Volvo Engine D11L (Tier 4) Fault Code: PPID 124 FMI 5 EPG 1

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is between 8 V and 16 V (0.33 x Ubat and 0.66 x Ubat).

SYMPTOM:
Exhaust brake out of order.

POSSIBLE CAUSES:
1. Open circuit.
2. Defective fuse on feed cable.
3. Defective component.