Service Manual

Electrical System
9-44
944E-42
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
554 157 2 Amber Injector Metering
Rail 1 Pressure
Fuel Pressure Sensor Error - Data Erratic,
Intermittent, or Incorrect
559 157 18 Amber Injector Metering
Rail 1 Pressure
Injector Metering Rail #1 Pressure Low - Data
Valid but Below Normal Operational Range -
Moderately Severe Level
584 677 3 Amber Starter Solenoid
Lockout Relay Driver
Circuit
Starter Relay Circuit - Voltage Above Normal, or
Shorted to High Source
585 677 4 Amber Starter Solenoid
Lockout Relay Driver
Circuit
Starter Relay Circuit - Voltage Below Normal, or
Shorted to Low Source
595 103 16 Amber Turbocharger 1
Speed
Turbocharger #1 Speed High - Data Valid but
Above Normal Operational Range - Moderately
Severe Level
596 167 16 Amber Alternate Potential
(voltage)
Electrical Charging System Voltage High - Data
Valid but Above Normal Operational Range -
Moderately Severe Level
597 167 18 Amber Alternate Potential
(voltage)
Electrical Charging System Voltage Low - Data
Valid but Below Normal Operational Range -
Moderately Severe Level
598 167 1 Red Alternate Potential
(voltage)
Electrical Charging System Voltage Low - Data
Valid but Below Normal Operational Range -
Most Severe Level
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN Description Cummins Description