Introduction
Cummins engines are known for their power and reliability, but like all engines, they can encounter issues. Understanding Cummins fault codes is essential for diagnosing and addressing problems promptly. In this comprehensive guide, we’ll delve into the common Cummins fault code list, explaining their meanings, causes, and potential solutions. Whether you’re a seasoned mechanic or a Cummins engine owner, this article will equip you with the knowledge to keep your engine running smoothly.
*Please press the following to search through the Cummins fault code list: CTRL+ F
| Trouble Code | SPN | FMI | Description |
| 6254 | 5246 | 16 | Aftertreatment SCR Operator Inducement |
| 4572 | 3031 | 9 | Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature |
| 4677 | 1761 | 9 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level |
| 6255 | 1569 | 15 | Engine Protection Torque Derate |
| 3868 | 3364 | 9 | Aftertreatment Diesel Exhaust Fluid Quality |
| 3712 | 5246 | 0 | Aftertreatment SCR Operator Inducement |
| 559 | 157 | 18 | Injector Metering Rail 1 Pressure |
| 6766 | 3251 | 18 | Aftertreatment 1 Diesel Exhaust Fluid Property |
| 3382 | 3058 | 18 | Engine Exhaust Gas Recirculation (EGR) System |
| 3361 | 102 | 10 | Intake Manifold 1 Pressure |
| 6255 | 1569 | 15 | Engine Protection Derate |
| 3725 | 3216 | 10 | Aftertreatment Intake Nox Sensor |
| 1922 | 3251 | 0 | Aftertreatment Diesel Particulate Filter Pressure |
| 4572 | 3031 | 9 | Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature |
| 1117 | 3597 | 2 | Power Supply Lost with Ignition On |
| 3868 | 3364 | 9 | Aftertreatment Diesel Exhaust Fluid Quality |
| 5177 | 6713 | 9 | Variable Geometry Turbocharger Actuator Software |
| 3712 | 5246 | 0 | Aftertreatment SCR Operator Inducement |
| 4677 | 1761 | 9 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level |
| 6254 | 5246 | 16 | Aftertreatment SCR Operator Inducement Severity |
Understanding Cummins Fault Codes List
Cummins fault codes are alphanumeric codes generated by the engine’s onboard diagnostic system (OBD) when it detects a problem or malfunction. These codes provide valuable information to pinpoint the issue, making troubleshooting more efficient.
How to Retrieve Cummins Fault Codes
Retrieving Cummins fault codes can be done using a diagnostic tool connected to the OBD port of the engine. Consult your engine’s manual for specific instructions on accessing and retrieving fault codes.
Common Cummins Fault Codes and Their Meanings
Engine Fault Codes
- H1: SPN 101 – FMI 2 – Intake Manifold Pressure Sensor Circuit Data Erratic
- H2: SPN 1209 – FMI 2 – Exhaust Gas Recirculation Valve Position Sensor Circuit Data Erratic
- H3: SPN 639 – FMI 2 – Alternator Field Circuit Data Erratic
- H4: SPN 3719 – FMI 0 – Diesel Particulate Filter Regeneration Inhibited
Transmission Fault Codes
- SPN 190 – FMI 2 – Engine Speed Data Erratic
- SPN 523010 – FMI 4 – Transmission Control System Fault
- SPN 639 – FMI 9 – Transmission Speed Data Not Plausible
- SPN 5031 – FMI 9 – Transmission Abnormal Update Rate
Electrical Fault Codes
- SPN 101 – FMI 16 – Intake Manifold Pressure Sensor 1 Circuit Voltage Below Normal or Shorted to Low Source
- SPN 970 – FMI 16 – Engine Electronic Control Module (ECM) Power Supply Voltage Below Normal or Shorted to Low Source
- SPN 164 – FMI 11 – Engine ECM Processor Resetting Due to Voltage Below Normal or Shorted to Low Source
- SPN 611 – FMI 16 – Injector Actuation Pressure 1 Circuit Voltage Below Normal or Shorted to Low Source
Causes of Cummins Fault Codes
Cummins fault codes can be triggered by various factors, including sensor malfunctions, electrical issues, fuel system problems, or mechanical faults. Identifying the root cause is crucial for effective troubleshooting.
Troubleshooting Cummins Fault Code List
DIY Solutions
Many Cummins fault codes can be resolved through DIY troubleshooting. This may involve checking sensor connections, inspecting wiring, or cleaning components. Refer to your engine’s manual for specific guidance.
Seeking Professional Help
For complex or persistent fault codes, it’s advisable to seek assistance from a certified Cummins technician. They have the expertise and diagnostic tools to diagnose and repair more challenging issues.
Preventive Maintenance for Cummins Engines
Regular maintenance is the key to preventing Cummins fault codes and ensuring the longevity of your engine. Follow the manufacturer’s recommended maintenance schedule, including oil changes, filter replacements, and system inspections.
Unlock the Benefits of the 30 Min DPF Clean Advantage
Dealing with the intricacies of heavy machinery, especially when tackling fault codes in your Cummins equipment, can be an overwhelming experience. But fret not! There’s a beacon of hope on the horizon, and it takes the form of the 30 Min DPF Clean. We provide unmatched Diesel Particulate Filter (DPF) cleaning services across New Jersey, Philadelphia, and Delaware, setting us apart from the competition. Wondering why you should entrust us with ensuring the smooth operation of your machinery? Let’s delve into the answer.
30 Min DPF Clean: Your Comprehensive Solution
What distinguishes 30 Min DPF Clean is our holistic approach to machinery maintenance. We don’t solely concentrate on DPF cleaning; our expertise extends to an array of services, including Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR), Diesel Oxidation Catalyst (DOC), and Catalytic Converter cleaning. Leveraging cutting-edge technology, we guarantee the seamless performance of your machinery, reducing the occurrence of those troublesome fault codes.
Excellence in Cleaning for Peak Performance
At 30 Min DPF Clean, we acknowledge that a clean machine is a content machine. This is why we go the extra mile to eradicate ash, soot, and other residues from your diesel engines. Our exceptional DPF Cleaning service assures the optimal performance of your machinery, offering you peace of mind while keeping those fault codes at bay. We are able to take care of your Cummins issue.
Competitive Rates, Unparalleled Service
In essence, 30 Min DPF Clean delivers top-tier service without burdening your budget. Our competitive pricing structure, coupled with our exceptional DPF cleaning services, positions us as the clear choice for those looking to extend the lifespan of their Cummins machinery. So, when your equipment begins communicating via fault codes, contemplate reaching out to 30 Min DPF Clean. Our adept technicians possess the proficiency to address a variety of issues, aiding you in deciphering the Cummins Fault Codes List and swiftly getting your machinery back on track. Remember, in the realm of machinery maintenance, it’s not just about remedying problems—it’s about preempting them. And in that journey, 30 Min DPF Clean stands as your reliable partner.
Conclusion
In this guide, we’ve explored Cummins fault code list, from understanding their meanings to troubleshooting and preventive maintenance. By staying proactive and addressing issues promptly, you can keep your Cummins engine running smoothly and efficiently.
FAQs (Frequently Asked Questions)
What are Cummins fault codes?
Cummins fault codes are alphanumeric codes generated by the engine’s onboard diagnostic system to indicate specific issues or malfunctions.
How can I retrieve Cummins fault codes?
You can retrieve Cummins fault codes using a diagnostic tool connected to the engine’s OBD port. Refer to your engine’s manual for specific instructions.
Can I fix Cummins fault codes myself?
For simple issues, you can attempt DIY solutions like checking sensor connections or cleaning components. However, for complex problems, it’s best to consult a certified technician.
How often should I check for Cummins fault codes?
Regularly check for fault codes as part of your routine maintenance schedule. This can help catch issues early and prevent more significant problems.
Are Cummins fault codes unique to Cummins engines?
Yes, Cummins fault codes are specific to Cummins engines and indicate issues within the engine’s systems.
For more information on Cummins equipment and related services, visit the official Cummins website.
