C2250

InfoCooling

What This Code Means

Rough running; Power imbalance between banks; Injector fault codes; Reduced boost pressure; Excessive exhaust smoke; Turbo bearing wear; Coolant temperature exceedances; Radiator capacity issues at high ambient temperature; Filter clogging; Hard starting; Injector fouling; Slow crank; Failed start

Possible Causes

  • Fuel injection system (MCRS) fault
  • Turbocharger system (dual turbo) fault
  • Cooling system (V-16 dual-circuit) fault
  • Fuel quality degradation
  • Tank degradation
  • Stagnant fuel
  • Starting system (24V battery bank) fault
  • Infrequently exercised units
  • Turbo bearing wear
  • Radiator capacity issues at high ambient

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for C2250 on your specific Cummins unit — cited to the OEM manual, not a forum guess.

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