Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID175 FMI 5 Engine Oil Temperature

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers current too low. (EA31)

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

POSSIBLE CAUSES:
1. Open circuit.
2. Defective sensor.
3. Signal line short-circuited to higher voltage.