Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID158 FMI 4 ECU Battery Potential

Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID158 FMI 4 ECU Battery Potential

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is below 5.4 V. (EB57/EB60)

SYMPTOM:
None

POSSIBLE CAUSES:
1. Defective alternator.
2. Defective battery, battery cables.