Volvo Engine D12D AE E3 (Tier 3) Fault Code: SID39 FMI 3 Engine Starter Motor Relay

Volvo Engine D12D AE E3 (Tier 3) Fault Code: SID39 FMI 3 Engine Starter Motor Relay

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the current is above 3.9 A. (EB29)

SYMPTOM:
The starter motor can not be activated.

POSSIBLE CAUSES:
Short circuit to higher voltage.