Possible Causes
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- The powertrain control module has measured current flow below a specified range
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Harness failure - Exhaust gas recirculation cooler bypass valve solenoid circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Exhaust gas recirculation cooler bypass valve solenoid failure