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Volvo Engine D11L (Tier 4) Fault Code: PID 45 FMI 3 Inlet Air Heater Status

Volvo Engine D11L (Tier 4) Fault Code: PID 45 FMI 3 Inlet Air Heater Status

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the current is above 3.9 A.

SYMPTOM:
1. Preheating not functioning.
2. Difficult to start in extreme cold.

POSSIBLE CAUSES:
1. Short circuit to higher voltage.
2. Defective relay.