Cummins

C2750

InfoCooling

What This Code Means

Rough running; Cylinder imbalance; Injector fault codes; Reduced boost efficiency; Intake temperature rise; Coolant temperature exceedances; System pressure loss under sustained load; Communication faults; Sensor input errors; Slow crank on large displacement; Failed start; Failed start on infrequently exercised units

Possible Causes

  • •Fuel injection system (MCRS) injector fault
  • •Charge air cooler leaks
  • •Cooling system (high-capacity) failure
  • •PowerCommand 3.3 controller fault
  • •Outdated firmware
  • •Starting system (24V battery bank) failure
  • •Infrequent equipment exercise
  • •Fuel injection system (MCRS) fault
  • •High-capacity cooling system fault
  • •Starting system (24V battery bank) fault

Suggested Actions

  1. 1Perform firmware update

Related Cummins Fault Codes

C3000C3250C2500C3500C2250CRANKING LOCKOUTC2000DS1C1750DS2C1540DS3
Browse all Cummins fault codes

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