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20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2646 PID: PID 110 SPN: 110 FMI: 31 Engine Coolant Temperature- Condition Exists

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: 2692 PID: SPN: 3936 FMI: 2 Aftertreatment 1 Diesel Particulate Filter System- Data Erratic, Intermittent, or Incorrect

Circuit DescriptionThe aftertreatment particulate matter sensor is a smart device and communicates with the engine control module (ECM) via the...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 271 PID: SID 126 SPN: 1347 FMI: 4 Engine Fuel Pump Pressurizing Assembly 1 Circuit- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe circuit is a pulse-width modulation (PWM) driver in the engine control module (ECM) that controls the fuel pump...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 271 PID: SID 126 SPN: 1347 FMI: 4 Engine Fuel Pump Pressurizing Assembly 1 Circuit- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe circuit is a pulse-width modulation (PWM) driver in the engine control module (ECM) that controls the fuel pump...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2718 PID: SPN: 520325 FMI: 31 Brake and Throttle Conflict- Condition Exists

Circuit DescriptionThe accelerator pedal contains two position sensors. These position sensors are used to measure the throttle position. Both position...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 272 PID: SID 126 SPN: 1347 FMI: 3 Engine Fuel Pump PRessurizing Assembly 1 Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe circuit is a pulse-width modulation (PWM) driver in the engine control module (ECM) that controls the fuel pump...

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