All Cummins Fault Codes
273 Cummins diesel fault codes. Click any code for causes, diagnostics, severity, and common fixes.
CUMMINS-111 critical
ECM Critical Internal Failure
CUMMINS-115 critical
Engine Magnetic Speed/Position Lost Both of Two Signals
CUMMINS-143 critical
Oil Pressure Low - Warning
CUMMINS-151 critical
Engine Coolant Temperature High - Critical
CUMMINS-1663 critical
Aftertreatment 1 Diesel Oxidation Catalyst Missing
CUMMINS-1664 critical
Aftertreatment 1 Diesel Particulate Filter Missing
CUMMINS-1679 critical
Aftertreatment SCR Operator Inducement Severity
CUMMINS-217 critical
Engine Coolant Temperature High - Shutdown
CUMMINS-218 critical
Intake Manifold Temperature High - Shutdown
CUMMINS-219 critical
Engine Oil Pressure Extremely Low - Shutdown
CUMMINS-234 critical
Engine Crankshaft Speed/Position - Data Erratic (High)
CUMMINS-235 critical
Coolant Level Low - Critical
CUMMINS-254 critical
Fuel Shutoff Valve - Current Below Normal
CUMMINS-255 critical
Fuel Shutoff Valve - Current Above Normal
CUMMINS-259 critical
Fuel Shutoff Valve Stuck Open
CUMMINS-2641 critical
Aftertreatment SCR System - Fault Severity 1
CUMMINS-2642 critical
Aftertreatment SCR System - Fault Severity 2
CUMMINS-2643 critical
Aftertreatment SCR System - Final Inducement (5 mph limit)
CUMMINS-2648 critical
Aftertreatment SCR Efficiency - Data Valid But Below Normal Most Severe
CUMMINS-271 critical
Fuel Pump Pressurizing Actuator #1 Circuit - Voltage Below Normal
CUMMINS-272 critical
Fuel Pump Pressurizing Actuator #1 Circuit - Voltage Above Normal
CUMMINS-273 critical
Fuel Pump Pressurizing Actuator #1 Mechanical System Not Responding
CUMMINS-275 critical
Fuel Pump Pressurizing Actuator #2 Mechanical System Not Responding
CUMMINS-2778 critical
High Pressure Common Rail Fuel Pressure Relief Valve Stuck Open
CUMMINS-351 critical
Injector Power Supply - Bad Intelligent Device or Component
CUMMINS-3716 critical
Aftertreatment DPF Soot Load - Data Valid But Above Normal Most Severe
CUMMINS-3797 critical
Aftertreatment Reductant Dosing Abnormal - Severity High
CUMMINS-415 critical
Oil Pressure Low - Shutdown
CUMMINS-449 critical
Fuel Pressure High - Critical
CUMMINS-1139 moderate
Injector Cylinder #1 Circuit - Current Below Normal
CUMMINS-1140 moderate
Injector Cylinder #2 Circuit - Current Below Normal
CUMMINS-1141 moderate
Injector Cylinder #3 Circuit - Current Below Normal
CUMMINS-1142 moderate
Injector Cylinder #4 Circuit - Current Below Normal
CUMMINS-1143 moderate
Injector Cylinder #5 Circuit - Current Below Normal
CUMMINS-1144 moderate
Injector Cylinder #6 Circuit - Current Below Normal
CUMMINS-1145 moderate
Injector Cylinder #1 Circuit - Current Above Normal
CUMMINS-1146 moderate
Injector Cylinder #2 Circuit - Current Above Normal
CUMMINS-1147 moderate
Injector Cylinder #3 Circuit - Current Above Normal
CUMMINS-1148 moderate
Injector Cylinder #4 Circuit - Current Above Normal
CUMMINS-1149 moderate
Injector Cylinder #5 Circuit - Current Above Normal
CUMMINS-1150 moderate
Injector Cylinder #6 Circuit - Current Above Normal
CUMMINS-121 moderate
Intake Manifold Pressure Sensor Circuit - Data Valid But Below Normal
CUMMINS-122 moderate
Intake Manifold Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-123 moderate
Intake Manifold Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-1239 moderate
Fuel Delivery Pressure Sensor Circuit - Data Erratic
CUMMINS-124 moderate
Intake Manifold Pressure Data Valid But Above Normal Operational Range
CUMMINS-1242 moderate
Fuel Delivery Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-1243 moderate
Fuel Delivery Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-1256 moderate
Fuel Delivery Pressure Low - Data Valid But Below Normal
CUMMINS-1257 moderate
Fuel Delivery Pressure - Data Valid But Above Normal
CUMMINS-131 moderate
Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Above Normal
CUMMINS-1311 moderate
Injector Cylinder #2 - Current Low (Alt Code)
CUMMINS-132 moderate
Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Below Normal
CUMMINS-133 moderate
Remote Accelerator Pedal Position Sensor Circuit - Voltage Above Normal
CUMMINS-134 moderate
Remote Accelerator Pedal Position Sensor Circuit - Voltage Below Normal
CUMMINS-135 moderate
Oil Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-141 moderate
Oil Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-144 moderate
Coolant Temperature Sensor Circuit - Voltage Above Normal
CUMMINS-145 moderate
Coolant Temperature Sensor Circuit - Voltage Below Normal
CUMMINS-146 moderate
Engine Coolant Temperature High - Warning
CUMMINS-153 moderate
Intake Manifold Temperature Sensor Circuit - Voltage Above Normal
CUMMINS-154 moderate
Intake Manifold Temperature Sensor Circuit - Voltage Below Normal
CUMMINS-155 moderate
Intake Manifold Temperature High - Critical
CUMMINS-1569 moderate
Fuel Derate - DPF Regeneration Disabled
CUMMINS-1665 moderate
Aftertreatment 1 DPF Intake Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-1666 moderate
Aftertreatment 1 DPF Intake Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-1667 moderate
Aftertreatment 1 DPF Outlet Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-1668 moderate
Aftertreatment 1 DPF Outlet Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-1669 moderate
Aftertreatment 1 DOC Intake Temperature Sensor - Voltage Above Normal
CUMMINS-1671 moderate
Aftertreatment 1 DPF Outlet Temperature Sensor - Voltage Above Normal
CUMMINS-1672 moderate
Aftertreatment 1 DPF Outlet Temperature Sensor - Voltage Below Normal
CUMMINS-1673 moderate
Aftertreatment 1 DOC Outlet Temperature Sensor - Voltage Above Normal
CUMMINS-1674 moderate
Aftertreatment 1 DOC Outlet Temperature Sensor - Voltage Below Normal
CUMMINS-1675 moderate
Aftertreatment 1 DPF Differential Pressure - Voltage Above Normal
CUMMINS-1676 moderate
Aftertreatment 1 DPF Differential Pressure - Voltage Below Normal
CUMMINS-1677 moderate
Aftertreatment 1 DPF Differential Pressure - Data Valid But Above Normal
CUMMINS-1678 moderate
Aftertreatment 1 DPF Intake Pressure - Data Valid But Above Normal
CUMMINS-1681 moderate
Aftertreatment 1 SCR Intake Temperature - Voltage Above Normal
CUMMINS-1682 moderate
Aftertreatment 1 SCR Intake Temperature - Voltage Below Normal
CUMMINS-1683 moderate
Aftertreatment 1 SCR Outlet Temperature - Voltage Above Normal
CUMMINS-1684 moderate
Aftertreatment 1 SCR Outlet Temperature - Voltage Below Normal
CUMMINS-1687 moderate
Aftertreatment 1 Diesel Exhaust Fluid Doser 1 - Current Below Normal
CUMMINS-1688 moderate
Aftertreatment 1 Diesel Exhaust Fluid Doser 1 - Current Above Normal
CUMMINS-1689 moderate
Aftertreatment 1 DEF Dosing Unit Heater - Current Below Normal
CUMMINS-1691 moderate
Aftertreatment 1 DEF Dosing Unit - Voltage Above Normal
CUMMINS-1692 moderate
Aftertreatment 1 DEF Dosing Unit - Voltage Below Normal
CUMMINS-1695 moderate
Sensor Supply #5 Circuit - Voltage Above Normal
CUMMINS-1696 moderate
Sensor Supply #5 Circuit - Voltage Below Normal
CUMMINS-1697 moderate
Aftertreatment 1 DEF Quality - Data Erratic
CUMMINS-1698 moderate
Aftertreatment 1 DEF Concentration - Data Valid But Below Normal
CUMMINS-1699 moderate
Aftertreatment 1 DEF Tank Volume Low - Warning
CUMMINS-1700 moderate
Aftertreatment 1 DEF Tank Volume - Data Valid But Below Normal
CUMMINS-187 moderate
Sensor Supply Voltage 2 Circuit - Voltage Below Normal
CUMMINS-197 moderate
Coolant Level Low - Warning
CUMMINS-227 moderate
Sensor Supply Voltage 2 Circuit - Voltage Above Normal
CUMMINS-231 moderate
SAE J1939 Data Link - Cannot Receive Network Messages
CUMMINS-238 moderate
Sensor Supply Voltage 3 Circuit - Voltage Below Normal
CUMMINS-239 moderate
Sensor Supply Voltage 3 Circuit - Voltage Above Normal
CUMMINS-242 moderate
Wheel-Based Vehicle Speed Sensor Circuit Tampering
CUMMINS-245 moderate
Fan Control Circuit - Voltage Below Normal
CUMMINS-258 moderate
Engine Oil Temperature High - Warning
CUMMINS-2614 moderate
Aftertreatment SCR Outlet NOx Sensor - Data Erratic
CUMMINS-2615 moderate
Aftertreatment SCR Inlet NOx Sensor - Data Erratic
CUMMINS-2616 moderate
Aftertreatment SCR Inlet NOx Sensor - Voltage Above Normal
CUMMINS-2617 moderate
Aftertreatment SCR Inlet NOx Sensor - Voltage Below Normal
CUMMINS-2618 moderate
Aftertreatment SCR Outlet NOx Sensor - Voltage Above Normal
CUMMINS-2619 moderate
Aftertreatment SCR Outlet NOx Sensor - Voltage Below Normal
CUMMINS-2621 moderate
Aftertreatment SCR Inlet NOx - Abnormal Update Rate
CUMMINS-2622 moderate
Aftertreatment SCR Outlet NOx - Abnormal Update Rate
CUMMINS-2623 moderate
Aftertreatment SCR Inlet NOx Sensor - Root Cause Not Known
CUMMINS-2624 moderate
Aftertreatment SCR Outlet NOx Sensor - Root Cause Not Known
CUMMINS-2625 moderate
Aftertreatment SCR Outlet NOx - Data Valid But Above Normal
CUMMINS-2631 moderate
Aftertreatment DEF Concentration - Data Valid But Below Normal
CUMMINS-2632 moderate
Aftertreatment DEF Concentration - Data Valid But Above Normal
CUMMINS-2633 moderate
Aftertreatment SCR Catalyst Reagent Pressure - Below Normal
CUMMINS-2634 moderate
Aftertreatment SCR Catalyst Reagent Pressure - Above Normal
CUMMINS-2635 moderate
Aftertreatment DEF Pump Motor - Voltage Above Normal
CUMMINS-2636 moderate
Aftertreatment DEF Pump Motor - Voltage Below Normal
CUMMINS-2637 moderate
Aftertreatment DEF Pump Motor - Mechanical System Not Responding
CUMMINS-2638 moderate
Aftertreatment DEF Pump Motor - Current Below Normal
CUMMINS-2639 moderate
Aftertreatment DEF Pump Motor - Current Above Normal
CUMMINS-2646 moderate
Aftertreatment SCR Efficiency - Data Valid But Below Normal Least Severe
CUMMINS-2647 moderate
Aftertreatment SCR Efficiency - Data Valid But Below Normal Moderately Severe
CUMMINS-2652 moderate
Aftertreatment DEF Pump Pressurizing Stage - Not Responding
CUMMINS-2657 moderate
Aftertreatment SCR Efficiency - Abnormal Rate of Change
CUMMINS-2658 moderate
Aftertreatment SCR Efficiency - Data Erratic
CUMMINS-2659 moderate
Aftertreatment DEF Pump Pressurizing Stage - Abnormal Update
CUMMINS-266 moderate
Engine Fuel Temperature High - Critical
CUMMINS-2666 moderate
Aftertreatment DEF Dosing Valve Stuck
CUMMINS-2675 moderate
Aftertreatment SCR Inducement Data Erratic
CUMMINS-2676 moderate
Aftertreatment DEF Pump Reversing Valve - Not Responding
CUMMINS-2677 moderate
Aftertreatment DEF Pump Reversing Valve Driver - Voltage Below Normal
CUMMINS-2678 moderate
Aftertreatment DEF Pump Reversing Valve Driver - Voltage Above Normal
CUMMINS-2711 moderate
Aftertreatment DOC Intake Temperature - Data Erratic
CUMMINS-2712 moderate
Aftertreatment DOC Intake Temperature - Above Normal
CUMMINS-2713 moderate
Aftertreatment DOC Outlet Temperature - Data Erratic
CUMMINS-2745 moderate
EGR Valve Controller - Voltage Above Normal
CUMMINS-2746 moderate
EGR Valve Controller - Voltage Below Normal
CUMMINS-2747 moderate
EGR Valve Position - Not Responding To Command
CUMMINS-2748 moderate
EGR Valve Position - Root Cause Not Known
CUMMINS-2749 moderate
EGR Valve Position - Data Erratic
CUMMINS-2751 moderate
EGR Differential Pressure Sensor - Voltage Above Normal
CUMMINS-2752 moderate
EGR Differential Pressure Sensor - Voltage Below Normal
CUMMINS-2762 moderate
Aftertreatment DEF Dosing Valve - Not Responding
CUMMINS-2763 moderate
Aftertreatment SCR Inlet NOx Drift - Warning
CUMMINS-2764 moderate
Aftertreatment SCR Outlet NOx Drift - Warning
CUMMINS-2771 moderate
Aftertreatment DEF Air Assist Pressure - Not Responding
CUMMINS-2772 moderate
Aftertreatment DEF Air Assist Pressure - Data Erratic
CUMMINS-2786 moderate
Exhaust Gas Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-2787 moderate
Exhaust Gas Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-2789 moderate
Exhaust Temperature High - Warning
CUMMINS-2791 moderate
EGR Valve Controller - Bad Intelligent Device
CUMMINS-2792 moderate
Aftertreatment DEF Dosing Valve - Bad Intelligent Device
CUMMINS-2793 moderate
EGR Valve Position - Data Valid But Above Normal
CUMMINS-2794 moderate
EGR Valve Position - Data Valid But Below Normal
CUMMINS-2795 moderate
VGT Actuator - Not Responding To Command
CUMMINS-2796 moderate
VGT Actuator - Voltage Above Normal
CUMMINS-2797 moderate
VGT Actuator - Voltage Below Normal
CUMMINS-2798 moderate
Turbocharger Turbine Intake Temperature - Voltage Above Normal
CUMMINS-2799 moderate
Turbocharger Turbine Intake Temperature - Voltage Below Normal
CUMMINS-281 moderate
Electric Lift Pump For Engine Fuel Supply Mechanical System Not Responding
CUMMINS-287 moderate
SAE J1939 Accelerator Pedal Position Sensor 1 Calibration
CUMMINS-288 moderate
SAE J1939 Remote Accelerator Pedal Calibration
CUMMINS-293 moderate
Auxiliary Temperature 1 High - Critical
CUMMINS-300 moderate
Auxiliary Temperature 2 High - Critical
CUMMINS-341 moderate
Engine Control Module Data Lost
CUMMINS-342 moderate
Electronic Calibration Code Incompatibility
CUMMINS-343 moderate
ECM Warning Internal Hardware Failure
CUMMINS-352 moderate
Sensor Supply Voltage #1 Circuit - Voltage Below Normal
CUMMINS-3712 moderate
Aftertreatment DPF Active Regeneration Inhibited Due to Inhibit Switch
CUMMINS-3713 moderate
Aftertreatment DPF Active Regeneration Inhibited Due to Low Exhaust Temperature
CUMMINS-3717 moderate
Aftertreatment DPF Soot Load - Data Valid But Above Normal Moderately Severe
CUMMINS-3719 moderate
Aftertreatment DPF Soot Load Moderately High - Warning
CUMMINS-3721 moderate
Aftertreatment DPF Soot Load High - Warning
CUMMINS-3722 moderate
Aftertreatment DPF Ash Level - Replacement Required
CUMMINS-3723 moderate
Aftertreatment DPF Soot Load Data Erratic
CUMMINS-3724 moderate
Aftertreatment DPF Stationary Regeneration Required
CUMMINS-3725 moderate
Aftertreatment DPF Active Regeneration Required
CUMMINS-3726 moderate
Aftertreatment DPF Regeneration Needed - No Driver Action
CUMMINS-3727 moderate
Aftertreatment DPF Regeneration Requested for Long Period - Derate
CUMMINS-3728 moderate
Aftertreatment DPF Differential Pressure - Data Erratic
CUMMINS-3729 moderate
Aftertreatment DPF Intake Pressure - Data Erratic
CUMMINS-3731 moderate
Aftertreatment DPF Outlet Temperature - Data Erratic
CUMMINS-3741 moderate
Aftertreatment SCR Intake Temperature - Data Erratic
CUMMINS-3742 moderate
Aftertreatment SCR Outlet Temperature - Data Erratic
CUMMINS-3745 moderate
Aftertreatment 1 Diesel Oxidation Catalyst - Not Responding Properly
CUMMINS-3746 moderate
Aftertreatment 1 Diesel Particulate Filter - Not Responding Properly
CUMMINS-3752 moderate
Aftertreatment DPF System Needs Service - Ash Cleaning Required
CUMMINS-3753 moderate
Aftertreatment DEF Dosing Unit - Current Below Normal
CUMMINS-3754 moderate
Aftertreatment DEF Dosing Unit - Current Above Normal
CUMMINS-3761 moderate
Aftertreatment Fuel Injector - Not Responding
CUMMINS-3762 moderate
Aftertreatment Fuel Injector - Current Below Normal
CUMMINS-3763 moderate
Aftertreatment Fuel Injector - Current Above Normal
CUMMINS-3764 moderate
Aftertreatment DEF Reversing Valve - Current Below Normal
CUMMINS-3765 moderate
Aftertreatment DEF Reversing Valve - Current Above Normal
CUMMINS-3766 moderate
Aftertreatment DEF Doser 1 - Not Responding
CUMMINS-3768 moderate
Aftertreatment DOC Outlet Temperature Rate Abnormal
CUMMINS-3789 moderate
Aftertreatment 1 EGR Outlet Temperature - Data Valid But Above Normal
CUMMINS-3791 moderate
Aftertreatment SCR Catalyst Conversion Efficiency - Below Threshold
CUMMINS-3793 moderate
Aftertreatment DEF Quality Sensor - Current Below Normal
CUMMINS-3794 moderate
Aftertreatment DEF Quality Sensor - Current Above Normal
CUMMINS-3796 moderate
Aftertreatment Reductant Dosing Abnormal - Severity Medium
CUMMINS-3798 moderate
Aftertreatment DPF Regen Blocked - Multiple Conditions
CUMMINS-386 moderate
Sensor Supply Voltage #1 Circuit - Voltage Above Normal
CUMMINS-418 moderate
Water In Fuel Indicator High - Warning
CUMMINS-426 moderate
SAE J1939 Data Link - Unable To Transmit
CUMMINS-427 moderate
SAE J1939 Data Link - Abnormal Update Rate
CUMMINS-431 moderate
Accelerator Pedal or Lever Idle Validation Circuit
CUMMINS-432 moderate
Accelerator Pedal or Lever Idle Validation - Out Of Calibration
CUMMINS-433 moderate
Intake Manifold Pressure - Data Erratic
CUMMINS-435 moderate
Engine Oil Pressure - Data Erratic
CUMMINS-441 moderate
Battery #1 Voltage Low
CUMMINS-442 moderate
Battery #1 Voltage High
CUMMINS-451 moderate
Injector Metering Rail #1 Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-452 moderate
Injector Metering Rail #1 Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-488 moderate
Intake Manifold Air Temperature High - Warning
CUMMINS-1317 low
OEM Pressure/Temperature Switch Input Open Circuit
CUMMINS-1321 low
OEM Pressure/Temperature Switch Input Short Circuit
CUMMINS-1693 low
Aftertreatment 1 DEF Tank Temperature - Voltage Above Normal
CUMMINS-1694 low
Aftertreatment 1 DEF Tank Temperature - Voltage Below Normal
CUMMINS-195 low
Coolant Level Sensor 1 Circuit - Voltage Above Normal
CUMMINS-196 low
Coolant Level Sensor 1 Circuit - Voltage Below Normal
CUMMINS-221 low
Barometric Pressure Sensor Circuit - Voltage Above Normal
CUMMINS-222 low
Barometric Pressure Sensor Circuit - Voltage Below Normal
CUMMINS-237 low
External Speed Input (Multiple Unit Synchronization)
CUMMINS-241 low
Wheel-Based Vehicle Speed - Data Erratic
CUMMINS-249 low
Auxiliary Temperature Sensor 1 Input - Data Erratic
CUMMINS-253 low
Hydraulic Temperature Sensor Circuit - Voltage Below Normal
CUMMINS-261 low
Engine Fuel Temperature High - Warning
CUMMINS-263 low
Fuel Temperature Sensor Circuit - Voltage Above Normal
CUMMINS-265 low
Fuel Temperature Sensor Circuit - Voltage Below Normal
CUMMINS-2661 low
Aftertreatment DEF Purge Air Pressure - Above Normal Warning
CUMMINS-2662 low
Aftertreatment DEF Purge Valve - Voltage Above Normal
CUMMINS-2663 low
Aftertreatment DEF Purge Valve - Voltage Below Normal
CUMMINS-2664 low
Aftertreatment DEF Line Heater - Data Valid Above Normal
CUMMINS-2667 low
Aftertreatment DEF Tank Temperature High
CUMMINS-2668 low
Aftertreatment DEF Tank Temperature Low
CUMMINS-2671 low
Aftertreatment DEF Tank Level - Data Valid Above Normal
CUMMINS-2673 low
Aftertreatment DEF Tank Level - Data Erratic
CUMMINS-2753 low
EGR Temperature Sensor - Voltage Above Normal
CUMMINS-2754 low
EGR Temperature Sensor - Voltage Below Normal
CUMMINS-2765 low
Aftertreatment DEF Dosing Unit Input Lines - Data Erratic
CUMMINS-2800 low
Aftertreatment DEF Air Assist Pressure - Above Normal
CUMMINS-285 low
SAE J1939 Multiple Unit Synchronization - Abnormal Update Rate
CUMMINS-286 low
SAE J1939 Multiple Unit Synchronization Calibration
CUMMINS-292 low
Auxiliary Temperature 1 High - Warning
CUMMINS-294 low
Auxiliary Temperature Sensor 1 Circuit - Voltage Above Normal
CUMMINS-295 low
Auxiliary Temperature Sensor 1 Circuit - Voltage Below Normal
CUMMINS-297 low
Auxiliary Temperature Sensor 2 Circuit - Voltage Above Normal
CUMMINS-298 low
Auxiliary Temperature Sensor 2 Circuit - Voltage Below Normal
CUMMINS-299 low
Auxiliary Temperature 2 High - Warning
CUMMINS-349 low
Transmission Output Shaft Speed High - Warning
CUMMINS-3714 low
Aftertreatment DPF Active Regeneration Inhibited Due to PTO
CUMMINS-3715 low
Aftertreatment DPF Active Regeneration Inhibited Due to Clutch Disengaged
CUMMINS-3718 low
Aftertreatment DPF Active Regeneration Inhibited Due To Service Brake Switch
CUMMINS-3747 low
Aftertreatment DEF Dosing Unit Line Heaters - Below Normal Warning
CUMMINS-3748 low
Aftertreatment DEF Dosing Unit Line Heaters - Data Valid But Below Normal
CUMMINS-3749 low
Aftertreatment DEF Pump Motor - Abnormal Update Rate
CUMMINS-3758 low
Aftertreatment DEF Tank Header - Data Valid Above Normal
CUMMINS-3759 low
Aftertreatment DEF Tank Header - Data Valid Below Normal
CUMMINS-3776 low
Aftertreatment DEF Tank Heater - Current Below Normal
CUMMINS-3779 low
Aftertreatment DEF Tank Heater - Current Above Normal
CUMMINS-3781 low
Aftertreatment DEF Tank Heater Circuit - Voltage Above Normal
CUMMINS-3782 low
Aftertreatment DEF Tank Heater Circuit - Voltage Below Normal
CUMMINS-3784 low
Aftertreatment DEF Line Heater 1 - Data Below Normal
CUMMINS-3785 low
Aftertreatment DEF Line Heater 2 - Data Below Normal
CUMMINS-3786 low
Aftertreatment DEF Line Heater 3 - Data Below Normal
CUMMINS-3795 low
Aftertreatment Reductant Dosing Abnormal - Severity Low
CUMMINS-3799 low
Aftertreatment DPF Soot Load - Warning (Preventive)
CUMMINS-3800 low
Aftertreatment DPF Status - Service Required Soon
CUMMINS-422 low
Coolant Level - Data Erratic
CUMMINS-428 low
Water In Fuel Sensor Circuit - Voltage Above Normal
CUMMINS-429 low
Water In Fuel Sensor Circuit - Voltage Below Normal