Official Toyota designations for Corolla automatic transmissions:

* A245E – 4-speed automatic transmission (used in early Corolla models)
* A440F – 4-speed electronically controlled automatic transmission (used from 1998 to 2008)
* U140E – 4-speed electronically controlled automatic transmission with Sport mode (used from 2009 to 2013)
* K310 – CVT (used since 2007)
* CVTi-S – variator (CVT) with gear shift simulation function (used since 2014)
* Direct Shift-CVT – Dual Clutch Variable Transmission (CVT) (used in some Corolla models from 2019)

Unofficial designations:

* L – gearbox with reduction gear
* D – gearbox with manual gear shifting (Sequential Shiftmatic)
* S – sport mode, providing faster gear changes
* B – engine braking mode, helping to slow down the car

Notes:

*These designations may vary depending on model year, trim level and region.
*The letters are usually printed on or near the gear shift lever.

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