JLG G12-55A Service Manual - Manual (Page 165)

9-23 G10-55A, G12-55A
Electrical System
9.12 SAE DIAGNOSTIC TROUBLE AND
FAULT CODES
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description
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
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 Above Normal, or Shorted to High 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
146 110 16 Amber
Engine Coolant
Temperature
Coolant Temperature High—Data Valid but
Above Normal Operational Range—Moderately
Severe Level
147 91 1 Red
Accelerator
Pedal Position
Accelerator Pedal or Lever Position Sensor Circuit—
Abnormal Frequency, Pulse Width, or Period