VOLVOUU Engine D11L (Tier 4) 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.
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