DTC Hub Commercial Truck & Diesel Fault Codes
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Gauges Inoperative — Possible Fault Codes

Found 1 fault code associated with gauges inoperative. Codes are sorted by severity — check STOP ENGINE codes first.

⚠️ 1 STOP ENGINE-level code associated with this symptom. Do not continue driving.
SPN 639 FMI 9
J1939 CAN Bus Communication Loss
Cummins ISX15 • Component: Engine Control Module / CAN Bus • J1939
🔴 STOP ENGINE
⚠️ Diagnostic Note: Symptoms can have multiple root causes. Always verify with a diagnostic scan tool before replacing parts. The fault codes listed above are possible matches for gauges inoperative based on SAE J1939/J1587 fault code definitions and OEM service documentation.