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- •Outdated firmware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
- 1Perform firmware update
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