Toyota RAV4 Prime 2021 Recall: Fire Risk Below 41°F
Toyota recalls 2021 RAV4 Prime vehicles with risk of fire if charged below 41°F. Owners must avoid charging in cold weather; free DC-DC converter replacement available.
Use caution until it’s fixed
A short circuit can cause the DC-DC converter to overheat, increasing the risk of a vehicle fire.
Contact the company
What happened, in plain English
Toyota is recalling certain 2021 RAV4 Prime vehicles because a faulty electrical component could cause a fire if the vehicle is charged when temperatures drop below 41°F. This affects vehicles that may have been produced with a damaged DC-DC converter. Read more at govinfonow.com/recall/80709-toyota-rav4-prime-2021-recall-fire-risk-below-41-f.
Source Summary by GovInfoNow · govinfonow.com/recall/80709-toyota-rav4-prime-2021-recall-fire-risk-below-41-f · Updated October 4, 2026 · Official notice: NHTSA #23V478000
Cite this page
“Toyota RAV4 Prime 2021 Recall: Fire Risk Below 41°F.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80709-toyota-rav4-prime-2021-recall-fire-risk-below-41-f. Based on NHTSA recall #23V478000 (https://www.nhtsa.gov/recalls?nhtsaId=23V478000).
Why it’s dangerous
A short circuit in the DC-DC converter can cause overheating, which may lead to a vehicle fire. This happens when the electrical component is damaged during production and the vehicle is charged in cold temperatures.
Who’s affected
Owners of 2021 RAV4 Prime and 2022 Lexus NX450h+ plug-in hybrid electric vehicles are affected. Drivers who charge their vehicles in cold weather (below 41°F) are at higher risk of fire.
How to tell if you have this one
Check for 2021 RAV4 Prime or 2022 Lexus NX450h+ plug-in hybrid electric vehicles. The recall was notified to owners on December 29, 2023.
- Brand
Toyota- Category
Vehicle
What to do — step by step
Stop Using in Cold Weather
Do not charge your vehicle when the temperature is below 41°F (5°C) to prevent fire risk.
Contact Toyota for Replacement
Toyota will replace the DC-DC converter free of charge at dealerships.
What NHTSA says to do
Owners are advised not to charge their vehicles when the ambient air temperature is below or expected to drop below 41 degrees Fahrenheit (5 degrees Celsius). Dealers will replace the DC-DC converter, free of charge. Owner notification letters were mailed December 29, 2023. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 23TB07/23LB01.
How this recall unfolded
Recall timeline
Owners were mailed letters 22 days after NHTSA received the defect report.
- NHTSA received the defect report
- Owner letters mailed
Dates from the agency record only; steps without a date are left out.
Contact Toyota
We’ve drafted a message you can send Toyota to request your refund or repair — edit it as you like.
Subject: Recall 23V478000 — Toyota RAV4 Prime 2021 Recall: Fire Risk Below 41°F Hello, I own a Toyota RAV4 Prime 2021 Recall: Fire Risk Below 41°F that is covered by recall 23V478000 from Toyota. The official recall notice states: Owners are advised not to charge their vehicles when the ambient air temperature is below or expected to drop below 41 degrees Fahrenheit (5 degrees Celsius). Dealers will replace the DC-DC converter, free of charge. Owner notification letters were mailed December 29, 2023. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 23TB07/23LB01. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #23V478000 (December 7, 2023)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.