How to Clear Mitsubishi Forklift Fault Codes: A Comprehensive DIY Guide

Clearing Mitsubishi forklift fault codes can be a daunting task for some, but with the right knowledge and a step-by-step approach, it can be a straightforward process. This comprehensive guide will walk you through the advanced techniques and technical specifications required to effectively clear Mitsubishi forklift fault codes, empowering you as a DIY enthusiast to diagnose and resolve issues with your equipment.

Identify the Fault Codes

Before attempting to clear the fault codes, it’s crucial to understand the error codes displayed on your Mitsubishi forklift’s dashboard. These codes provide valuable information about the specific issues affecting your equipment, allowing you to diagnose the problem and determine the appropriate course of action.

The Mitsubishi forklift fault codes typically follow a standardized format, such as “Exx,” where “xx” represents a unique code that corresponds to a specific problem. By referencing the Mitsubishi forklift fault code manual or accessing online resources, you can decipher the meaning of each code and gain a deeper understanding of the underlying issues.

Prepare the Forklift

how to clear Mitsubishi fault codesImage source: Mitsubishi ac By Dinkun Chen

Ensuring the safety and stability of your Mitsubishi forklift is paramount before attempting to clear the fault codes. Begin by turning off the engine and placing the forklift in a secure, level position. This will prevent any unexpected movements or accidents during the diagnostic and code-clearing process.

Access the Diagnostic Mode

To access the diagnostic mode on your Mitsubishi forklift, follow these steps:

  1. Turn the ignition key to the “ON” position without starting the engine.
  2. Observe the dashboard; it should illuminate, indicating that the forklift is ready for diagnostic mode.

This diagnostic mode will allow you to interact with the forklift’s onboard computer and initiate the code-clearing process.

Clear the Fault Codes

To clear the fault codes on your Mitsubishi forklift, follow these detailed steps:

  1. Press the Accelerator Pedal: Press the accelerator pedal five times within 5 seconds, ending the set of five with the pedal released.
  2. Wait and Press Again: Wait for 7 seconds, then press and hold the accelerator pedal for 10 seconds or more until the malfunction indication light starts flashing.
  3. Initiate Self-Diagnostic Test: Release the accelerator pedal, which will initiate a self-diagnostic test. The dashboard display will show one or more blinking forklift DTC (Diagnostic Trouble Code) codes.
  4. Leave the Pedal Released: Leave the pedal released for 10 seconds or more.
  5. Erase the Codes: Press and hold the accelerator pedal for 10 seconds or more, which will erase the results of the self-diagnostic test and clear the forklift codes. Only the current hour meter will be displayed on the dashboard; no codes should be present.
  6. Turn Off the Key Switch: Release the pedal and turn the key switch off.
  7. Restart the Forklift: Restart the forklift’s engine and ensure normal operation.

Confirm Code Clearing

After completing the code-clearing process, it’s essential to confirm that the fault codes have been successfully cleared. Check the dashboard display to ensure that no error codes are present. If the codes are still displayed, repeat the process or seek professional assistance to ensure the issue is resolved.

Advanced Tips

Use a Scan Tool

For a more advanced diagnosis and code-clearing process, consider using a Mitsubishi forklift scan tool. These specialized tools can provide more detailed information about the error codes, helping you identify the root cause of the problem. Scan tools can also offer additional functionality, such as the ability to reset other forklift systems or perform advanced diagnostics.

Document the Process

Keeping a detailed record of the fault codes, the steps taken to clear them, and any relevant observations can be invaluable for future troubleshooting and maintenance. This documentation can help you diagnose and resolve similar issues more efficiently, as well as improve your overall forklift maintenance procedures.

By following the comprehensive steps outlined in this guide and incorporating the advanced tips, you’ll be well-equipped to effectively clear Mitsubishi forklift fault codes and maintain the optimal performance of your equipment. Remember to always prioritize safety and seek professional assistance if you encounter any difficulties or concerns during the process.


  1. How to Clear Mitsubishi Forklift Fault Codes
  2. Clearing Forklift Error Codes on Mitsubishi Forklifts
  3. Mitsubishi Forklift Fault Code Clearing Procedure