JLG G12-55A Service Manual - Manual (Page 185)

9-43 G10-55A, G12-55A
Electrical System
9.15 SAE DIAGNOSTIC TROUBLE CODES AND FAULT CODES - CUMMINS
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN Description Cummins Description
111 629 12 Red Controller #1 Engine Control Module Critical internal failure -
Bad intelligent Device or Component
115 612 2 Red System Diagnostic
Code #2
Engine Speed/Position Sensor Circuit lost both
of two signals from the magnetic pickup sensor
- Data Erratic, Intermittent, or incorrect
122 102 3 Amber Boost Pressure Intake Manifold Pressure Sensor Circuit -
Voltage Above Normal, or Shorted to High
Source
123 102 4 Amber Boost Pressure Intake Manifold Pressure Sensor Circuit -
Voltage Below Normal, or Shorted to Low
Source
124 102 16 Amber Boost Pressure Intake Manifold 1 Pressure - Data Valid but
Above Normal Operational Range - Moderately
Severe Level
131 91 3 Red Accelerator Pedal
Position
Accelerator Pedal or Lever Position Sensor
Circuit - Voltage Above Normal, or Shorted to
High Source
132 91 4 Red Accelerator Pedal
Position
Accelerator Pedal or Lever Position Sensor
Circuit - Voltage Below Normal, or Shorted to
Low Source
133 974 3 Red Remote Accelerator Remote Accelerator Pedal or Lever Position
Sensor Circuit - Voltage Above Normal, or
Shorted to High Source
134 974 4 Red Remote Accelerator Remote Accelerator Pedal or Lever Position
Sensor Circuit - Voltage Below Normal, or
Shorted to Low Source
135 100 3 Amber Engine Oil Pressure Oil Pressure Sensor Circuit - Voltage Above
Normal, or Shorted to High Source
141 100 4 Amber Engine Oil Pressure Oil Pressure Sensor Circuit - Voltage Below
Normal, or Shorted to Low Source
143 100 18 Amber Engine Oil Pressure Oil Pressure Low - Data Valid but Below Normal
Operational Range - Moderately Severe Level
144 110 3 Amber Engine Coolant
Temperature
Coolant Temperature Sensor Circuit - Voltage
Above Normal, or Shorted to High Source
145 110 4 Amber Engine Coolant
Temperature
Coolant Temperature Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source