DTC Hub Commercial Truck & Diesel Fault Codes
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False Warning — Possible Fault Codes

Found 4 fault codes associated with false warning. Codes are sorted by severity — check STOP ENGINE codes first.

MID 128 PID 111 FMI 4
Coolant Level Sensor
International A26 • Component: Engine Coolant Level Sensor • J1587
🟠 CHECK SOON
SPN 168 FMI 0
Battery Voltage High
Volvo D13 • Component: Alternator / Voltage Regulator • J1939
🟠 CHECK SOON
SPN 441 FMI 2
Cruise Control Switch Erratic
Volvo D13 • Component: Cruise Control Switch / Steering Column Switch Pack • J1939
🔵 INFO
SPN 158 FMI 2
Engine Start-Up Aid Erratic
Detroit Diesel DD13 • Component: Engine Start-Up Aid / Intake Grid Heater • J1939
🔵 INFO
⚠️ 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 false warning based on SAE J1939/J1587 fault code definitions and OEM service documentation.