Mitsubishi Multi Communication System Reset |top| May 2026

How to Reset Your Mitsubishi Multi Communication System (MMCS)

Hands-Free/Bluetooth Lockout: If you are prompted for a forgotten passcode, you can bypass it through a hidden menu. mitsubishi multi communication system reset

In this guide, we will explain what the MMCS is, why it fails, and provide every possible method to perform a hard or soft reset safely. How to Reset Your Mitsubishi Multi Communication System

  1. Turn off ignition and remove the key.
  2. Open the hood and locate the 12V battery.
  3. Using a 10mm wrench, disconnect the negative (-) terminal first.
  4. Wait 15–20 minutes (this allows residual power in the MMCS capacitors to drain).
  5. For extra assurance, turn the headlights on for 30 seconds (with battery disconnected) to drain any leftover charge.
  6. Reconnect the negative terminal and tighten securely.
  7. Start the car. The MMCS will reboot as if new.

Battery disconnect (power reset)

As a last resort for persistent electrical glitches: Turn off ignition and remove the key

for deeper diagnostic settings on your specific Mitsubishi model?

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