JLG G12-55A Service Manual User Manual
Page 197

9-55
G10-55A, G12-55A
Electrical System
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