I have a 2009 Sierra and had the Stabilitrak light came on, then engine power was reduced while driving. I tried this: removed vacuum hose from brake line. Poured about half of a can of "Sea Foam" into vacuum line while my son race the engine to at least 2000rpms. Turned off engine for 5 minutes. Started up engine and raced engine for 2-3 minutes. Lots of white smoke came out of exhaust. Drove truck...no more error message. Problem Solved!!
Go to www. automecanico.com + www.autoelectronico.com
this web are spanish you can translate. However i strong recommend you by powerful information update complete for most models cars+ links .
You can download free information, diagram in PDF format.
Try it and fix it.
God bless you
This light means that a fault has occurred in the electronics of the system, you must now have the system scanned by the dealer to see what fault codes are stored in the computers memory for the problem that turned on the warning light.
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