VOLVOUU Engine D12D AE E3 (Tier 3) Fault Code: PPID123 FMI 5 EPG 2 Start And Warmhold

VOLVOUU Engine D12D AE E3 (Tier 3) Fault Code: PPID123 FMI 5 EPG 2 Start And Warmhold

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers:
1. Output activated.
2. Current too low. (EB26)

SYMPTOM:
1. Engine brake not functioning.
2. Blue smoke when idling.
3. Outputs for engine brake are turned off.

POSSIBLE CAUSES:
Defective fuse on feed cable.