izip dash e3

I was given a 2015 iZip E3 Dash that is having some issues with the wheel speed sensing and possibly the motor. This is a Currie / Tranzx hub motor system, 48V, 500W. The battery is fine and all of the diagnostics look good in terms of cadence sensing, throttle/motor command, brake lever...

I just got a 2015 iZip Dash E3, the owner decided to let it go because the 2nd motor he had on it died and he didn't find parts easily. The stock motor is not geared and overheated on a moderate hill he climbed going to work each day, he went through 2 motors in 6 years! And Curry wants $500 for...