All Cummins Fault Codes
272 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
Cummins fault code 1664 — definition not reliably documented
CUMMINS-1679 critical
Cummins fault code 1679 — definition not reliably documented
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
Cummins fault code 2641 — definition not reliably documented
CUMMINS-2642 critical
Cummins fault code 2642 — definition not reliably documented
CUMMINS-2643 critical
Cummins fault code 2643 — definition not reliably documented
CUMMINS-2648 critical
Cummins fault code 2648 — definition not reliably documented
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-3712 critical
Cummins fault code 3712 — definition not reliably documented
CUMMINS-3797 critical
Cummins fault code 3797 — definition not reliably documented
CUMMINS-415 critical
Oil Pressure Low - Shutdown
CUMMINS-449 critical
Fuel Pressure High - Critical
CUMMINS-3714 serious
Engine Protection Torque Derate - Condition Exists
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
Cummins fault code 1569 — definition not reliably documented
CUMMINS-1665 moderate
Cummins fault code 1665 — definition not reliably documented
CUMMINS-1666 moderate
Cummins fault code 1666 — definition not reliably documented
CUMMINS-1667 moderate
Cummins fault code 1667 — definition not reliably documented
CUMMINS-1668 moderate
Cummins fault code 1668 — definition not reliably documented
CUMMINS-1669 moderate
Aftertreatment 1 DOC Intake Temperature Sensor - Voltage Above Normal
CUMMINS-1671 moderate
Cummins fault code 1671 — definition not reliably documented
CUMMINS-1672 moderate
Cummins fault code 1672 — definition not reliably documented
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
Cummins fault code 1675 — definition not reliably documented
CUMMINS-1676 moderate
Cummins fault code 1676 — definition not reliably documented
CUMMINS-1677 moderate
Cummins fault code 1677 — definition not reliably documented
CUMMINS-1678 moderate
Cummins fault code 1678 — definition not reliably documented
CUMMINS-1681 moderate
Cummins fault code 1681 — definition not reliably documented
CUMMINS-1682 moderate
Cummins fault code 1682 — definition not reliably documented
CUMMINS-1683 moderate
Cummins fault code 1683 — definition not reliably documented
CUMMINS-1684 moderate
Cummins fault code 1684 — definition not reliably documented
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
Cummins fault code 1689 — definition not reliably documented
CUMMINS-1691 moderate
Cummins fault code 1691 — definition not reliably documented
CUMMINS-1692 moderate
Cummins fault code 1692 — definition not reliably documented
CUMMINS-1695 moderate
Sensor Supply #5 Circuit - Voltage Above Normal
CUMMINS-1696 moderate
Sensor Supply #5 Circuit - Voltage Below Normal
CUMMINS-1697 moderate
Cummins fault code 1697 — definition not reliably documented
CUMMINS-1698 moderate
Cummins fault code 1698 — definition not reliably documented
CUMMINS-1699 moderate
Cummins fault code 1699 — definition not reliably documented
CUMMINS-1700 moderate
Cummins fault code 1700 — definition not reliably documented
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
Cummins fault code 2614 — definition not reliably documented
CUMMINS-2615 moderate
Cummins fault code 2615 — definition not reliably documented
CUMMINS-2616 moderate
Cummins fault code 2616 — definition not reliably documented
CUMMINS-2617 moderate
Cummins fault code 2617 — definition not reliably documented
CUMMINS-2618 moderate
Cummins fault code 2618 — definition not reliably documented
CUMMINS-2619 moderate
Cummins fault code 2619 — definition not reliably documented
CUMMINS-2621 moderate
Cummins fault code 2621 — definition not reliably documented
CUMMINS-2622 moderate
Cummins fault code 2622 — definition not reliably documented
CUMMINS-2623 moderate
Cummins fault code 2623 — definition not reliably documented
CUMMINS-2624 moderate
Cummins fault code 2624 — definition not reliably documented
CUMMINS-2625 moderate
Cummins fault code 2625 — definition not reliably documented
CUMMINS-2631 moderate
Cummins fault code 2631 — definition not reliably documented
CUMMINS-2632 moderate
Cummins fault code 2632 — definition not reliably documented
CUMMINS-2633 moderate
Cummins fault code 2633 — definition not reliably documented
CUMMINS-2634 moderate
Cummins fault code 2634 — definition not reliably documented
CUMMINS-2635 moderate
Cummins fault code 2635 — definition not reliably documented
CUMMINS-2636 moderate
Cummins fault code 2636 — definition not reliably documented
CUMMINS-2637 moderate
Cummins fault code 2637 — definition not reliably documented
CUMMINS-2638 moderate
Cummins fault code 2638 — definition not reliably documented
CUMMINS-2639 moderate
Cummins fault code 2639 — definition not reliably documented
CUMMINS-2646 moderate
Cummins fault code 2646 — definition not reliably documented
CUMMINS-2647 moderate
Cummins fault code 2647 — definition not reliably documented
CUMMINS-2652 moderate
Cummins fault code 2652 — definition not reliably documented
CUMMINS-2657 moderate
Cummins fault code 2657 — definition not reliably documented
CUMMINS-2658 moderate
Cummins fault code 2658 — definition not reliably documented
CUMMINS-2659 moderate
Cummins fault code 2659 — definition not reliably documented
CUMMINS-266 moderate
Engine Fuel Temperature High - Critical
CUMMINS-2666 moderate
Cummins fault code 2666 — definition not reliably documented
CUMMINS-2675 moderate
Cummins fault code 2675 — definition not reliably documented
CUMMINS-2676 moderate
Cummins fault code 2676 — definition not reliably documented
CUMMINS-2677 moderate
Cummins fault code 2677 — definition not reliably documented
CUMMINS-2678 moderate
Cummins fault code 2678 — definition not reliably documented
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
Cummins fault code 2745 — definition not reliably documented
CUMMINS-2746 moderate
Cummins fault code 2746 — definition not reliably documented
CUMMINS-2747 moderate
Cummins fault code 2747 — definition not reliably documented
CUMMINS-2748 moderate
Cummins fault code 2748 — definition not reliably documented
CUMMINS-2749 moderate
Cummins fault code 2749 — definition not reliably documented
CUMMINS-2751 moderate
Cummins fault code 2751 — definition not reliably documented
CUMMINS-2752 moderate
Cummins fault code 2752 — definition not reliably documented
CUMMINS-2762 moderate
Cummins fault code 2762 — definition not reliably documented
CUMMINS-2763 moderate
Cummins fault code 2763 — definition not reliably documented
CUMMINS-2764 moderate
Cummins fault code 2764 — definition not reliably documented
CUMMINS-2771 moderate
Aftertreatment 1 Outlet NOx Sensor - Abnormal Update Rate
CUMMINS-2772 moderate
Cummins fault code 2772 — definition not reliably documented
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
Cummins fault code 2791 — definition not reliably documented
CUMMINS-2792 moderate
Cummins fault code 2792 — definition not reliably documented
CUMMINS-2793 moderate
Cummins fault code 2793 — definition not reliably documented
CUMMINS-2794 moderate
Cummins fault code 2794 — definition not reliably documented
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
Cummins fault code 2798 — definition not reliably documented
CUMMINS-2799 moderate
Cummins fault code 2799 — definition not reliably documented
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-3713 moderate
Cummins Fault Code 3713 - ECM-Specific (Confirm SPN/FMI with INSITE)
CUMMINS-3715 moderate
Cummins Fault Code 3715 - ECM-Specific (Confirm SPN/FMI with INSITE)
CUMMINS-3716 moderate
Cummins Fault Code 3716 - ECM-Specific (Confirm SPN/FMI with INSITE)
CUMMINS-3717 moderate
Cummins Fault Code 3717 - ECM-Specific (Confirm SPN/FMI with INSITE)
CUMMINS-3718 moderate
Cummins Fault Code 3718 - ECM-Specific (Confirm SPN/FMI with INSITE)
CUMMINS-3719 moderate
Cummins Fault Code 3719 - ECM-Specific (Confirm SPN/FMI with INSITE)
CUMMINS-3721 moderate
Cummins fault code 3721 — definition not reliably documented
CUMMINS-3722 moderate
Cummins fault code 3722 — definition not reliably documented
CUMMINS-3723 moderate
Cummins fault code 3723 — definition not reliably documented
CUMMINS-3724 moderate
Cummins fault code 3724 — definition not reliably documented
CUMMINS-3725 moderate
Cummins fault code 3725 — definition not reliably documented
CUMMINS-3726 moderate
Cummins fault code 3726 — definition not reliably documented
CUMMINS-3727 moderate
Cummins fault code 3727 — definition not reliably documented
CUMMINS-3728 moderate
Cummins fault code 3728 — definition not reliably documented
CUMMINS-3729 moderate
Cummins fault code 3729 — definition not reliably documented
CUMMINS-3731 moderate
Cummins fault code 3731 — definition not reliably documented
CUMMINS-3741 moderate
Cummins fault code 3741 — definition not reliably documented
CUMMINS-3742 moderate
Cummins fault code 3742 — definition not reliably documented
CUMMINS-3745 moderate
Aftertreatment 1 Diesel Oxidation Catalyst - Not Responding Properly
CUMMINS-3746 moderate
Cummins fault code 3746 — definition not reliably documented
CUMMINS-3752 moderate
Cummins fault code 3752 — definition not reliably documented
CUMMINS-3753 moderate
Cummins fault code 3753 — definition not reliably documented
CUMMINS-3754 moderate
Cummins fault code 3754 — definition not reliably documented
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
Cummins fault code 3764 — definition not reliably documented
CUMMINS-3765 moderate
Cummins fault code 3765 — definition not reliably documented
CUMMINS-3766 moderate
Cummins fault code 3766 — definition not reliably documented
CUMMINS-3768 moderate
Aftertreatment DOC Outlet Temperature Rate Abnormal
CUMMINS-3789 moderate
Cummins fault code 3789 — definition not reliably documented
CUMMINS-3791 moderate
Cummins fault code 3791 — definition not reliably documented
CUMMINS-3793 moderate
Cummins fault code 3793 — definition not reliably documented
CUMMINS-3794 moderate
Cummins fault code 3794 — definition not reliably documented
CUMMINS-3796 moderate
Cummins fault code 3796 — definition not reliably documented
CUMMINS-3798 moderate
Cummins fault code 3798 — definition not reliably documented
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
Cummins fault code 1693 — definition not reliably documented
CUMMINS-1694 low
Cummins fault code 1694 — definition not reliably documented
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
Cummins fault code 2661 — definition not reliably documented
CUMMINS-2662 low
Cummins fault code 2662 — definition not reliably documented
CUMMINS-2663 low
Cummins fault code 2663 — definition not reliably documented
CUMMINS-2664 low
Cummins fault code 2664 — definition not reliably documented
CUMMINS-2667 low
Cummins fault code 2667 — definition not reliably documented
CUMMINS-2668 low
Cummins fault code 2668 — definition not reliably documented
CUMMINS-2671 low
Cummins fault code 2671 — definition not reliably documented
CUMMINS-2673 low
Cummins fault code 2673 — definition not reliably documented
CUMMINS-2753 low
Cummins fault code 2753 — definition not reliably documented
CUMMINS-2754 low
Cummins fault code 2754 — definition not reliably documented
CUMMINS-2765 low
Cummins fault code 2765 — definition not reliably documented
CUMMINS-2800 low
Cummins fault code 2800 — definition not reliably documented
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-3748 low
Cummins fault code 3748 — definition not reliably documented
CUMMINS-3749 low
Cummins fault code 3749 — definition not reliably documented
CUMMINS-3758 low
Cummins fault code 3758 — definition not reliably documented
CUMMINS-3759 low
Cummins fault code 3759 — definition not reliably documented
CUMMINS-3776 low
Cummins fault code 3776 — definition not reliably documented
CUMMINS-3779 low
Cummins fault code 3779 — definition not reliably documented
CUMMINS-3781 low
Cummins fault code 3781 — definition not reliably documented
CUMMINS-3782 low
Cummins fault code 3782 — definition not reliably documented
CUMMINS-3784 low
Cummins fault code 3784 — definition not reliably documented
CUMMINS-3785 low
Cummins fault code 3785 — definition not reliably documented
CUMMINS-3786 low
Cummins fault code 3786 — definition not reliably documented
CUMMINS-3795 low
Cummins fault code 3795 — definition not reliably documented
CUMMINS-3799 low
Cummins fault code 3799 — definition not reliably documented
CUMMINS-3800 low
Cummins fault code 3800 — definition not reliably documented
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