UNSPECIFIED
UnclassifiedCooling
What This Code Means
Rough running; Power imbalance; Reduced boost; Excessive smoke; Turbo bearing noise; Coolant temperature exceedances; System pressure loss in either loop; Filter clogging; Hard starting; Injector fouling; Slow crank; Failed start
Possible Causes
- •MCRS fuel injection system failure (typically around 20,000 hours)
- •Turbocharger (HX82/HX83) failure (typically around 18,000 hours)
- •2P2L cooling system failure (typically around 12,000 hours)
- •Fuel quality issues
- •Tank degradation (typically around 4,380 hours)
- •Starting system failure (24V battery bank, 55A alternator) (typically around 8,760 hours)
Related Cummins Fault Codes
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