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20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2272 PID: PID 27 SPN: 27 FMI: 4 EGR valve Position Circuit- Voltage Below Normal or Shorted to Low Source

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

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2273 PID: PID 411 SPN: 411 FMI: 3 Exhaust Gas Recirculation valve Delta Pressure Sensor Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe exhaust gas recirculation (EGR) differential pressure sensor has two ports that sense exhaust pressure. The sensor outputs a...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2274 PID: PID 411 SPN: 411 FMI: 4 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe exhaust gas recirculation (EGR) differential pressure sensor has two ports that sense exhaust pressure. The sensor outputs a...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2288 PID: PID 103 SPN: 103 FMI: 15 Turbocharger 1 Speed- Data Valid But Above Normal Operating Range- Least Severe Level

Circuit DescriptionThe turbocharger speed sensor is a variable reluctance speed sensor. It consists of a coil of wire and an...

20 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 2311 PID: SID 018 SPN: 633 FMI: 31 Electronic Fuel Injection Control Valve Circuit- Condition Exists

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: 2321 PID: PID 190 SPN: 190 FMI: 2 Engine Crankshaft Speed/Position- Data Erratic, Intermittent, or Incorrect

Circuit DescriptionThe crankshaft position and camshaft position sensors are Hall effect type sensors. The engine control module (ECM) provides a...

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