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P0405 Diagnostic Trouble Code Discussion for March 2015

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2006 GMC Sierra 2500 HD SLT 6.6L Stall VIN: 1GTHK23DX6
P0405: EGR Position Sensor Circuit Low Voltage. ... with several codes and reduced engine power all codes had to do with low voltage p0652 low 5v reference,p0522 eop low voltage,p0405 egr low voltage,p0462 fuel level low voltage,p0672,p0673,p0674,p0677 glow plug circuit.So ch...
March 30, 2015