Subaru Legacy BN/BS (2015-2019) Service Manual: Diagnostics with phenomenon inspection

Engine stalls when driving in “D” or “R” range, or selecting “N” > “D”, “N” > “R”.

While driving in “D” range, vibration occurs immediately before the stop or engine stalls.

Vehicle cannot shift while driving in “D” range.

Excessive shock when selecting “N” > “D”, and “N” > “R”.

Excessive shock at standing start in “D” range.

Engine speed increases abruptly during driving in “D” or “R” range.

Vehicle can not start when depressing the accelerator pedal in “D” or “R” range, or acceleration is very poor. (without abrupt engine increase)

Shift indicator in combination meter displays the position which differs from select lever position.

Manual mode enters even though the select lever and paddle shift switch is not operated.

Engine speed increases abruptly in “D” or “R” range, vehicle can not start.

Manual mode can not be set