VOLVOUU Engine D13F Fault Code: SID 39 FMI 3 Engine Starter Motor Relay

VOLVOUU Engine D13F Fault Code: SID 39 FMI 3 Engine Starter Motor Relay

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the current is above 3.9 A.

SYMPTOM:
The starter motor can not be activated.

POSSIBLE CAUSES:
Short circuit to higher voltage.