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DR.Cummins
DR.Cummins, FIELD SERVICE TECHNICIAN
Category: Heavy Equipment
Satisfied Customers: 3562
Experience:  16 Years working on Cummins Diesel engines,
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What does EGR Delta pressure code mean?

CODEREASONEFFECT
Fault Code: 2274
PID: P411
SPN: 411
FMI: 4/4
LAMP: Amber
SRT: 

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.

 

EGR valve actuation will be disabled

Possible causes of this fault code include:

  • A signal circuit open or shorted to ground in the engine harness or sensor
  • A supply wire open or shorted to ground
  • A malfunctioning EGR differential pressure sensor
  • Plugged differential ports
  • Ecm calibration out of date
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Question

EGR delta pressure code came on. What does it mean?

Submitted: 4 years ago.
Category: Heavy Equipment
Expert:  DR.Cummins replied 4 years ago.
CODEREASONEFFECT
Fault Code: 2274
PID: P411
SPN: 411
FMI: 4/4
LAMP: Amber
SRT:

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.

EGR valve actuation will be disabled

Possible causes of this fault code include:

  • A signal circuit open or shorted to ground in the engine harness or sensor
  • A supply wire open or shorted to ground
  • A malfunctioning EGR differential pressure sensor
  • Plugged differential ports
  • Ecm calibration out of date
DR.Cummins and other Heavy Equipment Specialists are ready to help you
Expert:  DR.Cummins replied 4 years ago.
This will not make the engine shut down. You may experience low power and black smoke. It should be addressed ASAP