Faulty EGR Vacuum Regulator Solenoid Valve
EGR Vacuum Regulator Solenoid Valve harness is open or shorted
EGR Vacuum Regulator Solenoid Valve circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
EGR Valve Power Stage Open is the generic description for the P1440 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1440 Audi OBDII code.