Carsoft is pretty good for me
I kept getting the red triangle, reduced performance, a year or so ago I freed the turbo arm with a long wire, it worked until three weeks ago, so I drowned the module with a brew of kero and 2t oil
Still the fault, I misplaced the Carsoft and found it 3 days ago, in the interim I'd booked the car in for a new turbo
Upon reading from the Carsoft there were a few faults, I cleared em all and the car went like ten ferraris until I switched off the engine, then the triangle came up, so now I have to leave the tool in whilst driving, Some fault reading on the fuel temp, but there was one fault, water in fuel, there was not but I cracked the drain pumped fuel to the ground because I have only one hand that works, I could not plug the senor wires together at the drain, I reckon maybe this is causing the red light business, hafta get help, but recommend that diagnosis tool