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27 August, 2025

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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5177 PID: SPN: 6713 FMI: 9 Variable Geometry Turbocharger Actuator Software- Abnormal Update Rate

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

27 August, 2025

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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5221 PID: SPN: 3667 FMI: 2 Engine Air Shutoff Status- Data Erratic, Intermittent, or Incorrect

Circuit DescriptionThe air shutoff valve position switch is located inside the air shutoff valve. During testing, the engine is accelerated...

27 August, 2025

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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5259 PID: SPN: 3667 FMI: 14 Engine Air Shutoff Status- Special Instructions

Circuit DescriptionThe engine control module (ECM) controls the engine intake air throttle actuator. The ECM can open and close the...

27 August, 2025

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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5278 PID: SPN: 6802 FMI: 31 Aftertreatment 1 Diesel Exhaust Fluid Dosing System Frozen- Condition Exists

Circuit DescriptionThe aftertreatment diesel exhaust fluid tank heater keeps the diesel exhaust fluid from freezing in the diesel exhaust fluid...

27 August, 2025

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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5297 PID: SPN: 747 FMI: 13 Engine/transmission Match- Out of Calibration

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

27 August, 2025

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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5298 PID: SPN: 747 FMI: 19 Engine/transmission Match- 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...

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