Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID98 FMI 4 Engine Oil Level

Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID98 FMI 4 Engine Oil Level

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is below 0.5 V. (EB4/EB3)

SYMPTOM:
Information display unit shows minus sign for engine oil level.

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