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P0449 Diagnostic Trouble Code Discussion for October 2008

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2008 GMC Acadia SLT 3.6L MIL Lamp on VIN: 1GKER23748
P0449: Evaportive Emmissions Control Circuit Intermittant. KOEO humming / squealing noise (like a hearing aid in need of adjustment) from transaxle elec. connector area occurs(with or without batt 1 fuse installed). Presumably not normal? Customer likely returning to dealer for evap emmissions code under new veh. wa...
October 09, 2008