VOLVOUU Engine D13F Fault Code: PID 100 FMI 3 Engine Oil Pressure

VOLVOUU Engine D13F Fault Code: PID 100 FMI 3 Engine Oil Pressure

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is above 4.80 V.

SYMPTOM:
Oil pressure shows 0 in the instrument cluster.

POSSIBLE CAUSES:
1. Signal line short-circuited to higher voltage.
2. Open circuit on frame ground cable.