AutoUtility currently tracks 10 official NHTSA owner defect complaints for the 2020 Toyota Avalon. Fuel & Propulsion System issues are the most frequently reported category, appearing in 5 complaints (50% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more fatalities.
- • Total NHTSA Complaints: 10 reports
- • #1 Reported Problem Area: Fuel & Propulsion System (5 reports • 50% of submitted complaints)
- • Secondary Problem Areas: Driver Assistance & Safety Tech (2), Air Bags & Restraints (1)
- • Crash-Citing Complaints: 1 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 0 injury filings • 1 fatality filings
Most Reported Problems for 2020 Toyota Avalon
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Fuel & Propulsion System
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #20V682000 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Driver Assistance & Safety Tech
Air Bags & Restraints
NHTSA records list 2 official safety recall campaigns for this model year involving the same broad component area:
- Campaign #20V734000 AIR BAGS:FRONTAL
- Campaign #23V865000 AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Steering System
Brakes & Traction Control
Recent NHTSA Owner Reports for 2020 Toyota Avalon
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"A couple of months ago, my car started running a little rough as it would sit in idle mode. When suddenly my check engine light came on. I checked the codes and they seemed to be P0445 Evaporitive emission system leak detected (large leak). And P0441 Evaporative emission system. Incorrect Purge..."
"To Whom It May Concern, I am filing this complaint to report Right Toyota in Scottsdale, Arizona, and Toyota Motor Corporation for their mishandling of a critical airbag safety recall (23TA15) on my 2020 Toyota Avalon Hybrid. The lack of transparency, misleading information, and failure to provide..."
"TIE ROD LOOSE I heard a clunking noise while turning the steering wheel to the left at very low speeds. Took car in for service Service Mechanic found left outer tie rod end "with play, loose" Safety issue: potential loss of steering ability while driving Vehicle has been inspected and repaired -..."
"When refueling vehicle, gasoline backs up immediately, doesn't shut off gas hose and pours out all over vehicle and feet of person refueling. Today is the 4th time it's happened. It's been to Gettle Toyota of Lakewood in Bradenton FL for this exact complaint and was told there's nothing wrong with..."
"on 3 lane expressway (US422)about 1/4 mile from where the lanes split( see attached). No cars in front of me but cars in the lane to my left slowed. My car suddenly braked causing the car behind me to swerve to my right to avoid a collision. The adaptive breaking (incorrectly) determined that there..."
Complaint History for Toyota Avalon
Reported defect complaint volume across sibling model years (2015–2022)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Toyota Avalon | 53 | 8 | 2 | View 2015 Problems → |
| 2016 Toyota Avalon | 25 | 2 | 4 | View 2016 Problems → |
| 2017 Toyota Avalon | 14 | 2 | 2 | View 2017 Problems → |
| 2018 Toyota Avalon | 25 | 7 | 2 | View 2018 Problems → |
| 2019 Toyota Avalon | 69 | 4 | 5 | View 2019 Problems → |
| 2020 Toyota Avalon Current Page | 10 | 1 | 4 | Current |
| 2021 Toyota Avalon | 27 | 2 | 2 | View 2021 Problems → |
| 2022 Toyota Avalon | 8 | 1 | 0 | View 2022 Problems → |
Detailed NHTSA Component Breakdown for 2020 Toyota Avalon
Complete distribution of consumer defect reports across all 6 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 5 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 1 |
| Steering NHTSA category: STEERING | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
Official NHTSA Defect Investigations (1)
Formal safety defect inquiries and engineering analyses opened by the NHTSA Office of Defects Investigation (ODI)
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight ra...
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.