Cummins ISM CM875 (2003-06) Fault Code: 234 PID: P190 SPN: 190 FMI: 0/0 Engine Crankshaft Speed/Position - Data Valid But Above Normal Operating Range - Most Severe Level. Engine speed signal indicates engine speed above engine protection limit.
Cummins ISM CM875 (2003-06) Fault Code: 241 PID: P084 SPN: 84 FMI: 2/2 Wheel-Based Vehicle Speed - Data Erratic, Intermittent, or Incorrect. The ECM lost the vehicle speed signal or is reading an erratic value.
Cummins ISM CM875 (2003-06) Fault Code: 242 PID: P084 SPN: 84 FMI: 10/10 Wheel-Based Vehicle Speed Sensor Circuit Tampering Has Been Detected - Abnormal Rate of Change. Signal indicates an intermittent connection or vehicle speed sensor (VSS) tampering.
Cummins ISM CM875 (2003-06) Fault Code: 245 PID: S033 SPN: 647 FMI: 4/4 Fan Control Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the fan control circuit when commanded ON.
Cummins ISM CM875 (2003-06) Fault Code: 249 PID: P171 SPN: 171 FMI: 3/3 Ambient Air Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage detected at ambient air temperature circuit.
Cummins ISM CM875 (2003-06) Fault Code: 254 PID: S017 SPN: 632 FMI: 4/4 Fuel Shutoff Valve Circuit - Shorted Low. Low voltage detected at fuel shutoff valve circuit.
Cummins ISM CM875 (2003-06) Fault Code: 255 PID: S071 SPN: 632 FMI: 3/3 Engine Fuel Shutoff Valve Drive Circuit - Voltage Above Normal or Shorted to High Source. Open circuit or short to voltage source detected at fuel shutoff valve circuit.
Cummins ISM CM875 (2003-06) Fault Code: 256 PID: P171 SPN: 171 FMI: 4/4 Ambient Air Temperature Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low voltage detected at ambient air temperature circuit.
Cummins ISM CM875 (2003-06) Fault Code: 259 PID: S017 SPN: 632 FMI: 7/7 The ECM detected that the fuel shutoff valve is stuck open mechanically or leaking.
Cummins ISM CM875 (2003-06) Fault Code: 263 PID: P174 SPN: 174 FMI: 3/3 Engine Fuel Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage detected at engine fuel temperature circuit.