Volvo Engine D13F Fault Code: PID 111 FMI 5 Coolant Level

Volvo Engine D13F Fault Code: PID 111 FMI 5 Coolant Level

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers open circuit on signal line.

SYMPTOM:
Coolant level can not be detected.

POSSIBLE CAUSES:
1. Open circuit on signal line.
2. Sensor fault.