JLG G12-55A Service Manual User Manual
Page 173

9-31
G10-55A, G12-55A
Electrical System
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
(EGR)
Temperature
Exhaust Gas Recirculation (EGR) Temperature
Sensor Circuit—Voltage Above Normal, or Shorted
to High Source
2376
412
4
Amber
Exhaust Gas
Recirculation
(EGR)
Temperature
Exhaust Gas Recirculation (EGR) 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
2448
111
17
Amber/
Blink-
ing
Coolant Level
Coolant Level—Data Valid But Below Normal
Operating Range—Least Severe Level
2468
190
0
Engine Crankshaft Speed/Position—Data Valid But
Above Normal Operating Range—Moderately
Severe Level
2554
1209
2
Amber
Not Available
Exhaust Gas Pressure—Data Erratic, Intermittent
or Incorrect
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
2646
110
31
Amber
Not Available
Engine Coolant Temperature—Condition Exists
2765
2797
13
None
Not Available
Engine Injector Bank 1 Barcodes
—Out of Calibration
2961
412
15
None
Engine Intake
Valve
Actuator #12
Exhaust Gas Recirculation (EGR) Temperature—
Data Valid But Above Normal Operating Range—
Least Severe Level
2973
102
2
Amber
Boost
Pressure
Intake Manifold Pressure Sensor Circuit—Data
Erratic, Intermittent, or Incorrect Circuit—Voltage
Below Normal, or Shorted to Low Source
3139
3667
3
Amber
Engine Air Shutoff Circuit—Voltage above normal, or
shorted to high source
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description