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21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Engine Control Module Critical Internal Failure- Bad Intelligent Device or Component

Circuit DescriptionThe ECM has internal diagnostics that continuously run and check the internal memory. Component LocationThe Engine Control Module (ECM)...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1117 PID: SID 251 SPN: 3597 FMI: 2 Power Supply Lost With Ignition on- Data Erratic, Intermittent, or Incorrect

Circuit DescriptionThe engine control module (ECM) receives constant voltage from the batteries through the unswitched battery wires that are connected...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1139 PID: SID 001 SPN: 651 FMI: 7 Injector Solenoid Driver Cylinder 1- Mechanical System Not Responding or Out of Adjustment

Circuit DescriptionThe ECM uses diagnostic software to verify injector operation. During selected conditions, each injector is fired. The fueling quantity...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1141 PID: 1141 SPN: 652 FMI: 7 Injector Solenoid Driver Cylinder 2- Mechanical System Not Responding or Out of Adjustment

Circuit DescriptionThe ECM uses diagnostic software to verify injector operation. During selected conditions, each injector is fired. The fueling quantity...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1142 PID: SID 003 SPN: 653 FMI: 7 Injector Solenoid Driver Cylinder 3- Mechanical System Not Responding or Out of Adjustment

Circuit DescriptionThe ECM uses diagnostic software to verify injector operation. During selected conditions, each injector is fired. The fueling quantity...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1143 PID: SID 004 SPN: 654 FMI: 7 Injector Solenoid Driver Cylinder 4- Mechanical System Not Responding or Out of Adjustment

Circuit DescriptionThe ECM uses diagnostic software to verify injector operation. During selected conditions, each injector is fired. The fueling quantity...

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