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

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?

by in Vicksburg, MS on March 12, 2014
1 answer
ANSWER by on March 12, 2014
It needs to be scanned for history faults, and which module asked for the reduced power to the ECM.

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