2004 Chevrolet Tahoe Q&A

2004 Chevrolet Tahoe Question: My atc light came on, and information status said reduced engine speed

I was basically dead on the road, engine was on, but I could not move. I stopped, turned off ignition,restarted and it was fine, what is causing this? -
Answer 1
It needs to be scanned for history faults, and which module asked for the reduced power to the ECM. -