Volvo Engine D12D AE E3 (Tier 3) Fault Code: PPID86 FMI 11 Requested Engine Brake Torque

Volvo Engine D12D AE E3 (Tier 3) Fault Code: PPID86 FMI 11 Requested Engine Brake Torque

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers signal request for engine retarder is missing on CAN1/J1939 from V-ECU.

SYMPTOM:
Exhaust brake not functioning.

POSSIBLE CAUSES:
No bus communication with E-ECU on CAN1/J1939.