939005171 - Y042 P0403 - EGR VALVE (SC TO + VBAT)

The diagnostic equipment signals: Error P0403 (EGR valve), with detail "short circuit to +Vbatt"

This error is detected if there is a short circuit to positive in the circuit connected to Pin 60 of the junction unit.As a result, the maximum power is reduced, the exhaust gas circulation valve is switched off and the supercharging pressure can longer be controlled.

1	EGR valve operation check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the EGR valve is working properly by carrying out the    See Test 1080CB E.G.R. SOLENOID FUNCTIONAL TEST	End of diagnosis