Transport CanadaCritical
2019 SUBARU ASCENTTransport Canada Recall #2021745
The official notice
Defect
On certain vehicles, a software problem in the transmission control unit (TCU) may cause the drive chain to slip or break. If this happens while the vehicle is in motion, there could be a loss of power to the wheels.
Safety Risk
A loss of power to the wheels could increase the risk of a crash.
Remedy
Subaru will notify owners by mail and instruct you to take your vehicle to a dealer to inspect the transmission chain guide and update the TCU. If necessary, the transmission assembly will be replaced.
13,034 vehicles affectedMfr ref: WRK-21Updated June 10, 2026