DTC P1402 - EGR Valve Position Sensor (EGRS) Open Or Short Circuit: Condition

DTC is set when input voltage from EGR valve position sensor is less than .2 volts or greater than 4.75 volts. Throttle valve is at closed throttle position and engine speed is less than 1400 RPM. Possible causes are:

• EGR valve position sensor malfunction.
• Open or short circuit between terminal No. 3I on Engine Control Module (ECM) connector and terminal "B" on EGR valve position sensor connector.
• Open or short circuit between terminal No. 3J on Engine Control Module (ECM) connector and terminal "C" on EGR valve position sensor connector.
• Open or short circuit between terminal No. 3O on Engine Control Module (ECM) connector and terminal "A" on EGR valve position sensor connector.