Toyota is recalling 2022 Prius vehicles with faulty engine software that may cause loss of drive power, increasing crash risk. Owners must update ECU software free of charge.
A loss of drive power increases the risk of a crash.
Toyota is recalling certain 2022 Prius vehicles because their engine software can falsely shut down the hybrid system, causing loss of drive power that increases crash risk. Affected owners should contact Toyota for a free software update.
The engine control unit software may detect an error and shut down the hybrid system, causing a loss of drive power. This can lead to reduced vehicle performance and potentially increase crash risk during normal driving.
Owners of 2022 Toyota Prius vehicles are affected. Drivers using the hybrid system may face reduced power during operation.
Check if your 2022 Prius has a recall notice mailed in November 2021. The recall number is 21TB07/21TA07.
Toyota dealers will provide a free software update to fix the engine control unit issue.
Call 1-800-331-4331 to confirm your vehicle is affected and schedule the software update.
Dealers will update the ECU software, free of charge. Owner notification letters were mailed November 18, 2021. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 21TB07/21TA07.
The engine control unit software may falsely detect an error and shut down the hybrid system, causing loss of drive power.
Check if your 2022 Prius received a recall notice mailed in November 2021 with recall number 21TB07/21TA07.
The recall states a loss of drive power increases crash risk, but does not specify serious injury potential.
We’ve drafted a message you can send Toyota to request your refund or repair — edit it as you like.
Subject: Recall 21V734000 — Toyota Toyota Hello, I own a Toyota that is covered by recall 21V734000 from Toyota. The official recall notice states: Dealers will update the ECU software, free of charge. Owner notification letters were mailed November 18, 2021. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 21TB07/21TA07. 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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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.
