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 remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Toyota Prius | 2022 |
| Toyota Prius Prime | 2022 |
Components: HYBRID PROPULSION SYSTEM | ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Toyota Prius | 2022 | 24 | 1 |
| Toyota Prius Prime | 2022 | 8 | 1 |
Other engine and engine cooling recalls in 2021
30 of the 988 recall campaigns reported to NHTSA in 2021 concerned the engine and engine cooling; Toyota Motor Engineering & Manufacturing filed 245 campaigns in all.
| 21V00G000 22 Dec 2021 | Alamo Group Inc. |
| 21V987000 16 Dec 2021 | Honda (American Honda Motor Co.) |
| 21V927000 25 Nov 2021 | Lamborghini (Automobili Lamborghini) |
| 21V865000 5 Nov 2021 | Yamaha Motor Corporation, USA |
| 21V843000 29 Oct 2021 | Mercedes-Benz USA, LLC |
| 21V837000 25 Oct 2021 | Navistar, Inc. |
| 21V838000 25 Oct 2021 | Navistar, Inc. |
| 21V819000 18 Oct 2021 | Kawasaki Motors Corp., U.S.A. |
NHTSA recalls (public domain) · all recalls of 2021