REFERENCE
Fault
Code
J1939
SPN
J1939
FMI
Lamp
Color
J1939 SPN
Description Cummins Description
45
551 558 4 Amber
Accelerator Pedal
Low Idle S witch
Accelerator P
edal or Lever Idle Validation Circuit -
Voltag e Below
Normal, or Shorted to Low Source
553 157 16 Amber
Injector Metering
Rail 1 Pressure
Injector Meterin g Rail #1 Pressure High – Data
Valid but Above Normal Operational Range -
Moderately Severe Leve l
554 157 2 Amber Injector Me
tering
Rail 1 Press
ure
Fuel Pressure Sensor Error - Data Erratic,
Intermittent, or Incorrect
559 157 18 Amber
Injector Metering
Rail 1 Pressure
Injector M
etering Rail #1 Pressure Low – Data
Valid but B
elow Normal Operational Range -
Moderate
ly 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
Turboc
harger #1 Speed High - Data Valid but
Above N
ormal Operational Range – Moderately
Sever
e Level
596 167 16 Amber
Alternate Potential
(voltage)
Electrical Charging System Voltage High – Data
Valid but Above Normal Operational Range -
Moderately Severe Leve l
597 167 18 Amber
Alternate Potential
(voltage)
Electrical Charging System Voltage Low – Data
Valid but Below Normal Operational Range -
Moderately Severe Leve l
598 167 1 Red
Alternate Potential
(voltage)
Ele
ctrical Charging System Voltage Low – Data
Val
id but Below Normal Operational Range - Most
Se
vere Level
599 640 14 Red Engine External
Protection Input
Auxiliary Commanded Dual Output Shutdown -
Special Instructions
649 1378 31 Maint
Engine Oil Change
Interval
Change Lubricating Oil and Filter – Condition
Exists
687 103 18 Amber
Turbocharger 1
Speed
Turbocharger #1 Speed Low - Data Valid but
Below Normal Operational Range – Moderately
Severe Level
689 190 2 Amber
Engine Speed Primary Engine Speed Sensor Error – Data
Erratic, Intermittent, or Incorrect
691 1172 3 Amber
Turbocharger
#1Compressor Inlet
Temperature
Turbocharger #1 Compressor Inlet Temperature
Sensor Circuit – Voltage Above Normal, or
Shorted to High Source
692 1172 4 Amber
Turbocharger
#1Compressor Inlet
Temperature
Turbocharger #1 Compressor Inlet Temperature
Sensor Circuit – Voltage Below Normal, or Shorted
to Low Source
147649 475 Revision A