Fault
SPN
FMI
Code
3423
4344
4
3425
4344
5
3478
2630
2
3488
563
9
3494
1081
7
3497
1761
17
3498
1761
18
3525
84
19
3526
84
9
3527
558
19
3528
558
9
3531
171
9
3532
171
19
3535
1213
9
3543
4094
31
3545
3226
10
D 23 70
Diesel Engine Failure-Codes chart
SPN
Lamp
Description
Aftertreatment 1
Diesel Exhaust
Amber
Fluid Line Heater
3 State
Aftertreatment 1
Diesel Exhaust
Amber
Fluid Line Heater
3 State
Engine Charge
Air Cooler 1
Amber
Outlet
Temperature
Anti-Lock Braking
Amber
(ABS) Active
Engine Wait to
Amber
Start Lamp
Amber
Aftertreatment 1
(Blink-
Diesel Exhaust
ing)
Fluid Tank Level
Amber
Aftertreatment 1
(Blink-
Diesel Exhaust
ing)
Fluid Tank Level
Wheel-Based
Amber
Vehicle Speed
Wheel-Based
Amber
Vehicle Speed
Accelerator Pedal
Red
1 Low Idle Switch
Accelerator Pedal
Red
1 Low Idle Switch
Ambient Air
Amber
Temperature
Ambient Air
Amber
Temperature
Malfunction
Amber
Indicator Lamp
NOx limits
exceeded due to
Amber
Insufficient Diesel
Exhaust Fluid Qual-
ity
Aftertreatment 1
Amber
Outlet NOx
Cumins Description
Aftertreatment Diesel Exhaust Fluid Line Heater 3 Circuit - Voltage
below normal, or shorted to low source
Aftertreatment Diesel Exhaust Fluid Line Heater 3 Circuit - Current
below normal or open circuit
Engine Charge Air Cooler Outlet Temperature - Data erratic, intermit-
tent or incorrect
Anti-Lock Braking (ABS) Controller -
Abnormal update rate
Engine Wait to Start Lamp -
Mechanical system not responding or out of adjustment
Aftertreatment 1 Diesel Exhaust
Fluid Tank Level - Data Valid But Below Normal Operating Range -
Least Severe Level
Aftertreatment 1 Diesel Exhaust
Fluid Tank Level - Data Valid But Below Normal Operating Range -
Moderately Severe Level
Wheel-Based Vehicle Speed -
Received Network Data In Error
Wheel-Based Vehicle Speed -
Abnormal update rate
Accelerator Pedal or Lever Idle
Validation Switch - Received
Network Data In Error
Accelerator Pedal or Lever Idle
Validation Switch - Abnormal update rate
Ambient Air Temperature -
Abnormal update rate
Ambient Air Temperature - Received
Network Data In Error
Malfunction Indicator Lamp -
Abnormal update rate
NOx limits exceeded due to Insufficient Reagent Quality - Condition
Exists
Aftertreatment 1 Outlet NOx Sensor
- Abnormal rate of change