Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID175 FMI 4 Engine Oil Temperature

Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID175 FMI 4 Engine Oil Temperature

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is below 0.12 V. (EA31)

SYMPTOM:
1. Monitoring stops.
2. Information display unit shows minus sign for engine oil temperature.

POSSIBLE CAUSES:
1. Signal line short-circuited to frame ground.
2. Defective sensor.