Service Manual

9-49
944E-42
Electrical System
2368 1112 3 Amber Engine Brake Output
#3
Engine Brake Actuator Driver 3 Circuit - Voltage
Above Normal, or Shorted to High Source
2372 95 16 Amber Engine Fuel Filter
Differential Pressure
Fuel Filter Differential Pressure - Data Valid but
Above Normal Operational Range - Moderately
Severe Level
2373 1209 3 Amber Exhaust Gas
Pressure
Exhaust Gas Pressure Sensor Circuit - Voltage
Above Normal, or Shorted to High Source
2374 1209 4 Amber Exhaust Gas
Pressure
Exhaust Gas Pressure Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source
2375 412 3 Amber Exhaust Gas
Recirculation
Temperature
Exhaust Gas Recirculation Temperature Sensor
Circuit - Voltage Above Normal, or Shorted to
High Source
2376 412 4 Amber Exhaust Gas
Recirculation
Temperature
Exhaust Gas Recirculation Temperature Sensor
Circuit - Voltage Below Normal, or Shorted to
Low Source
2377 647 3 Amber Fan Clutch Output
Device Driver
Fan Control Circuit - Voltage Above Normal, or
Shorted to High Source
2425 730 4 Intake Air Heater #2 Intake Air Heater 2 Circuit - Voltage Below
Normal, or Shorted to Low Source
2426 730 3 Intake Air Heater #2 Intake Air Heater 2 Circuit - Voltage Above
Normal, or Shorted to High Source
2555 729 3 Amber Inlet Air Heater
Driver #1
Intake Air Heater #1 Circuit - Voltage Above
Normal, or Shorted to High Source
2556 729 4 Amber Inlet Air Heater
Driver #1
Intake Air Heater #1 Circuit - Voltage Below
Normal, or Shorted to Low Source
2557 697 3 Amber Auxiliary PWM
Driver #1
Auxiliary PWM Driver #1 - Voltage Above
Normal, or Shorted to High Source
2558 697 4 Amber Auxiliary PWM
Driver #1
Auxiliary PWM Driver #1 - Voltage Below
Normal, or Shorted to Low Source
2963 110 15 None Engine Coolant
Temperature
Engine Coolant Temperature High - Data Valid
but Above Normal Operational Range - Least
Severe Level
2973 102 2 Amber Boost Pressure Intake Manifold Pressure Sensor Circuit - Data
Erratic, Intermittent, or Incorrect
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN Description Cummins Description