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P3400 Diagnostic Trouble Code Discussion for February 2010

Cylinder Deactivation System Performance


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Trouble Ticket Help Requests for DTC P3400
Help Request Posted
2007 Chevrolet Impala LTZ 3.9L MIL Lamp on VIN: 2G1WU58R47
P3400: Cylinder Deactivation System Performance. is this a real code? can not find any info for this dtc. please help?
February 24, 2010
2007 Chevrolet Impala LTZ 3.9L MIL Lamp on VIN: 2G1WU58R47
P3400: Cylinder Deactivation System Performance. is this a real code? can not find any info for this dtc. please help?
February 24, 2010