NHTSA Campaign 21V734000
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
NHTSA campaign 21V734000 covers 2 year-make-model versions listed here and concerns the engine and engine cooling: engine: engine control module (ecu/ecm): software. The repair is free.
Toyota Motor Engineering & Manufacturing filed the report for 21V734000 with NHTSA on September 22, 2021; the manufacturer initiated the recall.
For 21V734000, NHTSA lists up to 8,411 potentially affected vehicles.
Owner notification letters for 21V734000 were scheduled from November 18, 2021, 57 days after the report.
21V734000 covers 2 models from Toyota, model years 2022.
Owners of the model years 21V734000 covers have filed at least 1 complaints naming the engine and engine cooling, about this defect or others in the same group.
Among the 21V734000 vehicles, the 2022 Toyota Prius Prime has the most (1).
By potentially affected vehicles, 21V734000 ranks 153 of 226 Toyota Motor Engineering & Manufacturing recalls on this site.
Besides 21V734000, Toyota Motor Engineering & Manufacturing has 7 other recalls on the engine and engine cooling on this site; the one before 21V734000 was 20V064000, reported on February 6, 2020.
What this recall covers
- The defect
- Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022 Prius and Prius Prime vehicles. The Engine Control Unit (ECU) software may falsely detect an error and shut down the hybrid system, causing a loss of drive power.
- The risk
- A loss of drive power increases the risk of a crash.
- The fix
- 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.
Reported September 22, 2021
Vehicles covered by 21V734000 (2)
Toyota (2)
Being on this list means your year, make and model fall inside campaign 21V734000, not that your own vehicle does: a campaign covers a range of VINs. A VIN check on NHTSA's lookup shows whether it is.
Newest record on this page: September 22, 2021. Data: NHTSA recall and owner-complaint files. How these figures are counted