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21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 196 (3 Wire) PID: PID 111 SPN: 111 FMI: 4 Coolant Level Sensor 1 Circuit- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe coolant level sensor is a switch and is used to measure the level of the engine coolant in...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1961 PID: SID 146 SPN: 2791 FMI: 15 EGR Valve Control Circuit Calculated Over Temperature- Data Valid But Above Normal Operational Range- Least Severe Level

Circuit DescriptionThe exhaust gas recirculation (EGR) valve is controlled by a brushless motor located on top of the EGR valve....

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1962 PID: SID 27 SPN: 641 FMI: 15 VGT Actuator Driver Over Temperature (Calculated)- Data Valid But Above Normal Operational Range- Least Severe Level

Circuit DescriptionThe variable geometry turbocharger (VGT) is electronically activated by the VGT actuator. The VGT actuator is a smart device...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1963 PID: SID 332 SPN: 3482 FMI: 7 Aftertreatment Fuel Shutoff Valve 1- Mechanical System Not Responding Porperly or Out of Adjustment

Circuit DescriptionBefore active regeneration of the aftertreatment diesel particulate filter, a diagnostic test on the system is performed. The aftertreatment...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 197 PID: PID 2560 SPN: 111 FMI: 18 Coolant Level- Data Valid But Below Normal Operational Range- Moderately Severe Level

Circuit DescriptionThe coolant level sensor is a switch and is used to measure the level of the engine coolant in...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1974 PID: PID 101 SPN: 101 FMI: 15 Crankcase Pressure- Data valid But Above Normal Operating Range- Moderately Severe Level

Circuit DescriptionThe crankcase pressure sensor is used to monitor the pressure inside the crankcase. The engine control module (ECM) supplies...

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