this Sienna

Mark each check as you go. Your notes stay on this device.

Saved on this device. The shared link never includes a VIN.

Use these notes with a full inspection. A serious warning sign can be enough to walk away.

Required checks

  • Ask the inspector to test the named system and note any warning lights, noises, leaks, or stored codes.

    Electrical System owner reports: 3 reviewed owner reports for this model year mention electrical system.

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Ask the inspector to test the named system and note any warning lights, noises, leaks, or stored codes.

    Power Train owner reports: 6 reviewed owner reports for this model year mention power train.

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Ask the inspector to test the named system and note any warning lights, noises, leaks, or stored codes.

    Structure owner reports: 3 reviewed owner reports for this model year mention structure.

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Check the VIN for this recall and ask for the repair receipt if it was completed.

    Steering recall: Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles.

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Check the VIN for this recall and ask for the repair receipt if it was completed.

    Fuel System, Gasoline:Delivery:Fuel Pump recall: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna,

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Ask the inspector to test the named system and record the result.

    Manufacturer service campaign: Safety Recall and Service Campaign - Technician Certification Requirements

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Ask the inspector to test the named system and record the result.

    Manufacturer service campaign: Toyota Safety Recall and Service Campaign - Technician Certification Requirements

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Ask the inspector to test the named system and record the result.

    Manufacturer service campaign: DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court.

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away
  • Ask the inspector to test the named system and record the result.

    Manufacturer service campaign: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks.

    Passes when: No matching symptom during inspection

    Looks okay / Concern / Walk away

Ask the seller

  • Has any named issue here ever been diagnosed or repaired on this car?
  • Can I see the maintenance and any recall-remedy records?
  • Will you allow an independent pre-purchase inspection?

Records to request

  • Service and oil-change history
  • Completed recall / campaign paperwork
  • Any dealer diagnostic reports

Why these checks are here

Electrical System owner reports

Owner reports are bound to model year 2020.

Warning signs: 3 reviewed owner reports for this model year mention electrical system.

Good signs: No matching symptom during inspection · Service history addresses the named condition

Power Train owner reports

Owner reports are bound to model year 2020.

Warning signs: 6 reviewed owner reports for this model year mention power train.

Good signs: No matching symptom during inspection · Service history addresses the named condition

Structure owner reports

Owner reports are bound to model year 2020.

Warning signs: 3 reviewed owner reports for this model year mention structure.

Good signs: No matching symptom during inspection · Service history addresses the named condition

Steering recall

Official record covers model years 2017 through 2020.

Warning signs: Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles.

Good signs: No matching symptom during inspection · Service history addresses the named condition

Fuel System, Gasoline:Delivery:Fuel Pump recall

Official record covers model years 2017 through 2020.

Warning signs: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna,

Good signs: No matching symptom during inspection · Service history addresses the named condition

Manufacturer service campaign

Official record covers model years 2018 through 2020.

Warning signs: Safety Recall and Service Campaign - Technician Certification Requirements

Good signs: No matching symptom during inspection · Service history addresses the named condition

Manufacturer service campaign

Official record covers model years 2017 through 2020.

Warning signs: Toyota Safety Recall and Service Campaign - Technician Certification Requirements

Good signs: No matching symptom during inspection · Service history addresses the named condition

Manufacturer service campaign

Official record covers model years 2017 through 2020.

Warning signs: DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court.

Good signs: No matching symptom during inspection · Service history addresses the named condition

Manufacturer service campaign

Official record covers model years 2017 through 2020.

Warning signs: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks.

Good signs: No matching symptom during inspection · Service history addresses the named condition

Sources and limits
Source recordEvidence: Limited confidence

The records describe a problem worth checking before purchase.

“The contact owns a 2020 Toyota Sienna. The contact stated that while his wife was driving at an undisclosed speed, the pre collision, lane assist, and air bag warning lights illuminated on the instrument panel. The vehicle was taken to a dealer and a fuse in the ECU (Electronic Control Unit) was replaced; however, the contact stated that approximately 10 days later, the failure recurred. The vehicle was taken back to the dealer where the vehicle remained for almost two weeks. The contact was informed that the wiring harness needed to be replaced; however, the wiring harness was on backorder. The manufacturer was notified of the failure, but no additional assistance was provided. The contact was provided a case number. The vehicle was not repaired. The failure mileage was approximately 60,000.”
NHTSAcomplaintNov 2024Open source record
Source recordEvidence: Medium confidence

The records describe a problem worth checking before purchase.

“My Toyota sienna is a 2020, has 83,000 miles and has recently been squealing when I accelerate. I took the van to a local body shop and they said it seems to be my transmission. I called Toyota immediately and they knew that the transmissions were faulty and that they would try to work with Toyota to get it fixed. There is no way I can pay 9k for a new transmissions because they put in faulty ones.”
NHTSAcomplaintMay 2026Open source record
Source recordEvidence: Limited confidence

The records describe a problem worth checking before purchase.

“The power sliding door assembly failed, and the driver side rear sliding door was bound shut, and could not be opened. Disabling the power door system did not resolve the issue. The cable for the power door mechanism was hanging below the rear vent windows; but for some reason the door still would not open. I ultimately with a lot of gentle force was able to get the door open enough to see the retract side of the cable was bound up, and was able to cut it with wire cutters, and ultimately get the door to work normally as a non-powered manual sliding door. Since the original NHTSA BULLITIN on this was published in 6/2019 before my 2020 Sienna was manufactured, and Toyota did not change the mechanism until the 2021 model redesign, I believe that RECALL should be extend to all 2019 and 2020 vehicles. This seems dangerous that the door does not default to manual operation in error.”
NHTSAcomplaintOct 2025Open source record
Source recordEvidence: High confidence

The records describe a possible crash, fire, injury, or loss of control.

“Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles. The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture. If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash. Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began July 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.”
NHTSArecallOpen source record
Source recordEvidence: High confidence

The records describe a possible crash, fire, injury, or loss of control.

“Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail. If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash. Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus' number for this recall is 20LA01.”
NHTSArecallApr 2020Open source record
Source recordEvidence: High confidence

The records describe a problem worth checking before purchase.

“Safety Recall and Service Campaign - Technician Certification Requirements”
NHTSAtsbJan 2018Open source record
Source recordEvidence: High confidence

The records describe a problem worth checking before purchase.

“Toyota Safety Recall and Service Campaign - Technician Certification Requirements”
NHTSAtsbMar 2021Open source record
Source recordEvidence: High confidence

The records describe a problem worth checking before purchase.

“DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Toyota?s agreement to provide a Customer Support Program for certain 2014-2020 model year (MY) vehicles originally equipped with low pressure fuel pumps repaired under Safety Recall 20TA02, Safety Recall 21TA03, Safety Recall 21TA05 or Special Service Campaign 21TC03. The purpose of this Customer Support Program letter is to help clarify how to administer this coverage in accordance with the settlement.”
NHTSAtsbFeb 2023Open source record
Source recordEvidence: High confidence

The records describe a problem worth checking before purchase.

“The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.”
NHTSAtsbJun 2025Open source record

The checklist cannot see the car’s full history or condition.

Check this year at your mileage