Cummins ISX CM870 (2003-06) Fault Code: 2274 PID: P411 SPN: 411 FMI: 4/4 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the EGR differential pressure sensor circuit.

The EGR differential pressure sensor shares supply and return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to be active. Before troubleshooting Fault Code 2274, check for multiple faults.

Possible causes:

1)Signal circuit open in the engine harness, connectors, or sensor
2)Supply circuit open or shorted to ground
3)Leaks in the sensor EGR differential pressure tubes
4)Sensor shorted to ground.

Possible repairs:

1)Repair the exhaust leaks at the pressure tubes.
2)Replace the EGR differential pressure sensor.
3)Repair the damaged harness, connector, or pins.
4)Replace the ECM.

Related

Categories Cumminz, DTC TRUCKS, ISX CM870 (2003-06) Tags -, 2003-06, 2274, 4/4, 411, at, Below, Circuit, Circuit., CM870, Code, Cummins, Delta, Detected, Differential, EGR, Exhaust, Fault, FMI, Gas, ISX, Low, Normal, or, P411, PID, Pressure, Recirculation, Sensor, Shorted, signal, Source., SPN, the, to, Valve, Voltage

Detroit Diesel Diagnostic Link DDDL 8.0 PRO PROFESSIONAL Software trucks
Detroit $25.00
Rated 0 out of 5
NAVISTAR ENGINE CYLINDER PERFORMANCE ANALYZER V7.8.8.1
Navistar $52.00
Rated 0 out of 5
Nexiq eTechnician 1.3.62 2020 etechnician software
NEXIQ $50.00
Rated 0 out of 5
Perkins EST 2022A ( 1 PC )
Perkins $86.00
Rated 0 out of 5
CLAAS WebTIC Offline [11.2021] Service Information – ENGLISH Language
CLAAS $100.00
Rated 0 out of 5

Detroit Diagnostic Link (DDDL 8.09) Engineering level 10
Detroit $40.00
Rated 0 out of 5
volvo delete files 2023 33,46 GB
Trucks software $300.00
Rated 0 out of 5
CAT Engine Reprogramming Tool for flash programming C1.8, C2.4, C3.8 & C3.3B + Guide
CAT $50.00
Rated 0 out of 5
Detroit Diesel Diagnostic Link DDDL 8.0 PRO PROFESSIONAL Software trucks
Detroit $25.00
Rated 0 out of 5
DOWNLOAD VOLVO MATRIS 2.3.3
Trucks software $60.00
Rated 0 out of 5
JPRO 2022 v1 Commercial Vehicle Diagnostics V1 Software Download & Installation Service ( 1 PC )
JPRO $94.00
Rated 0 out of 5
Bobcat Software Service Analyzer Version 87.07 ( 1PC )
Bobcat $90.00
Rated 0 out of 5
Volvo Impact 2021 Trucks & Buses 06.2021 DVD 9116 Spare Parts Catalog
Trucks software $55.00
Rated 0 out of 5
CATERPILLAR FLASH FILE 2021 74 GB ( Collection 2021 ) sofware trucks
CAT $55.00
Rated 0 out of 5
CLAAS WebTIC Offline [11.2021] Service Information – ENGLISH Language
CLAAS $100.00
Rated 0 out of 5
VOLVO PTT TECH TOOL 2.8.220 2023 Last version 1pc
Trucks software $200.00
Rated 0 out of 5
Volvo Penta EPC 6 Offline VMware [12.2021] VMware
Trucks software $64.00
Rated 0 out of 5
Detroit Diesel Diagnostic Link DDDL 6.50 ( software trucks )
Detroit $20.00
Rated 0 out of 5
Freightliner ServiceLink 4.9.6
Freightliner $30.00
Rated 0 out of 5
Eaton Service Ranger 4.9 Engineering 4.9 [05.2021] Engineering Level ( 1 PC )
Eaton $67.00
Rated 0 out of 5

SERVICE MANUAL Carrie Starbird TDB/TDS-215 and Starbird PlusTDB/TDS-219
CARRIE $24.00
Rated 0 out of 5
SERVICE MANUALDAF Fuso FE & FG Series 1992-1995
FUSO $27.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 653 sms
BOBCAT $45.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 2100 sms
BOBCAT $35.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 371 SMS
BOBCAT $40.00
Rated 0 out of 5
SERVICE MANUAL Carrie 30s
CARRIE $20.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 440-443-443b sms
BOBCAT $45.00
Rated 0 out of 5
SERVICE MANUAL MACK V-MAC IV (2004 Emissions)
MACK $29.00
Rated 0 out of 5
SERVICE MANUAL HINO FD.FE.FF.SG 2018
HINO $41.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 320-322
BOBCAT $65.00
Rated 0 out of 5