according to the mac website you will have to call them and ask for pricing on a rebuild. http://www.mactools.com/en-us/customer-service/repair-instructions
its good for reading/ clearing codes and it will log data. that's all i use it for but it does a ton of other stuff. you can read up on it here https://play.google.com/store/apps/details?id=org.prowl.torque