ENGINE ERROR CODES
J1939
SPN
J1939
FMI
Lamp
Color
Cummins
Code
J1939
SPN
Cummins
Description
Category
CDM Error
Message
2 Amber 431 91
Accelerator
Pedal Low
Idle Switch
Accelerator pedal or lever
idle validation circuit -
Data erratic, intermittent,
or incorrect
2 155 774
Secondary
Throttle
Position
Sensor
Data erratic, intermittent,
or incorrect
4Amber
55
Accelerator
Pedal Low
Idle Switch
Accelerator pedal or lever
idle validation circuit -
Voltage below normal, or
shorted to low source
558
13 Red 432
Accelerat
or
Pedal Low
Idle Swit
ch
Accelerat
or pedal or lever
idle va li
dation circuit - Out
of calibr
ation
3 Amber 2185
System
Diagnostic
Code #1
Sensor supply voltage #4
circuit - Voltage above
normal, or s ho rte d to high
source
4 Amber 238
System
Diagnostic
Code #1
Sensor supply voltage
#3 circuit - Voltage below
normal, or shorted to low
source
16 Amber 2292
Fuel Inlet
Meter D ev ice
Fuel inlet meter device
- Data valid but above
normal operational range
- Mode r ately severe level
18 Ambe
r
2293
Fuel
Inlet
Mete
rDevice
Fuel
inlet meter device
flow d
emand lower than
expe
cted - Data valid but
belo
w normal operational
rang
e - Moderately severe
lev
el
Accelerator
Pedal Low
Idle Switch
611
31 Amber
757
Electronic
Control
Module
Electronic control module
data lost - Condition exists
Electronic
Control
Module
612 2 Red 115
Sy
stem
Di
agnostic
C
ode # 2
En
gine speed / position
se
nsor circuit lost both
of
two signals from the
ma
gnetic pickup sensor -
D
ata erratic, intermittent,
o
r incorrect
Sy
stem
Di
agnostic
C
ode # 2
627 2 Amber 434
Power Supply
Power lost without
ignition off - Data erratic,
intermittent, or incorrect
Power
Supply
169890 350 Revision A