Caterpillar Fault Code List: Understanding and Troubleshooting Common Codes

caterpillar fault code list

Introduction

In the world of heavy equipment and machinery, Caterpillar is a renowned brand known for its reliability and performance. However, like any complex system, Caterpillar equipment can encounter issues that require troubleshooting. Understanding Caterpillar fault codes is crucial for identifying problems and ensuring prompt resolution. This article will provide an in-depth overview of Caterpillar fault code list, their importance, common codes, diagnostic tools, troubleshooting methods, and preventive maintenance practices. So, let’s dive into the world of Caterpillar fault code list and equip ourselves with the knowledge needed to keep our machinery running smoothly.


*Please press the following to search for your fault code: CTRL+ F

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
N/A 486-3 Engine Fan Reverse Switch : Voltage Above Normal
N/A 486-4 Engine Fan Reverse Switch : Voltage Below Normal
  N/A 544-2 Engine Cooling Fan Speed Sensor : Erratic, Intermittent, or Incorrect
  N/A 544-8 Engine Cooling Fan Speed Sensor : Abnormal Frequency, Pulse Width, or Period
N/A 1076-5 Engine Cooling Fan Bypass Solenoid : Current Below Normal
N/A 1076-6 Engine Cooling Fan Bypass Solenoid : Current Above Normal
N/A 1937-2 Engine Coolant Flow Switch : Erratic, Intermittent, or Incorrect
29-2 Accelerator Pedal Position 2 : Erratic, Intermittent, or Incorrect 774-2 Secondary Throttle Position Sensor: Erratic, Intermittent, or Incorrect
29-3 Accelerator Pedal Position 2 : Voltage Above Normal 774-3 Secondary Throttle Position Sensor: Voltage Above Normal
29-4 Accelerator Pedal Position 2 : Voltage Below Normal 774-4 Secondary Throttle Position Sensor: Voltage Below Normal
29-8 Accelerator Pedal Position 2 : Abnormal Frequency, Pulse Width, or Period 774-8 Secondary Throttle Position Sensor: Abnormal Frequency, Pulse Width, or Period
91-2 Accelerator Pedal Position 1 : Erratic, Intermittent, or Incorrect 91-2 Throttle Position Sensor : Erratic, Intermittent, or Incorrect
91-3 Accelerator Pedal Position 1 : Voltage Above Normal 91-3 Throttle Position Sensor : Voltage Above Normal
91-4 Accelerator Pedal Position 1 : Voltage Below Normal 91-4 Throttle Position Sensor : Voltage Below Normal
91-8 Accelerator Pedal Position 1 : Abnormal Frequency, Pulse Width, or Period 91-8 Throttle Position Sensor : Abnormal Frequency, Pulse Width, or Period
97-3 Water In Fuel Indicator : Voltage Above Normal 3547-3 Water in Fuel System Switch : Voltage Above Normal
100-3 Engine Oil Pressure : Voltage Above Normal 100-3 Engine Oil Pressure Sensor : Voltage Above Normal
100-4 Engine Oil Pressure : Voltage Below Normal 100-4 Engine Oil Pressure Sensor : Voltage Below Normal
101-3 Engine Crankcase Pressure : Voltage Above Normal 101-3 Crankcase Air Pressure Sensor : Voltage Above Normal
101-4 Engine Crankcase Pressure : Voltage Below Normal 101-4 Crankcase Air Pressure Sensor : Voltage Below Normal
101-13 Engine Crankcase Pressure : Calibration Required 101-13 Crankcase Air Pressure Sensor : Calibration Required
108-3 Barometric Pressure : Voltage Above Normal 3528-3 Atmospheric Pressure Sensor : Voltage Above Normal
108-4 Barometric Pressure : Voltage Below Normal 3528-4 Atmospheric Pressure Sensor : Voltage Below Normal
CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
108-21 Barometric Pressure : Calibration Required 3528 -21 Atmospheric Pressure Sensor : Calibration Required
109-3 Engine Coolant Pressure : Voltage Above Normal 2302-3 Engine Coolant Pump Outlet Pressure Sensor : Voltage Above Normal
109-4 Engine Coolant Pressure : Voltage Below Normal 2302-4 Engine Coolant Pump Outlet Pressure Sensor : Voltage Below Normal
110-3 Engine Coolant Temperature : Voltage Above Normal 110-3 Engine Coolant Temperature Sensor : Voltage Above Normal
110-4 Engine Coolant Temperature : Voltage Below Normal 110-4 Engine Coolant Temperature Sensor : Voltage Below Normal
157-3 Engine Injector Metering Rail #1 Pressure : Voltage Above Normal 1797-3 Fuel Rail Pressure Sensor : Voltage Above Normal
157-4 Engine Injector Metering Rail #1 Pressure : Voltage Below Normal 1797-4 Fuel Rail Pressure Sensor : Voltage Below Normal
168-3 Battery Potential / Power Input 1 : Voltage Above Normal 168-3 Electrical System Voltage : Voltage Above Normal
168-4 Battery Potential / Power Input 1 : Voltage Below Normal 168-4 Electrical System Voltage : Voltage Below Normal
171-3 Ambient Air Temperature : Voltage Above Normal 171-3 Ambient Air Temperature Sensor : Voltage Above Normal
171-4 Ambient Air Temperature : Voltage Below Normal 171-4 Ambient Air Temperature Sensor : Voltage Below Normal
172-3 Engine Air Inlet Temperature : Voltage Above Normal 2526-3 Air Inlet Temperature Sensor : Voltage Above Normal
172-4 Engine Air Inlet Temperature : Voltage Below Normal 2526-4 Air Inlet Temperature Sensor : Voltage Below Normal
174-3 Engine Fuel Temperature 1 : Voltage Above Normal 174-3 Fuel Temperature Sensor : Voltage Above Normal
174-4 Engine Fuel Temperature 1 : Voltage Below Normal 174-4 Fuel Temperature Sensor : Voltage Below Normal
175-3 Engine Oil Temperature 1 : Voltage Above Normal 175-3 Engine Oil Temperature 1 : Voltage Above Normal
175-4 Engine Oil Temperature 1 : Voltage Below Normal 175-4 Engine Oil Temperature 1 : Voltage Below Normal
190-8 Engine Speed : Abnormal Frequency, Pulse Width, or Period 190-8 Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period
411-3 Engine Exhaust Gas Recirculation Differential Pressure : Voltage Above Normal 3387-3 EGR Differential Pressure Sensor : Voltage Above Normal
411-4 Engine Exhaust Gas Recirculation Differential Pressure : Voltage Below Normal 3387-4 EGR Differential Pressure Sensor : Voltage Below Normal
411-13 Engine Exhaust Gas Recirculation Differential Pressure : Calibration Required 3387-13 EGR Differential Pressure Sensor : Calibration Required
CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
412-3 Engine Exhaust Gas Recirculation Temperature : Voltage Above Normal 3386-3 EGR Temperature Sensor : Voltage Above Normal
412-4 Engine Exhaust Gas Recirculation Temperature : Voltage Below Normal 3386-4 EGR Temperature Sensor : Voltage Below Normal
441-3 Auxiliary Temperature #1 : Voltage Above Normal 1836-3 Auxiliary Temperature Sensor : Voltage Above Normal
441-4 Auxiliary Temperature #1 : Voltage Below Normal 1836-4 Auxiliary Temperature Sensor : Voltage Below Normal
442-3 Auxiliary Temperature #2 : Voltage Above Normal 3683-3 Auxiliary Temperature Sensor #2 : Voltage Above Normal
442-4 Auxiliary Temperature #2 : Voltage Below Normal 3683-4 Auxiliary Temperature Sensor #2 : Voltage Below Normal
597-3 Brake Switch : Voltage Above Normal 298-3 Service Brake Pedal Switch : Voltage Above Normal
597-4 Brake Switch : Voltage Below Normal 298-4 Service Brake Pedal Switch : Voltage Below Normal
625-14 Proprietary Data Link : Special Instruction 246-14 Proprietary CAN Data Link: Special Instruction
626-5 Engine Start Enable Device 1 : Current Below Normal 2417-5 Ether Injection Control Solenoid : Current Below Normal
626-6 Engine Start Enable Device 1 : Current Above Normal 2417-6 Ether Injection Control Solenoid : Current Above Normal
630-2 Calibration Memory : Erratic, Intermittent, or Incorrect 268-2 Programmed Parameter Fault : Erratic, Intermittent, or Incorrect
631-2 Calibration Module : Erratic, Intermittent, or Incorrect 253-2 Personality Module : Erratic, Intermittent, or Incorrect
637-11 Engine Timing Sensor : Other Failure Mode 261-11 Engine Timing Offset fault
637-13 Engine Timing Sensor : Calibration Required 261-13 Engine Timing Calibration : Calibration Required
639-9 J1939 Network #1 : Abnormal Update Rate 247-9 SAE J1939 Data Link : Abnormal Update Rate
639-14 J1939 Network #1 : Special Instruction 247-14 SAE J1939 Data Link : Special Instruction
651-5 Engine Injector Cylinder #01 : Current Below Normal 1-5 Cylinder #1 Injector : Current Below Normal
651-6 Engine Injector Cylinder #01 : Current Above Normal 1-6 Cylinder #1 Injector : Current Above Normal
652-5 Engine Injector Cylinder #02 : Current Below Normal 2-5 Cylinder #2 Injector : Current Below Normal
652-6 Engine Injector Cylinder #02 : Current Above Normal 2-6 Cylinder #2 Injector : Current Above Normal
653-5 Engine Injector Cylinder #03 : Current Below Normal 3-5 Cylinder #3 Injector : Current Below Normal
653-6 Engine Injector Cylinder #03 : Current Above Normal 3-6 Cylinder #3 Injector : Current Above Normal
CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
654-5 Engine Injector Cylinder #04 : Current Below Normal 4-5 Cylinder #4 Injector : Current Below Normal
654-6 Engine Injector Cylinder #04 : Current Above Normal 4-6 Cylinder #4 Injector : Current Above Normal
655-5 Engine Injector Cylinder #05 : Current Below Normal 5-5 Cylinder #5 Injector : Current Below Normal
655-6 Engine Injector Cylinder #05 : Current Above Normal 5-6 Cylinder #5 Injector : Current Above Normal
656-5 Engine Injector Cylinder #06 : Current Below Normal 6-5 Cylinder #6 Injector : Current Below Normal
656-6 Engine Injector Cylinder #06 : Current Above Normal 6-6 Cylinder #6 Injector : Current Above Normal
677-5 Engine Starter Motor Relay : Current Below Normal 444-5 Starter Motor Relay : Current Below Normal
677-6 Engine Starter Motor Relay : Current Above Normal 444-6 Starter Motor Relay : Current Above Normal
678-3 ECU 8 Volts DC Supply : Voltage Above Normal 41-3 8 Volt DC Supply : Voltage Above Normal
678-4 ECU 8 Volts DC Supply : Voltage Below Normal 41-4 8 Volt DC Supply : Voltage Below Normal
723-8 Engine Speed Sensor #2 : Abnormal Frequency, Pulse Width, or Period 342-8 Secondary Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period
1072-5 Engine (Compression) Brake Output #1 : Current Below Normal 2533-5 Compression Brake Low/High Solenoid #1 : Current Below Normal
1072-6 Engine (Compression) Brake Output #1 : Current Above Normal 2533-6 Compression Brake Low/High Solenoid #1 : Current Above Normal
1073-5 Engine (Compression) Brake Output #2 : Current Below Normal 2535-5 Compression Brake Medium/High Solenoid #1 : Current Below Normal
1073-6 Engine (Compression) Brake Output #2 : Current Above Normal 2535-6 Compression Brake Medium/High Solenoid #1 : Current Above Normal
1074-5 Engine (Exhaust) Brake Output : Current Below Normal 2232-5 Engine Retarder Solenoid : Current Below Normal
1074-6 Engine (Exhaust) Brake Output : Current Above Normal 2232-6 Engine Retarder Solenoid : Current Above Normal
1176-3 Engine Turbocharger 1 Compressor Inlet Pressure : Voltage Above Normal 2738-3 Turbocharger #1 Compressor Inlet Pressure Sensor : Voltage Above Normal
1176-4 Engine Turbocharger 1 Compressor Inlet Pressure : Voltage Below Normal 2738-4 Turbocharger #1 Compressor Inlet Pressure Sensor : Voltage Below Normal
1231-9 J1939 Network #2 : Abnormal Update Rate 2348-9 SAE J1939 Data Link #2 : Abnormal Update Rate
1231-14 J1939 Network #2 : Special Instruction 2348-14 SAE J1939 Data Link #2 : Special Instruction
CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
1235-9 J1939 Network #3 : Abnormal Update Rate 5856-9 SAE J1939 Data Link #3:Abnormal Update Rate
1235-14 J1939 Network #3 : Special Instruction 5856-14 SAE J1939 Data Link #3: Special Instruction
1347-5 Engine Fuel Pump Pressurizing Assembly #1 : Current Below Normal 1779-5 Fuel Rail #1 Pressure Valve Solenoid : Current Below Normal
1347-6 Engine Fuel Pump Pressurizing Assembly #1 : Current Above Normal 1779-6 Fuel Rail #1 Pressure Valve Solenoid : Current Above Normal
1348-5 Engine Fuel Pump Pressurizing Assembly #2 : Current Below Normal 1780-5 Fuel Rail #2 Pressure Valve Solenoid : Current Below Normal
1348-6 Engine Fuel Pump Pressurizing Assembly #2 : Current Above Normal 1780-6 Fuel Rail #2 Pressure Valve Solenoid : Current Above Normal
1385-3 Auxiliary Temperature #1 : Voltage Above Normal 1836-3 Auxiliary Temperature Sensor : Voltage Above Normal
1385-4 Auxiliary Temperature #1 : Voltage Below Normal 1836-4 Auxiliary Temperature Sensor : Voltage Below Normal
1387-3 Auxiliary Pressure #1 : Voltage Above Normal 1835-3 Auxiliary Pressure Sensor : Voltage Above Normal
1387-4 Auxiliary Pressure #1 : Voltage Below Normal 1835-4 Auxiliary Pressure Sensor : Voltage Below Normal
1761-3 Aftertreatment 1 Diesel Exhaust Fluid Tank Level : Voltage Above Normal 3130-3 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Level Sensor : Voltage Above Normal
1761-4 Aftertreatment 1 Diesel Exhaust Fluid Tank Level : Voltage Below Normal 3130-4 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Level Sensor : Voltage Below Normal
2630-3 Engine Charge Air Cooler Outlet Temperature : Voltage Above Normal 3372-3 Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Above Normal
2630-4 Engine Charge Air Cooler Outlet Temperature : Voltage Below Normal 3372-4 Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Below Normal
2791-5 Engine Exhaust Gas Recirculation (EGR) Valve Control : Current Below Normal 3405-5 EGR Valve Control : Current Below Normal
2791-6 Engine Exhaust Gas Recirculation (EGR) Valve Control : Current Above Normal 3405-6 EGR Valve Control : Current Above Normal
2813-5 Engine Air Shutoff Command Status : Current Below Normal 3239-5 Air Shutoff Relay : Current Below Normal
2813-6 Engine Air Shutoff Command Status : Current Above Normal 3239-6 Air Shutoff Relay : Current Above Normal
2853-9 Communications Connection : Abnormal Update Rate   N/A
2948-3 Engine Intake Valve Actuation System Oil Pressure : Voltage Above Normal 1924-3 Intake Valve Actuation System Oil Pressure Sensor : Voltage Above Normal
2948-4 Engine Intake Valve Actuation System Oil Pressure : Voltage Below Normal 1924-4 Intake Valve Actuation System Oil Pressure Sensor : Voltage Below Normal

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
2949-5 Engine Intake Valve Actuation System Oil Pressure Control Valve : Current Below Normal 1922-5 Intake Valve Actuation System Oil Pressure Solenoid : Current Below Normal
2949-6 Engine Intake Valve Actuation System Oil Pressure Control Valve : Current Above Normal 1922-6 Intake Valve Actuation System Oil Pressure Solenoid : Current Above Normal
2949-7 Engine Intake Valve Actuation System Oil Pressure Control Valve : Not Responding Properly 1922-7 Intake Valve Actuation System Oil Pressure Solenoid : Not Responding Properly
2950-5 Engine Intake Valve Actuator #1 : Current Below Normal 1901-5 Intake Valve Actuator #1 : Current Below Normal
2950-6 Engine Intake Valve Actuator #1 : Current Above Normal 1901-6 Intake Valve Actuator #1 : Current Above Normal
2950-7 Engine Intake Valve Actuator #1 : Not Responding Properly 1901-7 Intake Valve Actuator #1 : Not Responding Properly
2951-5 Engine Intake Valve Actuator #2 : Current Below Normal 1902-5 Intake Valve Actuator #2 : Current Below Normal
2951-6 Engine Intake Valve Actuator #2 : Current Above Normal 1902-6 Intake Valve Actuator #2 : Current Above Normal
2951-7 Engine Intake Valve Actuator #2 : Not Responding Properly 1902-7 Intake Valve Actuator #2 : Not Responding Properly
2952-5 Engine Intake Valve Actuator #3 : Current Below Normal 1903-5 Intake Valve Actuator #3 : Current Below Normal
2952-6 Engine Intake Valve Actuator #3 : Current Above Normal 1903-6 Intake Valve Actuator #3 : Current Above Normal
2952-7 Engine Intake Valve Actuator #3 : Not Responding Properly 1903-7 Intake Valve Actuator #3 : Not Responding Properly
2953-5 Engine Intake Valve Actuator #4 : Current Below Normal 1904-5 Intake Valve Actuator #4 : Current Below Normal
2953-6 Engine Intake Valve Actuator #4 : Current Above Normal 1904-6 Intake Valve Actuator #4 : Current Above Normal
2953-7 Engine Intake Valve Actuator #4 : Not Responding Properly 1904-7 Intake Valve Actuator #4 : Not Responding Properly
2954-5 Engine Intake Valve Actuator #5 : Current Below Normal 1905-5 Intake Valve Actuator #5 : Current Below Normal
2954-6 Engine Intake Valve Actuator #5 : Current Above Normal 1905-6 Intake Valve Actuator #5 : Current Above Normal
2954-7 Engine Intake Valve Actuator #5 : Not Responding Properly 1905-7 Intake Valve Actuator #5 : Not Responding Properly
2955-5 Engine Intake Valve Actuator #6 : Current Below Normal 1906-5 Intake Valve Actuator #6 : Current Below Normal

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
2955-6 Engine Intake Valve Actuator #6 : Current Above Normal 1906-6 Intake Valve Actuator #6 : Current Above Normal
2955-7 Engine Intake Valve Actuator #6 : Not Responding Properly 1906-7 Intake Valve Actuator #6 : Not Responding Properly
3031-3 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature : Voltage Above Normal 3134-3 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Temperature Sensor : Voltage Above Normal
3031-4 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature : Voltage Below Normal 3134-4 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Temperature Sensor : Voltage Below Normal
3516–2 Aftertreatment #1 DEF Concentration: Erratic, Intermittent, or Incorrect 3100–2 Aftertreatment #1 DEF Concentration: Erratic, Intermittent, or Incorrect
3216-11 Aftertreatment #1 Intake NOx : Other Failure Mode 3655-11 Aftertreatment #1 Intake NOx Level Sensor : Other Failure Mode
3216-12 Aftertreatment #1 Intake NOx : Failure 3655-12 Aftertreatment #1 Intake NOx Level Sensor : Failure
3226-11 Aftertreatment #1 Outlet NOx : Other Failure Mode 3609-11 Aftertreatment #1 Outlet #1 NOx Level Sensor : Other Failure Mode
3226-12 Aftertreatment #1 Outlet NOx : Failure 3609-12 Aftertreatment #1 Outlet #1 NOx Level Sensor : Failure
3241-3 Exhaust Gas Temperature 1 : Voltage Above Normal 3485-3 Aftertreatment #1 Exhaust Gas Temperature #1 Sensor : Voltage Above Normal
3241-4 Exhaust Gas Temperature 1 : Voltage Below Normal 3485-4 Aftertreatment #1 Exhaust Gas Temperature #1 Sensor : Voltage Below Normal
3242-3 Particulate Trap Intake Gas Temperature : Voltage Above Normal 2452-3 DPF #1 Intake Temperature Sensor : Voltage Above Normal
3242-4 Particulate Trap Intake Gas Temperature : Voltage Below Normal 2452-4 DPF #1 Intake Temperature Sensor : Voltage Below Normal
3251-2 Particulate Trap Differential Pressure : Erratic, Intermittent, or Incorrect 2458-2 DPF #1 Differential Pressure Sensor : Erratic, Intermittent, or Incorrect
3251-3 Particulate Trap Differential Pressure : Voltage Above Normal 2458-3 DPF #1 Differential Pressure Sensor : Voltage Above Normal
3251-4 Particulate Trap Differential Pressure : Voltage Below Normal 2458-4 DPF #1 Differential Pressure Sensor : Voltage Below Normal
3251-13 Particulate Trap Differential Pressure : Out of Calibration 2458-13 DPF #1 Differential Pressure Sensor : Out of Calibration
3358-3 Engine Exhaust Gas Recirculation Inlet Pressure : Voltage Above Normal 3385-3 EGR Intake Pressure Sensor : Voltage Above Normal
3358-4 Engine Exhaust Gas Recirculation Inlet Pressure : Voltage Below Normal 3385-4 EGR Intake Pressure Sensor : Voltage Below Normal
3358-13 Engine Exhaust Gas Recirculation Inlet Pressure : Calibration Required 3385-13 EGR Intake Pressure Sensor : Calibration Required

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3358-21 Engine Exhaust Gas Recirculation Inlet Pressure : Data Drifted Low 3385-21 EGR Intake Pressure Sensor : Data Drifted Low
3360-3 Aftertreatment 1 Diesel Exhaust Fluid Controller : Voltage Above Normal 3820-3 Aftertreatment #1 Diesel Exhaust Fluid Controller : Voltage Above Normal
3360-4 Aftertreatment 1 Diesel Exhaust Fluid Controller : Voltage Below Normal 3820-4 Aftertreatment #1 Diesel Exhaust Fluid Controller : Voltage Below Normal
3360-9 Aftertreatment #1 DEF Controller : Abnormal Update Rate 3820-9 Aftertreatment #1 Diesel Exhaust Fluid Controller : Abnormal Update Rate
3360-12 Aftertreatment 1 Diesel Exhaust Fluid Controller : Failure 3820-12 Aftertreatment #1 Diesel Exhaust Fluid Controller : Failure
3361-5 Catalyst Dosing Unit : Current Below Normal 3821-5 Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Current Below Normal
3361-6 Catalyst Dosing Unit : Current Above Normal 3821-6 Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Current Above Normal
3361-7 Catalyst Dosing Unit : Not Responding Properly 3821-7 Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Not Responding Properly
3361-11 Catalyst Dosing Unit : Other Failure Mode 3821-11 Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Other Failure Mode
3361-12 Aftertreatment #1 DEF Dosing Unit : Failure 3821-12 Aftertreatment #1 DEF Dosing Valve Actuator #1 : Failure
3361-14 Catalyst Dosing Unit : Special Instruction 3821-14 Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Special Instruction
3363-5 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater : Current Below Normal 3126-5 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Heater Coolant Diverter Solenoid : Current Below Normal
3363-6 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater : Current Above Normal 3126-6 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Heater Coolant Diverter Solenoid : Current Above Normal
3363-7 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater : Not Responding Properly 3126-7 Aftertreatment #1 SCR Catalyst Reagent Tank #1 Heater Coolant Diverter Solenoid : Not Responding Properly
3479-5 Aftertreatment #1 Fuel Pressure Control : Current Below Normal 2461-5 ARD Fuel Pressure #1 Control : Current Below Normal
3479-6 Aftertreatment #1 Fuel Pressure Control : Current Above Normal 2461-6 ARD Fuel Pressure #1 Control : Current Above Normal
3480-3 Aftertreatment #1 Fuel Pressure #1 : Voltage Above Normal 2460-3 ARD Fuel Pressure #1 Sensor : Voltage Above Normal
3480-4 Aftertreatment #1 Fuel Pressure #1 : Voltage Below Normal 2460-4 ARD Fuel Pressure #1 Sensor : Voltage Below Normal
3484-5 Aftertreatment #1 Ignition : Current Below Normal 2465-5 Aftertreatment #1 Ignition Transformer Primary : Current Below Normal

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3484-6 Aftertreatment #1 Ignition : Current Above Normal 2465-6 Aftertreatment #1 Ignition Transformer Primary : Current Above Normal
3487-5 Aftertreatment #1 Air Pressure Control : Current Below Normal 2489-5 ARD Air Pressure Control Actuator : Current Below Normal
3487-6 Aftertreatment #1 Air Pressure Control : Current Above Normal 2489-6 ARD Air Pressure Control Actuator : Current Above Normal
3487-13 Aftertreatment #1 Air Pressure Control : Out of Calibration 2489-13 ARD Air Pressure Control Actuator : Out of Calibration
3488-3 Aftertreatment #1 Air Pressure Actuator Position : Voltage Above Normal 2490-3 ARD Air Pressure Control Actuator Position Sensor : Voltage Above Normal
3488-4 Aftertreatment #1 Air Pressure Actuator Position : Voltage Below Normal 2490-4 ARD Air Pressure Control Actuator Position Sensor : Voltage Below Normal
3509-3 Sensor Supply Voltage 1 : Voltage Above Normal 262-3 5 Volt Sensor DC Power Supply : Voltage Above Normal
3509-4 Sensor Supply Voltage 1 : Voltage Below Normal 262-4 5 Volt Sensor DC Power Supply : Voltage Below Normal
3510-3 Sensor Supply Voltage 2 : Voltage Above Normal 2131-3 5 Volt Sensor DC Power Supply #2 : Voltage Above Normal
3510-4 Sensor Supply Voltage 2 : Voltage Below Normal 2131-4 5 Volt Sensor DC Power Supply #2 : Voltage Below Normal
3511-11 Sensor Supply Voltage 3 : Other Failure Mode 3482-11 Sensor Supply #3 : Other Failure Mode
3516-12 Catalyst Reagent Concentration : Failure 3100-12 Aftertreatment #1 SCR Catalyst Tank Reagent Quality Sensor : Failure
3563-3 Engine Intake Manifold #1 Absolute Pressure : Voltage Above Normal 1785-3 Intake Manifold Pressure Sensor : Voltage Above Normal
3563-4 Engine Intake Manifold #1 Absolute Pressure : Voltage Below Normal 1785-4 Intake Manifold Pressure Sensor : Voltage Below Normal
3563-13 Engine Intake Manifold #1 Absolute Pressure : Calibration Required 1785-13 Intake Manifold Pressure Sensor : Calibration Required
3563-21 Engine Intake Manifold #1 Absolute Pressure : Data Drifted Low 1785-21 Intake Manifold Pressure Sensor : Data Drifted Low
3609-3 DPF #1 Intake Pressure : Voltage Above Normal 3464-3 DPF #1 Intake Pressure Sensor : Voltage Above Normal
3609-4 DPF #1 Intake Pressure : Voltage Below Normal 3464-4 DPF #1 Intake Pressure Sensor : Voltage Below Normal
3609-13 DPF #1 Intake Pressure : Calibration Required 3464-13 DPF #1 Intake Pressure Sensor : Calibration Required
3609-21 DPF #1 Intake Pressure : Data Drifted Low 3464-21 DPF #1 Intake Pressure Sensor : Data Drifted Low
3659-5 Engine Injector Cylinder #1 Actuator #2 : Current Below Normal 2602-5 Cylinder #1 Injector Actuator #2 : Current Below Normal
3659-6 Engine Injector Cylinder #1 Actuator #2 : Current Above Normal 2602-6 Cylinder #1 Injector Actuator #2 : Current Above Normal

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3660-5 Engine Injector Cylinder #2 Actuator #2 : Current Below Normal 2604-5 Cylinder #2 Injector Actuator #2 : Current Below Normal
3660-6 Engine Injector Cylinder #2 Actuator #2 : Current Above Normal 2604-6 Cylinder #2 Injector Actuator #2 : Current Above Normal
3661-5 Engine Injector Cylinder #3 Actuator #2 : Current Below Normal 2606-5 Cylinder #3 Injector Actuator #2 : Current Below Normal
3661-6 Engine Injector Cylinder #3 Actuator #2 : Current Above Normal 2606-6 Cylinder #3 Injector Actuator #2 : Current Above Normal
3662-5 Engine Injector Cylinder #4 Actuator #2 : Current Below Normal 2608-5 Cylinder #4 Injector Actuator #2 : Current Below Normal
3662-6 Engine Injector Cylinder #4 Actuator #2 : Current Above Normal 2608-6 Cylinder #4 Injector Actuator #2 : Current Above Normal
3663-5 Engine Injector Cylinder #5 Actuator #2 : Current Below Normal 2610-5 Cylinder #5 Injector Actuator #2 : Current Below Normal
3663-6 Engine Injector Cylinder #5 Actuator #2 : Current Above Normal 2610-6 Cylinder #5 Injector Actuator #2 : Current Above Normal
3664-5 Engine Injector Cylinder #6 Actuator #2 : Current Below Normal 2612-5 Cylinder #6 Injector Actuator #2 : Current Below Normal
3664-6 Engine Injector Cylinder #6 Actuator #2 : Current Above Normal 2612-6 Cylinder #6 Injector Actuator #2 : Current Above Normal
3695-2 Particulate Trap Regeneration Inhibit Switch : Erratic, Intermittent, or Incorrect 3184-2 DPF Regeneration Inhibit Switch : Erratic, Intermittent, or Incorrect
3696-2 Particulate Trap Regeneration Force Switch : Erratic, Intermittent, or Incorrect 3183-2 DPF Regeneration Force Switch : Erratic, Intermittent, or Incorrect
3697-5 Particulate Trap Lamp Command : Current Below Normal 1090-5 N/A
3697-6 Particulate Trap Lamp Command : Current Above Normal 1090-6 N/A
3698-5 Exhaust System High Temperature Lamp Command : Current Below Normal 1091-5 N/A
3698-6 Exhaust System High Temperature Lamp Command : Current Above Normal 1091-6 N/A
3837-3 Aftertreatment 1 Secondary Air Pressure : Voltage Above Normal 3493-3 Aftertreatment #1 Secondary Air Pressure Sensor : Voltage Above Normal
3837-4 Aftertreatment 1 Secondary Air Pressure : Voltage Below Normal 3493-4 Aftertreatment #1 Secondary Air Pressure Sensor : Voltage Below Normal
3837-13 Aftertreatment 1 Secondary Air Pressure : Calibration Required 3493-13 Aftertreatment #1 Secondary Air Pressure Sensor : Calibration Required

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3837-21 Aftertreatment 1 Secondary Air Pressure : Data Drifted Low 3493-21 Aftertreatment #1 Secondary Air Pressure Sensor : Data Drifted Low
4077-3 Aftertreatment #1 Fuel Pressure #2 : Voltage Above Normal 2497-3 ARD Fuel Pressure #2 Sensor : Voltage Above Normal
4077-4 Aftertreatment #1 Fuel Pressure #2 : Voltage Below Normal 2497-4 ARD Fuel Pressure #2 Sensor : Voltage Below Normal
4212-5 Fan Drive Bypass Command Status : Current Below Normal 291-5 Engine Cooling Fan Solenoid : Current Below Normal
4212-6 Fan Drive Bypass Command Status : Current Above Normal 291-6 Engine Cooling Fan Solenoid : Current Above Normal
4212-13 Fan Drive Bypass Command Status : Out of Calibration 1551-13 Engine Demand Fan System : Out of Calibration
4214-5 Engine Fan Reverse Actuator : Current Below Normal 485-5 Engine Fan Reversing Solenoid : Current Below Normal
4214-6 Engine Fan Reverse Actuator : Current Above Normal 485-6 Engine Fan Reversing Solenoid : Current Above Normal
4215-3 Ground-Level Shutdown Activated : Voltage Above Normal 267-3 Remote Shutdown Input : Voltage Above Normal
4215-4 Ground-Level Shutdown Activated : Voltage Below Normal 267-4 Remote Shutdown Input : Voltage Below Normal
4265-5 Aftertreatment #1 Transformer Secondary Output : Current Below Normal 3180-5 Aftertreatment #1 Ignition Transformer Secondary : Current Below Normal
4301-3 Aftertreatment #1 Fuel Injector #1 Heater Control : Voltage Above Normal 3182-3 Aftertreatment #1 Fuel Injector #1 Heater : Voltage Above Normal
4301-4 Aftertreatment #1 Fuel Injector #1 Heater Control : Voltage Below Normal 3182-4 Aftertreatment #1 Fuel Injector #1 Heater : Voltage Below Normal
4301-5 Aftertreatment #1 Fuel Injector #1 Heater Control : Current Below Normal 3182-5 Aftertreatment #1 Fuel Injector #1 Heater : Current Below Normal
4301-6 Aftertreatment #1 Fuel Injector #1 Heater Control : Current Above Normal 3182-6 Aftertreatment #1 Fuel Injector #1 Heater : Current Above Normal
4334-3 Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Pressure : Voltage Above Normal 3090-3 Aftertreatment #1 SCR Dosing Reagent Pressure Sensor : Voltage Above Normal
4334-4 Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Pressure : Voltage Below Normal 3090-4 Aftertreatment #1 SCR Dosing Reagent Pressure Sensor : Voltage Below Normal
4334-7 Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Pressure : Not Responding Properly 3090-7 Aftertreatment #1 SCR Dosing Reagent Pressure Sensor : Not Responding Properly
4337-8 Aftertreatment 1 Diesel Exhaust Fluid Dosing Temperature : Abnormal Frequency, Pulse Width, or Period 3096-8 Aftertreatment #1 SCR Dosing Reagent Temperature #1 Sensor : Abnormal Frequency, Pulse Width, or Period

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
4354-5 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 : Current Below Normal 3110-5 Aftertreatment #1 SCR Catalyst Reagent Line Heater #1 : Current Below Normal
4354-6 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 : Current Above Normal 3110-6 Aftertreatment #1 SCR Catalyst Reagent Line Heater #1 : Current Above Normal
4355-5 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 : Current Below Normal 3111-5 Aftertreatment #1 SCR Catalyst Reagent Line Heater #2 : Current Below Normal
4355-6 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 : Current Above Normal 3111-6 Aftertreatment #1 SCR Catalyst Reagent Line Heater #2 : Current Above Normal
4356-5 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 : Current Below Normal 3112-5 Aftertreatment #1 SCR Catalyst Reagent Line Heater #3 : Current Below Normal
4356-6 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3: Current Above Normal 3112-6 Aftertreatment #1 SCR Catalyst Reagent Line Heater #3 : Current Above Normal
4360-3 Aftertreatment #1 SCR Catalyst Intake Gas Temperature : Voltage Above Normal 3105-3 Aftertreatment #1 SCR Catalyst Intake Gas Temperature Sensor : Voltage Above Normal
4360-4 Aftertreatment #1 SCR Catalyst Intake Gas Temperature : Voltage Below Normal 3105-4 Aftertreatment #1 SCR Catalyst Intake Gas Temperature Sensor : Voltage Below Normal
4374-5 Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Speed : Current Below Normal 3118-5 Aftertreatment #1 SCR Catalyst Reagent Pump Motor Speed Sensor : Current Below Normal
4374-6 Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Speed : Current Above Normal 3118-6 Aftertreatment #1 SCR Catalyst Reagent Pump Motor Speed Sensor : Current Above Normal
4374-8 Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Speed : Abnormal Frequency, Pulse Width, or Period 3118-8 Aftertreatment #1 SCR Catalyst Reagent Pump Motor Speed Sensor : Abnormal Frequency, Pulse Width, or Period
4376-5 Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Current Below Normal 3862-5 Aftertreatment #1 Diesel Exhaust Fluid Return Valve Solenoid : Current Below Normal
4376-6 Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Current Above Normal 3862-6 Aftertreatment #1 Diesel Exhaust Fluid Return Valve Solenoid : Current Above Normal
4376-7 Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Not Responding Properly 3862-7 Aftertreatment #1 Diesel Exhaust Fluid Return Valve Solenoid : Not Responding Properly
5276-5 Engine Exhaust Manifold Bank #1 Flow Balance Valve Actuator Control : Current Below Normal 3409-5 Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid : Current Below Normal
5276-6 Engine Exhaust Manifold Bank #1 Flow Balance Valve Actuator Control : Current Above Normal 3409-6 Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid : Current Above Normal
5423-5 Aftertreatment #1 Fuel Pump Relay Control : Current Below Normal 3427-5 Aftertreatment Fuel Pump Relay : Current Below Normal
5423-6 Aftertreatment #1 Fuel Pump Relay Control : Current Above Normal 3427-6 Aftertreatment Fuel Pump Relay : Current Above Normal
5424-5 Aftertreatment #1 Fuel Flow Diverter Valve Control : Current Below Normal 3413-5 ARD Fuel Flow Diverter Actuator : Current Below Normal

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
5424-6 Aftertreatment #1 Fuel Flow Diverter Valve Control : Current Above Normal 3413-6 ARD Fuel Flow Diverter Actuator : Current Above Normal
5425-5 Aftertreatment #1 Fuel Pressure #2 Actuator Control : Current Below Normal 3391-5 ARD Fuel Pressure #2 Control Actuator : Current Below Normal
5425-6 Aftertreatment #1 Fuel Pressure #2 Actuator Control : Current Above Normal 3391-6 ARD Fuel Pressure #2 Control Actuator : Current Above Normal
5491-5 Aftertreatment #1 DEF Line Heater Relay : Current Below Normal 3822-5 Aftertreatment #1 Diesel Exhaust Fluid Line Heater Relay : Current Below Normal
5491-6 Aftertreatment #1 DEF Line Heater Relay : Current Above Normal 3822-6 Aftertreatment #1 Diesel Exhaust Fluid Line Heater Relay : Current Above Normal
5576-2 Aftertreatment #1 Identification : Erratic, Intermittent, or Incorrect 3468-2 Aftertreatment #1 Identification Number Module : Erratic, Intermittent, or Incorrect
5576-8 Aftertreatment #1 Identification : Abnormal Frequency, Pulse Width, or Period 3468-8 Aftertreatment #1 Identification Number Module : Abnormal Frequency, Pulse Width, or Period
5576-14 Aftertreatment #1 Identification : Special Instruction 3468-14 Aftertreatment #1 Identification Number Module : Special Instruction
5577-2 Aftertreatment #2 Identification : Erratic, Intermittent, or Incorrect 3469-2 Aftertreatment #2 Identification Number Module: Erratic, Intermittent, or Incorrect
5577-8 Aftertreatment #2 Identification Number Module: Abnormal Frequency, Pulse Width, or Period 3469-8 Aftertreatment #2 Identification Number Module: Abnormal Frequency, Pulse Width, or Period
5577-14 Aftertreatment #2 Identification : Special Instruction 3469-14 Aftertreatment #2 Identification Number Module: Special Instruction
5578-3 Engine Fuel Delivery Absolute Pressure : Voltage Above Normal 289-3 Fuel Pressure Sensor – Before Fuel Filter : Voltage Above Normal
5578-4 Engine Fuel Delivery Absolute Pressure : Voltage Below Normal 289-4 Fuel Pressure Sensor – Before Fuel Filter : Voltage Below Normal
5578-21 Engine Fuel Delivery Absolute Pressure : Data Drifted Low 289-21 Fuel Pressure Sensor – Before Fuel Filter : Data Drifted Low
5580-3 Engine Filtered Fuel Delivery Absolute Pressure : Voltage Above Normal 460-3 Fuel Pressure Sensor – After Fuel Filter : Voltage Above Normal
5580-4 Engine Filtered Fuel Delivery Absolute Pressure : Voltage Below Normal 460-4 Fuel Pressure Sensor – After Fuel Filter : Voltage Below Normal
5580-21 Engine Filtered Fuel Delivery Absolute Pressure : Data Drifted Low 460-21 Fuel Pressure Sensor – After Fuel Filter : Data Drifted Low
5758-11 Aftertreatment #1 Intake Gas Sensor Power Supply : Other Failure Mode 3621-11 Engine Exhaust NOx Level Sensor Power Supply : Other Failure Mode
5759-11 Aftertreatment #1 Outlet Gas Sensor Power Supply : Other Failure Mode 3619-11 Aftertreatment #1 Outlet #1 NOx Level Sensor Power Supply : Other Failure Mode
5965-5 Aftertreatment 1 Diesel Exhaust Fluid Control Module Relay Control : Current Below Normal 3838-5 Aftertreatment #1 Diesel Exhaust Fluid Dosing Control Module Relay : Current Below Normal

 

CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
5965-6 Aftertreatment 1 Diesel Exhaust Fluid Control Module Relay Control : Current Above Normal 3838-6 Aftertreatment #1 Diesel Exhaust Fluid Dosing Control Module Relay : Current Above Normal
5966-5 Aftertreatment 1 Diesel Exhaust Fluid Control Module Power Supply : Current Below Normal 3965-5 Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #1 : Current Below Normal
5966-6 Aftertreatment 1 Diesel Exhaust Fluid Control Module Power Supply : Current Above Normal 3965-6 Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #1 : Current Above Normal
6309-6 Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #2 : Current Above Normal 3966-6 Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #2 : Current Above Normal

 


Understanding Caterpillar Fault Codes

Caterpillar fault codes are alphanumeric codes generated by the onboard diagnostic systems of Caterpillar equipment. These codes provide valuable information about specific issues or malfunctions within the machinery. Each fault code corresponds to a particular problem, component, or system, enabling technicians to pinpoint the cause of the fault quickly. By interpreting these codes, operators and maintenance personnel can take appropriate action to resolve the issue effectively.

Importance of Caterpillar Fault Code List

Having access to a comprehensive Caterpillar fault code list is essential for efficient troubleshooting. The Caterpillar fault code list serves as a reference guide that helps identify specific faults and their associated meanings. It acts as a valuable tool in the hands of technicians, enabling them to diagnose problems accurately and expedite the repair process. By addressing issues promptly, equipment downtime can be minimized, leading to increased productivity and reduced costs.

Common Caterpillar Fault Codes

Engine Fault Codes

Caterpillar engines can generate a range of fault codes related to engine performance, emissions, fuel system, and sensors. Some common engine fault codes include:

  • Low Fuel Pressure
  • High Coolant Temperature
  • Faulty Oxygen Sensor
  • Engine Misfire Detected

Transmission Fault Codes

Transmission fault codes pertain to issues related to the transmission system. Examples of common transmission fault codes are:

  • Transmission Solenoid Malfunction
  • Gear Ratio Error
  • Excessive Slippage Detected
  • Faulty Transmission Control Module

Hydraulic Fault Codes

Hydraulic systems in Caterpillar equipment can also encounter problems, resulting in fault codes such as:

  • Low Hydraulic Pressure
  • Hydraulic Pump Malfunction
  • Hydraulic Cylinder Overload
  • Faulty Pressure Sensor

Electrical Fault Codes

Electrical fault codes indicate issues within the electrical system of the machinery. Some common electrical fault codes include:

  • Battery Voltage Low
  • Faulty Alternator
  • Short Circuit Detected
  • Faulty Wiring Harness

Diagnostic Tools for Caterpillar Fault Codes

To effectively diagnose and resolve Caterpillar fault codes, specialized diagnostic tools are required. These tools interface with the machinery’s onboard systems and extract fault code information. Some commonly used diagnostic tools for Caterpillar equipment are:

  • Caterpillar Electronic Technician (Cat ET)
  • Caterpillar Communication Adapter
  • Caterpillar Diagnostic Software
  • Handheld Code Readers

Troubleshooting and Resolving Fault Codes

When encountering a Caterpillar fault code, a systematic troubleshooting approach is necessary. The following steps can help resolve fault codes effectively:

  1. Step 1: Code Identification: Use the fault code list and diagnostic tools to identify the specific fault code and its meaning.
  2. Step 2: Inspection and Testing: Inspect the relevant components or systems associated with the fault code. Perform necessary tests to pinpoint the cause accurately.
  3. Step 3: Repair or Replacement: Based on the inspection and testing results, proceed with repairing or replacing the faulty components.
  4. Step 4: Clearing the Code: After resolving the issue, clear the fault code from the system using the diagnostic tools.
  5. Step 5: Verification: Test the equipment to ensure that the fault code no longer appears and that the issue has been successfully resolved.

Preventive Maintenance to Avoid Fault Codes

While troubleshooting and resolving fault codes are essential, proactive measures can help prevent their occurrence. Regular preventive maintenance plays a crucial role in minimizing the likelihood of fault codes. Some preventive maintenance practices include:

  • Scheduled inspections and servicing
  • Lubrication of moving parts
  • Regular cleaning and debris removal
  • Calibration and adjustment of sensors

By following a comprehensive preventive maintenance routine, operators can identify potential issues before they escalate into fault codes, ensuring smooth equipment operation.

The 30 Min DPF Clean Advantage

Dealing with the challenges of heavy machinery can be overwhelming, especially when it comes to clearing fault codes on your Caterpillar equipment. But worry not! There’s a beacon of hope on the horizon, and it comes in the form of 30 Min DPF Clean. We provide unrivaled Diesel Particulate Filter (DPF) cleaning services in New Jersey, Philadelphia, and Delaware, setting ourselves apart from the competition. Wondering why you should choose us to keep your machinery operating smoothly? Let’s delve into the answer.

30 Min DPF Clean: Your One-Stop Solution

What distinguishes 30 Min DPF Clean is our comprehensive approach to machinery maintenance. We don’t merely focus on DPF cleaning; we specialize in a range of services, including Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR), Diesel Oxidation Catalyst (DOC), and Catalytic Converter cleaning. By employing cutting-edge technology, we ensure your machinery runs seamlessly, minimizing those troublesome fault codes.

Quality Cleaning for Optimal Performance

At 30 Min DPF Clean, we understand that a clean machine is a happy machine. That’s why we go the extra mile to eliminate ash, soot, and other residues from your diesel engines. Our exceptional DPF Cleaning service guarantees peak performance of your machinery, offering you peace of mind while keeping those fault codes at bay.

Competitive Prices, Exceptional Service

At the end of the day, 30 Min DPF Clean provides top-quality service without straining your budget. Our competitive pricing model, combined with outstanding DPF cleaning services, makes us an obvious choice for anyone looking to prolong the lifespan of their John Deere machinery. So, when your equipment starts communicating through fault codes, consider reaching out to 30 Min DPF Clean. Our skilled technicians are proficient in handling various issues, assisting you in deciphering the John Deere Fault Codes List and getting your machinery back up and running swiftly. Remember, when it comes to machinery maintenance, it’s not just about fixing problems—it’s about preventing them. And 30 Min DPF Clean is your trusted partner on that journey.

Conclusion

In conclusion, understanding Caterpillar fault codes is vital for efficient troubleshooting and maintenance of Caterpillar equipment. By interpreting these codes accurately, technicians can identify specific issues and take appropriate action. This article has provided an overview of Caterpillar fault codes, their importance, common codes, diagnostic tools, troubleshooting methods, and preventive maintenance practices. By utilizing this knowledge, equipment owners and operators can keep their machinery running smoothly and minimize downtime. For more information on Caterpillar equipment and related services, visit the official Caterpillar website


FAQs

How can I access the Caterpillar fault code list for my equipment?

Accessing the Caterpillar fault code list for your equipment typically involves consulting the equipment’s operation and maintenance manual. Additionally, you may find the information on the official Caterpillar website or by contacting a certified Caterpillar dealer or service center.

What should I do if I encounter a Caterpillar fault code that is not listed in the manual?

If you encounter a Caterpillar fault code that is not listed in the manual, it is advisable to contact a certified Caterpillar service technician or a dealer. They can provide insights into the specific issue and guide you on how to proceed with the necessary diagnostic and repair processes.

Can I use generic diagnostic tools for Caterpillar fault codes?

While generic diagnostic tools might provide some basic information, it is recommended to use specialized diagnostic tools specifically designed for Caterpillar equipment. These tools are equipped to provide comprehensive information and accurate analysis of the fault codes for Caterpillar machinery.

Is it possible to clear fault codes without fixing the underlying issue?

It is not advisable to clear fault codes without addressing the underlying issue. Clearing the fault codes without resolving the problem can lead to further complications and potential damage to the equipment. It is essential to identify and rectify the root cause of the fault before clearing the codes.

How often should I perform preventive maintenance on my Caterpillar equipment?

The frequency of preventive maintenance for Caterpillar equipment can vary depending on factors such as the type of equipment, its usage, and environmental conditions. Generally, it is recommended to follow the maintenance schedule outlined in the equipment’s operation and maintenance manual. Adhering to the manufacturer’s recommended maintenance intervals can help ensure optimal performance and extend the lifespan of the equipment. dpf filter cleaning