REFERENCE
Fault
Code
J1939
SPN
J1939
FMI
Lamp
Color
J1939 SPN
Description Cummins Description
45
2363 1073 4 Amber Engine
Compression Brake
Output # 2
Engine Brake A
ctuator Circuit #2 – Voltage Below
Normal, or Sho
rted to Low Source
2365
1112 4 Amber
Engine Brake
Output # 3
Engine Brake Actuator Driver Output 3 Circuit -
Voltage Below Normal, or Shorted to Low Source
2367 1073 3 Amber Engine
Compression Brake
Output # 2
Engine Brak
e Actuator Circuit #2 – Voltage Above
Normal, or S
horted to High Source
2368 1112 3 Amber Engine Brak
e
Output # 3
Engine Brake Actuator Driver 3 Circuit - Voltage
Above Normal, or Shorted to High Source
2372 95 16 Amber
Engine Fuel
Filter Differential
Pressure
Fuel Filt
er Differential Pressure - Data Valid but
Above Nor
mal Operational Range - Moderately
Severe Le
vel
2373 1209 3 Amber
Exhaust Gas
Pressure
Exhaust Gas Pressure Sensor Circuit - Voltage
Above Normal, or Shorted to High Source
2374 1209 4 Amber
Exhaust Gas
Pressure
Exhaust Gas Pressure Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source
2375
412 3 Amber
Exhaus
tGas
Recir
culation
Temp e
rature
Exhaus
t Gas Recirculation Temperature Sensor
Circu
it - Vo lta ge Above Norm al, or Sh orte d to
High S
ource
2376
412 4 Amber
Exhaust Gas
Recirculation
Temperature
Exhaust Gas Recirculation Temperature Sensor
Circuit - Voltage Below Normal, or Shorted to Low
Source
2377 647 3 Ambe
r
FanClutchOutput
Device Driver
Fan Control Circuit - Voltage A bove No rmal, or
Shorted to High Source
2425 730 4
Int
ake Air Heater #
2
Int
ake A ir Heater 2 Circuit - Voltage Below Normal,
or S
horted to Low Source
2426 730 3
Intake Air Heater #
2
Intake Air Heater 2 Circuit - Voltage Above
Normal, or Shorted to High Source
24
48
11
1
17
Amber/Blinkin
g
Coolant Level Coolant Level - Data Valid But Below Normal
Operating Range - Least Severe Level
2555 729 3 Amber Inlet Air Heater
Driver #1
I
ntake Air Heater #1 Circuit - Voltage Above
Normal, or Shorted to High Source
2556 729 4 Amber Inlet Air Heater
Driver #1
Intake Air Heater #1 Circuit - Voltage Below
Normal, or Shorted to Low Source
2557 697 3 Am b e r Au xilia ry PWM
Driver #1
Auxiliary PWM Driver #1 - Vo lta ge Abo ve No rm a l,
orShortedtoHighSource
2558 697 4 Am b e r Au xilia ry PWM
Driver #1
Auxiliary PWM D rive r #1 - Voltage Belo w Normal,
or Shorted to Low Source
147649 479 Revision A