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sprinkles08
sprinkles08, ASE Certified Technician
Category: Pontiac
Satisfied Customers: 23117
Experience:  ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
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Pontiac G6: U0073 code on 09 g6

Customer Question

U0073 code on 09 g6  anyone there???

Submitted: 2 years ago.
Category: Pontiac
Expert:  sprinkles08 replied 2 years ago.
Hello and welcome to JustAnswer!

U0073 is for a communication bus issue. This code will set in a module when it isn't able to establish bus communication with other modules.

The modules all communicate with each other over a wired network. If there is an open circuit, a short to power or ground in the wiring, an internal failure in a module shorting the network to power or ground, or an internal failure in the module setting the code then it will prevent communication.