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Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 2265 PID: SID 126 SPN: 1075 FMI: 3 Electric Lift Pump For Engine Fuel Supply Circuit- Voltage Above Normal or Shorted to High Source
Posted by PerDiezel Solutions on
Circuit DescriptionThe fuel lift pump circuit is a discrete output in the engine control module (ECM) that controls the electric fuel lift pump. The lift pump is grounded in the ECM. Component LocationThe fuel lift pump is mounted on the intake side of the engine. Conditions for Running the DiagnosticsThis diagnostic runs when the keyswitch is in the ON position and the lift pump timer has expired 1 minute after initial key ON. Conditions for Setting the Fault CodesThe Engine Control Module (ECM) detected the fuel lift pump signal circuit was detected to be greater than 0-VDC when the signal...
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 2266 PID: SID 126 SPN: 1075 FMI: 4 Electric Lift Pump For Engine Fuel Supply Circuit- Voltage Below Normal or Shorted to Low Source
Posted by PerDiezel Solutions on
Circuit DescriptionThe fuel lift pump circuit is a discrete output in the engine control module (ECM) that controls the electric fuel lift pump. The lift pump is grounded in the ECM. Component LocationThe fuel lift pump is mounted on the intake side of the engine. Conditions for Running the DiagnosticsThis diagnostic runs when the keyswitch is initially turned to the ON position. Conditions for Setting the Fault CodesThe Engine Control Module (ECM) detected the fuel lift pump signal circuit was detected to be 0-VDC when the signal is turned ON by the engine control module (ECM). Action Taken When the...
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 227 PID: SID 211 SPN: 3510 FMI: 3 Sensor Supply 2 Circuit- Voltage Above Normal or Shorted to High Source
Posted by PerDiezel Solutions on
Circuit DescriptionThe sensor supply 2 circuit of the engine control module (ECM) provides a 5 volt supply to various sensors on the engine harness. Refer to the wiring diagram for sensor supply identification. Component LocationSensor Supply 2 originates in the Engine Wiring Harness portion of the ECM. It supplies 5 volts to sensors in the engine wiring harness. Conditions for Running the DiagnosticsThis diagnostic runs continuously when the keyswitch is in the ON position or when the engine is running. Conditions for Setting the Fault CodesThe Engine Control Module (ECM) detected the sensor supply 2 signal voltage was greater than...
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 2272 PID: PID 27 SPN: 27 FMI: 4 EGR valve Position Circuit- Voltage Below Normal or Shorted to Low Source
Posted by PerDiezel Solutions on
Circuit DescriptionThe exhaust gas recirculation (EGR) valve is controlled by a brushless motor located on top of the EGR valve. The EGR valve motor uses three different motor legs to move the valve through its range of motion. The ECM uses the EGR motor A, B, and C wires to command the EGR valve to the appropriate position in order to meet EGR flow targets.The EGR valve motor contains three position sensors that detect the location of the EGR valve. These sensors report the position of the valve back to the ECM over the EGR valve position A, B, and...
Cummins X15 CM2450 X124B (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
Posted by PerDiezel Solutions on
Circuit DescriptionThe exhaust gas recirculation (EGR) differential pressure sensor has two ports that sense exhaust pressure. The sensor outputs a voltage which represents the pressure difference between the two ports located across an orifice in the EGR tube. The engine control module (ECM) uses this pressure to determine how much exhaust gas is flowing in the EGR connection tube to the intake manifold. This information is used to control the EGR valve for correct emission levels.The ECM provides a 5 volt supply to the EGR differential pressure sensor on the sensor supply circuit. The ECM also provides a ground on...
