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International Automotive Technicians Network
Re: GM active fuel management
Posted to Technical Discussion Forum on 3/4/2018 1 Reply

Yes, It sets P3401, P3417 and p3433 which are circuit faults for the VLOM solenoids. All three circuits are open when checked at C102. It appears the connector at the VLOM may be disconnected. I need to find out more history on this car. Login to read more.

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