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20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2789 PID: PID 110 SPN: 110 FMI: 18 Engine Coolant Temperature- Data Valid But Below Normal Operational Range- Moderately Severe Level

Circuit DescriptionThe coolant temperature sensor is a variable resistor sensor and is used to measure the temperature of the coolant...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 285 PID: SID 231 SPN: 639 FMI: 9 SAE J1939 Multiplexing PGN Timeout Error- Abnormal Update Rate

Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine control module (ECM) directly through individual wires. Multiplexing...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 286 PID: SID 231 SPN: 639 FMI: 13 SAE J1939 Multiplexing Configuration Error- Out of Calibration

Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine control module (ECM) directly through individual wires. Multiplexing...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 288 PID: PID 372 SPN: 974 FMI: 19 SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System- Received Network Data In Error

Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine control module (ECM) directly through individual wires. Multiplexing...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2881 PID: SID 332 SPN: 3480 FMI: 17 Aftertreatment Fuel Pressure Sensor- Data Valid But Below Normal Operational Range- Least Severe Level

Circuit DescriptionThe aftertreatment fuel pressure sensor is used to monitor the fuel pressure into the aftertreatment system. The engine control...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 295 PID: PID 108 SPN: 108 FMI: 2 Barometric Pressure- Data Erratic, Intermittent, or Incorrect

Circuit DescriptionThe barometric pressure sensor responds to pressure changes in the atmospheric pressure. The pressure changes occur based on the...

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