Service Manual

9-49
G10-55A, G12-55A
Electrical System
442 168 16 Amber Electrical Potential
(Voltage)
Battery #1 Voltage High - Data Valid but Above
Normal Operational Range - Moderately Severe
Level
449 157 0 Red Injector Metering
Rail 1 Pressure
Fuel Pressure High - Data Valid but Above
Normal Operational Range - Moderately Severe
Level
451 157 3 Amber Injector Metering
Rail 1 Pressure
Injector Metering Rail #1 Pressure Sensor
Circuit - Voltage Above Normal, or Shorted to
High Source
452 157 4 Amber Injector Metering
Rail 1 Pressure
Injector Metering Rail #1 Pressure Sensor
Circuit - Voltage Below Normal, or Shorted to
Low Source
488 105 16 Amber Intake Manifold Intake Manifold 1 Temperature - Data Valid but
Above Normal Operational Range - Moderately
Severe Level
489 191 18 Amber Transmission Output
Shaft Speed
Transmission Output Shaft Speed - Data Valid
but Below Normal Operational Range -
Moderately Severe Level
497 1377 2 Amber Switch Circuit AEB15.60 Page 151 of 157 Multiple Unit
Synchronization Switch Circuit - Data Erratic,
Intermittent, or Incorrect
523 611 2 Amber System Diagnostic
code #1
OEM Intermediate (PTO) Speed switch
Validation - Data Erratic, Intermittent, or
Incorrect
527 702 3 Amber Circuit - Voltage Auxiliary Input/Output 2 Circuit - Voltage Above
Normal, or Shorted to High Source
528 93 2 Amber Switch - Data Auxiliary Alternate Torque Validation Switch -
Data Erratic, Intermittent, or Incorrect
529 703 3 Amber Circuit - Voltage Auxiliary Input/Output 3 Circuit - Voltage Above
Normal, or Shorted to High Source
546 94 3 Amber Fuel Delivery
Pressure
Fuel Delivery Pressure Sensor Circuit - Voltage
Above Normal, or Shorted to High Source
547 94 4 Amber Fuel Delivery
Pressure
Fuel Delivery Pressure Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source
551 558 4 Amber Accelerator Pedal
Low Idle Switch
Accelerator Pedal or Lever Idle Validation
Circuit - Voltage Below Normal, or Shorted to
Low Source
553 157 16 Amber Injector Metering
Rail 1 Pressure
Injector Metering Rail #1 Pressure High - Data
Valid but Above Normal Operational Range -
Moderately Severe Level
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN Description Cummins Description