Chevrolet · Canada · High
Chevrolet Sonic: Powertrain
Affects Chevrolet Sonic · 2012 — about 3K vehicles.
The hazard
On certain vehicles equipped with a 1.8L engine and 6 speed automatic transmission, the transmission turbine shaft may fracture, disabling transmission gears 3 through 6. If this were to occur while the transmission is in 1st or 2nd gear, the transmission would fail to up-shift past 2nd gear, limiting vehicle speed. If this were to occur while the transmission is in 3rd through 6th gear, motive power would be lost and the vehicle would coast until vehicle speed was reduced to allow the transmission to down-shift to 2nd gear. Limited vehicle speed or a loss of motive power could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will replace the transmission turbine shaft.
What to do
Contact your dealer; the remedy details were not included in the filing.