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Trouble Shooting U0073 Can Bus code and others on 2014 Silverado K1500

Tony Childs

By Tony Childs
in Troubleshooting & Recalls

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Tony Childs New Member

Tony Childs

Posted
Posted

Tons of codes coming up! 13 to be exact. Any help on where to start troubleshooting on this would be appreciated! Truck seems to be running fine, was told by inspection it won't pass emissions until this is cleared up.

 

 
Vin

1GCNKPEH2EZ348666

See attached list of codes and descriptions

Scn codes 2014K1500.jpg

silveradosid Senior Enthusiast

silveradosid

Posted
Posted

how old is the battery, with that many codes generally the bttery voltage is dropping below the thresh hold voltage that the modules need to communicate. if its ok then you need to start checking all the ground wires

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