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P0406 Diagnostic Trouble Code Discussion for September 2009

EGR Position Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0406
Help Request Posted
2005 Dodge Ram 1500 ST 5.7L MIL Lamp on VIN: 1D7HA18D05
P0406: EGR Position Circuit High. ... Identifix. Some fixes state that you have to reflash ecm when changing egr valve. Some fixes don't say anything about reflashing ecm. Can anyone give me a solid answer as to whether or not you have to reflash the ecm. Code in system is a P0406. All help is...
September 29, 2009