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Engine Power Is Reduced

angelic0-

By angelic0-
in Ask A GM Technician

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angelic0- Enthusiast

angelic0-

Posted
Posted

I know it's not ON-STAR since i don't have it :')

 

But what else could be causing this message :uhoh:

 

This has come up two times :sigh:

Nytemare Senior Enthusiast

Nytemare

Posted
Posted

That means your truck has gone into limp home mode.

Could be caused by almost anything....your gonna need to get your codes read.

 

Sorry to say...this could be stemming from that bout of hard pulling you did a while back to try and get that guy unstuck....get the codes checked and see exactly what is causing the LHM to activate

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