Volvo Engine D11L (Tier 4) Fault Code: SID 39 FMI 10 Engine Starter Motor Relay

Volvo Engine D11L (Tier 4) Fault Code: SID 39 FMI 10 Engine Starter Motor Relay

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers the starter motor has been activated for 3s but the engine is still not revolving at all.

SYMPTOM:
The starter motor is deactivated.

POSSIBLE CAUSES:
1. Mechanical fault.
2. Faulty engine speed sensor+ defective cam speed sensor.
3. Power supply problems.
4. Defective starter relay.
5. Faulty starter motor.