Possible Causes
- The powertrain control module has not detected any motion, upon commanding the operation of a motor, solenoid or relay to open some piece of equipment
- Low pressure EGR valve mechanical integrity
- Low pressure EGR valve circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Low pressure EGR valve failure