VOLVOUU Engine D12D AE E3 (Tier 3) Fault Code: SID70 FMI 5 Air Inlet Heater Driver #1

VOLVOUU Engine D12D AE E3 (Tier 3) Fault Code: SID70 FMI 5 Air Inlet Heater Driver #1

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers current too low. (EB7)

SYMPTOM:
1. Preheating not functioning.
2. Difficult to start in extreme cold.

POSSIBLE CAUSES:
1. Defective fuse on feed cable.
2. Open circuit in preheating coil.
3. Open circuit in cable harness.