Possible Causes
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control Module Cavity
- Circuit reference O_S_AUXPMP. Auxiliary coolant pump
- Auxiliary coolant pump power
- Auxiliary coolant pump ground
- Prioritized List of Possible Causes
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Auxiliary coolant pump circuit open circuit, high resistance