JLG G12-55A Service Manual - Manual (Page 174)

Electrical System
9-32 G10-55A, G12-55A
3141 3667 4 Amber
Engine Air Shutoff Circuit—Voltage below normal, or
shorted to low source
3186 1623 9 Amber
Tachograph Output Shaft Speed—Abnormal
update rate
3213 1623 2 Amber
Tachograph Output Shaft Speed—Received Net-
work Data In Error
3222 520435 12 Amber
Glow Plug Module—Bad intelligent device
or component
3326 91 9 Red
Multiplexed Accelerator Pedal or Lever Sensor
System—Abnormal update rate
3328 191 9 Amber
Transmission Output Shaft Speed—Abnormal
update rate
3727 5571 7 NA
High Pressure Common Rail Fuel Pressure Relief
Valve—Mechanical system not responding or out
of adjustment
3737 1675 11 NA
Engine Starter Mode Overcrank Protection—
Condition Exists
3918 5421 13 Amber
Engine Turbocharger Wastegate Actuator—Out
of Calibration
3921 5421 7 Amber
Engine Turbocharger Wastegate Actuator—
Mechanical system not responding or out
of adjustment
3922 5421 5 Amber
Engine Turbocharger Wastegate Actuator—Current
below normal or open circuit
3923 5421 6 Amber
Engine Turbocharger Wastegate Actuator—Current
above normal or grounded circuit
3924 520553 11 Amber Utility Reverse kW Fault—Condition Exists
3925 1188 2 Amber
Engine Turbocharger Wastegate Actuator 1 Position
—Data erratic, intermittent or incorrect
3927 5421 11 Amber
Engine Turbocharger Wastegate Actuator—Root
Cause Not Known
3928 5421 11 Amber
Engine Turbocharger Wastegate Actuator
—Condition Exists
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description