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Volvo Engine D12D AE E3 (Tier 3) Fault Code: SID231 FMI 2 SAE J1939 Data Link

Volvo Engine D12D AE E3 (Tier 3) Fault Code: SID231 FMI 2 SAE J1939 Data Link

DETECTION CONDITIONS:
No messages arriving on the control link (SAE J1939).

SYMPTOM:
1. Preheating relay not functioning.
2. Engine brake not functioning.
3. Information is read/transmitted on the information link (SAE J1708) instead.

POSSIBLE CAUSES:
1. Short-circuit to voltage on control link (SAE J1939).
2. Short-circuit to frame ground on control link (SAE J1939).
3. Leads in control link (SAE J1939) short-circuited to each other.