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That is the MY/Brat/EA81 dual range 4wd 4spd gearbox. Cheers Bennie

They’ll physically be the same and bolt in no worries. The difference is in the diff ratio. You could install it, select 4wd and see if it will move ok. If it feels like your driving with the hand brake being increasingly applied the front and rear diff ratios don’t match. The other way to work it out is by counting the teeth on the ring gear through the drain hole. 37 teeth = 3.7:1 ratio; 39 teeth = 3.9:1 ratio. NOTE for those using this with later model gearboxes and diffs, 39 teeth on the crown wheel can also be 3.545 ratio (rear diff) and 37 teeth can be 4.111 ratio. I can’t remember the number of teeth for 4.44. The difference is the number of teeth on the pinion gear. Cheers Bennie

Owning a 2014 Impreza, yeah I went thru this also at 132K mikes. Valve body best price was about $800 .... then in FSM says after replacing, check fluid level by ATF temp, then do CVT retrain. Valve body kit includes a plastic bonnet you put all around AFTER you remove the intake tube, throttle body ( just remove 4 bolts and push to one side ) and the dogbone and bracket to get to top of transmission. Also FSM has you replace the 2 O-rings on the bottom of the valve body, and retorque to in-lbs the few bolts holding the valve body in place .... in a tight area unless you have a small torque wrench. Being a mechanic for over 45 yrs, and reading about the successful and a few that were not and wanting this to work for a long time INCLUDING the retraining ( some say it's not required but I follow the FSM ), I went back to dealer I bought the last several Subaru's from and know the service manager ( we worked together in the past ). $1350 for all .... 2 qts fluid, valve body, retrain and all done in a day. GRANTED he gave me a break, but for me it was worth it. Car shifts better than before. My experience and observations.

CVT Fluid level is not easy to check. Nope. She drives the crap out of it. We replaced a lot of valve bodies at the dealership with good results. And the code only refers to the electrical circuit, so it really has to either be the solenoid or wiring to it.