215676
482
Revision A
Cummins
Fault Code
J1939
SPN
J1939
FMI
Lamp
J1939 SPN Description
Cummins Description
66
143
100
18
Amber
Engine oil pressure
Oil pressure low
—
data valid but below
normal operational range
—
moderately severe
level
2973
102
2
Amber
Boost pressure
Intake manifold pressure sensor circuit
—
data
erratic, intermittent, or incorrect
122
102
3
Amber
Boost pressure
Intake manifold pressure sensor circuit
—
voltage above normal, or shorted to
high source
123
102
4
Amber
Boost pressure
Intake manifold pressure sensor circuit
—
voltage below normal, or shorted to
low source
124
102
16
Amber
Boost pressure
Intake manifold 1 pressure
—
data valid but
above normal operational range
—
moderately
severe level
2345
103
10
Amber
Turbocharger 1 speed
Turbocharger speed invalid rate of change
detected
—
abnormal rate of change
595
103
16
Amber
Turbocharger 1 speed
Turbocharger #1 speed high
—
data valid but
above normal operational range
—
moderately
severe level
687
103
18
Amber
Turbocharger 1 speed
Turbocharger #1 speed low
—
data valid but
below normal operational range
—
moderately
severe level
155
105
0
Red
Intake manifold #1 temp
Intake manifold air temperature high
—
data
valid but above normal operational range
—
most severe level
153
105
3
Amber
Intake manifold #1 temp
Intake manifold air temperature sensor circuit
—
voltage above normal, or shorted to high
154
105
4
Amber
Intake manifold #1 temp
Intake manifold air temperature 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
295
108
2
Amber
Barometric pressure
Barometric pressure sensor circuit
—
data
erratic, intermittent, or incorrect
221
108
3
Amber
Barometric pressure
Barometric pressure sensor circuit
—
voltage
above normal, or shorted to high source
222
108
4
Amber
Barometric pressure
Barometric pressure sensor circuit
—
voltage
below normal, or shorted to low source
231
109
3
Amber
Coolant pressure
Coolant pressure sensor circuit
—
voltage
above normal, or shorted to high source
232
109
4
Amber
Coolant pressure
Coolant pressure sensor circuit
—
voltage
below normal, or shorted to low source
233
109
18
Amber
Coolant pressure
Coolant pressure
—
data valid but below
normal operational range
—
moderately
severe level
66. The descriptions of Cummins J1939 SPN codes are subject to change at their discretion.
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