Engine Noise — Possible Fault Codes
Found 1 fault code associated with engine noise. Codes are sorted by severity — check STOP ENGINE codes first.
⚠️ 1 STOP ENGINE-level code associated with this symptom. Do not continue driving.
SPN 100 FMI 1
Engine Oil Pressure critically low
Detroit Diesel DD15 • Component: Oil Pump / Oil Pressure Sensor • J1939
⚠️ 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 engine noise based on SAE J1939/J1587 fault code definitions and OEM service documentation.