Modern machinery like Kubota wheel loaders are equipped with advanced diagnostic systems to ensure they operate efficiently and minimize downtime. One of the key features of these systems is the Diagnostic Trouble Codes (DTC). These error codes act as a valuable tool for technicians and operators alike, helping identify and troubleshoot issues promptly.
Diagnostic Trouble Codes, commonly known as DTCs, are alphanumeric codes generated by a wheel loader’s onboard computer system.
Understanding Kubota Wheel Loader DTC Codes
These codes are designed to alert operators and technicians about specific malfunctions or irregularities in various components of the machine. DTCs cover a wide range of potential issues, from engine problems to hydraulic system faults.
How Kubota DTCs Help:
- Quick Issue Identification: When a problem occurs, the onboard computer detects irregularities in the system and assigns a unique DTC to the issue. This code provides a quick way to pinpoint the problem area.
- Time and Cost Savings: DTCs save valuable time during diagnostics. Instead of manually inspecting each component, technicians can use the error code to focus on the exact issue. This reduces labor costs and accelerates repairs.
- Preventive Maintenance: Some Kubota Wheel Loader DTCs are triggered before a critical failure occurs. This allows for proactive maintenance, preventing major breakdowns and minimizing downtime.
- Accurate Repairs: Knowing the exact problem ensures that repairs are precise. Replacing or repairing the right component the first time reduces the chances of recurring issues.
- Improved Safety: Kubota Wheel Loader DTCs can also highlight safety concerns. For example, if a vital system like the brakes or steering is compromised, the machine can be taken out of operation immediately to prevent accidents.
How to Use Kubota DTC Codes to Troubleshoot Problems
Most Kubota wheel loaders have a display panel that shows DTCs when an issue is detected. Refer to the operator’s manual for instructions on accessing and interpreting these codes. For more complex issues, it’s advisable to consult Kubota’s technical documentation or contact their customer support for guidance on specific DTCs.
Once you’ve identified the Kubota Wheel Loader DTC, take the appropriate action, whether it’s repairing or replacing a component, adjusting settings, or scheduling maintenance.
List of Kubota Wheel Loader Error Codes (DTC)
Diagnostic Trouble Codes are an indispensable feature of modern Kubota wheel loaders. They simplify the troubleshooting process, save time and money, enhance safety, and ensure your equipment operates at peak performance.
| Kubota Error Code | Problem or Failure | Wheel Loader condition | Provisional measure and Correction |
|||
| Engine performance | Machine performance | |||||
| Acceleration limited | Engine output limited | Engine stopped | ||||
| E:001 | Meter CAN communication | – | – | – | — | Immediately contact your local Kubota dealer. |
| E:014 | Hydraulic oil temperature has reached a specified level. | – | – | – | — | Stop the engine and check the level in the hydraulic oil tank and for a hydraulic oil leak.
Fill to proper level. If this error code number still appears, immediately contact your local dealer. |
| E:016 | Fuel sensor system | – | – | – | The fuel level indicator does not appear on the meter. The machine’s other functions are still operative. | Immediately contact your local Kubota dealer. |
| E:018 | Hydraulic oil temperature sensor | – | – | – | — | Move the machine to a place suited for repair. Immediately contact your local dealer. |
| E:023 | Speed control switch | – | – | – | It is impossible to change the speed setting by the speed control switch. | Immediately contact your local Kubota dealer. |
| E:024 | Differential lock | – | – | – | Differential lock does not work | Immediately contact your local Kubota dealer. |
| E:025 | Parking brake | – | – | – | Parking brake is not active. The machine would be in neutral. | Immediately contact your local Kubota dealer. |
| E:026 | Solenoid forward for traveling | – | – | – | Solenoid for traveling forward is not active and the machine would be in neutral.
(Solenoid for traveling backward works normally) |
Immediately contact your local Kubota dealer. |
| E:027 | Solenoid backward for traveling | – | – | – | Solenoid for traveling backward is not active and the machine would be in neutral.
(Solenoid for traveling forward works normally) |
Immediately contact your local Kubota dealer. |
| E:028 | Direction switch | – | – | – | The machine is locked in neutral. | Immediately contact your local Kubota dealer. |
| E:033 | Electrical power supply | – | – | – | AUX port is not active. | Immediately contact your local Kubota dealer. |
| E:034 | The sensor’s 5V power supply is short-circuited. | – | – | – | The majority of systems fail. The engine may be started and the machine may move. But do not try any jobs. (Just move the machine to a safe place.) | Immediately contact your local Kubota dealer. |
| E:035 | Starting the engine | – | – | – | – | |
| E:037 | Braking system | – | – | – | The machine will be in neutral and parking brake is not activated to prevent dragging. | Immediately contact your local Kubota dealer. |
| E:9104 | Coolant temperature system | *** | *** | – | — | Immediately contact your local Kubota dealer. |
| E:9114 | Coolant temperature warning | – | – | – | — | For correction, refer to the Coolant Temperature Gauge section.
If this error code number still appears, immediately contact your Kubota local dealer. |
| E:9115 | Engine overheat warning | – | ** | – | — | For correction, refer to the Coolant Temperature Gauge section.
If this error code number still appears, immediately contact your Kubota dealer. |
| E:9118 | Engine oil pressure system | – | – | – | — | Stop the engine and check the engine oil level.
If this error code number still appears, immediately contact your local dealer. |
| E:9119 | Charging system failure | – | – | – | — | Stop the engine and check the V-belt.
If this error code number still appears, immediately contact your local dealer. |
** May happen / *** Sure to happen
As an operator or technician, understanding and effectively using DTCs will contribute to a smoother, more efficient operation of your Kubota wheel loader.
Can I reset Kubota Wheel Loader DTCs myself?
Resetting Kubota Wheel Loader Diagnostic Trouble Codes (DTCs) should be done with caution and typically requires a certain level of technical knowledge. Here are the general steps to reset DTCs on a Kubota Wheel Loader:
- Identify the Issue: Before attempting to reset a DTC, it’s essential to understand the underlying problem. Ensure that the issue causing the DTC has been resolved, or the code is likely to reappear.
- Access the DTC Menu: Depending on the specific model of your Kubota Wheel Loader, the process to access the DTC menu may vary. Refer to your operator’s manual for precise instructions on how to access this menu. It often involves navigating through the loader’s display screen.
- Locate and Select the Reset Option: Once you have accessed the DTC menu, look for an option that allows you to clear or reset the DTCs. This option might be labeled as “Clear DTCs” or something similar.
- Follow On-Screen Prompts: The loader’s display screen will likely provide prompts or instructions on how to proceed with the reset. Follow these prompts carefully to clear the DTCs.
- Confirm the Reset: Some systems may require you to confirm your intent to reset the DTCs to prevent accidental clearing. Confirm if prompted.
- Wait for Confirmation: After initiating the reset, wait for the system to confirm that the DTCs have been cleared. This confirmation message will vary depending on the loader’s display.
- Power Cycle: In some cases, it might be necessary to turn off the loader’s engine and then restart it to complete the reset process.
- Verify Clearing: After resetting the DTCs, it’s essential to operate the loader and ensure that the DTCs do not reappear. If they do, it indicates that the underlying issue persists and needs further attention.
Important Notes:
- Clearing Diagnostic Trouble Codes should only be done if you are confident that the issue causing the DTC has been resolved.
- Some Kubota DTCs might require more than just a reset. Complex issues may need a technician’s expertise to diagnose and repair properly.
- Incorrectly resetting Kubota Wheel Loader DTCs or ignoring underlying problems can lead to safety hazards or equipment damage.
- If you are unsure about resetting DTCs or the nature of the issue, it’s advisable to consult with a qualified technician or your authorized Kubota dealer for assistance.
Always prioritize safety and proper maintenance when dealing with diagnostic trouble codes on heavy equipment like Kubota Wheel Loaders.
FAQ for Kubota Wheel Loader Error Codes
Kubota Wheel Loader Error Codes, also known as Diagnostic Trouble Codes (DTCs), are alphanumeric codes generated by the onboard computer system of the loader. These codes indicate specific issues or irregularities in various machine components.
Q1. Why are DTCs important for Kubota Wheel Loaders?
A: DTCs are essential for quickly identifying and diagnosing problems within the loader. They save time, reduce maintenance costs, enhance safety, and ensure efficient operation.
Q2. How do I access Kubota Wheel Loader DTCs?
A: Most Kubota wheel loaders have a display panel that shows DTCs when an issue is detected. Refer to your operator’s manual for instructions on accessing and interpreting these codes.
Q3. What should I do if I see a DTC on the display panel?
A: When a DTC appears, it indicates a specific issue within the loader. Consult your operator’s manual to identify the code and its corresponding problem. Depending on the severity, you may need to take corrective action, contact your authorized Kubota dealer, or consult technical resources.
Q4. Can I reset Kubota Wheel Loader DTCs myself?
A: Some DTCs can be cleared by the operator if the issue is minor and has been resolved. Refer to your operator’s manual for instructions on clearing DTCs. However, for complex issues, it’s best to have a qualified technician address and clear the codes.
Q5. Are there DTCs that require immediate attention?
A: Yes, some DTCs indicate critical issues that can compromise safety or lead to severe equipment damage. Examples include brake system failures or hydraulic system malfunctions. When such DTCs appear, cease operation immediately and contact a qualified technician for assistance.
Q6. How can I prevent DTCs in my Kubota Wheel Loader?
A: Regular maintenance and inspections are key to preventing DTCs. Follow the manufacturer’s recommended maintenance schedule, check fluid levels, inspect hoses and connections, and promptly address any issues to minimize the likelihood of DTCs.
Q7. Can I continue operating my Kubota Wheel Loader with a DTC displayed?
A: It depends on the severity of the issue indicated by the DTC. Minor issues may not immediately affect operation, but it’s generally advisable to address any DTCs promptly to prevent further damage or safety hazards. Always prioritize safety.
Q8. Where can I find more information about Kubota Wheel Loader DTCs?
A: Additional information on DTCs and their meanings can often be found in the operator’s manual provided by Kubota. For complex issues or if you need assistance, contact your authorized Kubota dealer or customer support.
Q9. Are Kubota Wheel Loader DTCs covered by warranty?
A: Warranty coverage for DTC-related issues depends on several factors, including the loader’s warranty status, the specific problem, and the manufacturer’s warranty policy. Contact your Kubota dealer or refer to your warranty documentation for details on coverage.
