214603 473 Revision A
Cummins
Fault
Code
J1939
SPN
J1939
FMI
Lamp
J1939 SPN
Description
Cummins Description
64
2557 697 3 Amber
Auxiliary PWM
driver #1
Auxiliary PWM driver #1 — voltage above
normal, or shorted to high source
2558 697
4 Amber
Auxiliary PWM
driver #1
Auxiliary PWM driver #1 — voltage below
normal, or shorted to low source
527 702 3 Amber
Circuit — voltage Auxiliary input/output 2 circuit — voltage
above normal, or shorted to high source
529 703 3
Amber
Circuit — voltage Auxiliary input/output 3 circuit — voltage
above normal, or shorted to high source
779 703 11 Amber Auxiliary equipment
sensor input
Warning auxiliary equipment sensor input
#3 (OEM switch) — root cause not known
2195 703 14 Red Auxiliary equipment
sensor
Auxiliary equipment sensor input 3 engine
protection critical — special instructions
778 723 2 Amber
Engine speed
sensor #2
Engine speed sensor (camshaft) error —
data erratic, intermittent, or incorrect
2322 723 2
None
Engine speed
sensor #2
Engine speed/position sensor #2 — data
erratic, intermittent, or incorrect
731 723
7
Amber
Engine speed
sensor #2
Engine speed/position #2 mechanical
misalignment between camshaft and
crankshaft sensors — mechanical system
not responding properly or out of
adjustment
2555 729 3 Amber Inlet air heater driver
#1
Intake 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
2426 730 3
None
Intake air heater #2
Intake air heater 2 circuit — voltage above
normal, or shorted to high source
2425 730
4 None
Intake air heater #2
Intake air heater 2 circuit — voltage below
normal, or shorted to low 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
288 974 19
Red Remote accelerator
SAE J1939 multiplexing remote accelerator
pedal or lever data error — received network
data in error
REFERENCE
64. The descriptions of Cummins J1939 SPN codes are subject to change at their discretion.
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