I've been having some weird issues with my CVT, shuddering revving all over the place and sometimes feeling like its in limp mode.

I've been searching the net prior to taking it back to Subaru and came across this website from America.

2015 WRX CVT Issue - Page 5 - NASIOC

So went to Mid West Subaru today for its first service and told them about the update etc.

They were able to get a copy from Perth, only came out in April 2016.

All I can say is wow! The update is awesome, like a new car, the power ratio is so smooth and that sucked into the seat feeling is back.

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MY16 Red Premium WRX