Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID98 FMI 5 Engine Oil Level

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is above 4.95 V. (EB4/EB3)

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

POSSIBLE CAUSES:
1. Sensor not connected (open circuit).
2. Open circuit on frame ground cable.
3. Open circuit on signal line.
4. Frame ground cable short-circuited to 5 V or higher voltage.
5. Signal line short-circuited to 5 V or higher voltage.
6. Defective sensor.