Troubleshooting Your Drive: How to Reset the Mitsubishi Multi Communication System (MMCS)
Is your Mitsubishi’s infotainment screen acting up, or is the Bluetooth refusing to pair? Whether you're driving an
, a quick system reset is often the easiest fix for frozen screens and software glitches.
Here is your quick guide on how to perform both a soft reboot and a full factory reset on your Mitsubishi Multi Communication System (MMCS) 1. The Soft Reset (Reboot)
Try this first! A soft reset clears temporary glitches—like a lagging map or a stuck volume bar—without deleting your saved radio stations or navigation history. The Method: Locate the Power/Volume button on your unit. The Action: Press and hold the power button for 10 to 15 seconds The Result:
The screen will go black and then display the Mitsubishi logo as it reboots. This is essentially like restarting your smartphone. 2. The Full Factory Reset
If a reboot doesn't fix the issue, or if you are selling your vehicle and want to wipe your personal data, you’ll need a factory reset.
This will erase all user data, including paired phones and saved addresses. Turn your vehicle to the position (or start the engine). icon on the touchscreen. General Settings Factory Reset (sometimes listed as "Return all to default"). Confirm the selection and wait for the system to cycle. 3. Resetting Maintenance Reminders
Sometimes people search for an "MMCS reset" when they actually need to clear the "Routine Maintenance Required" wrench icon on the dashboard. Turn off the ignition. Info/Page button
(to the right of the steering wheel) until the small spanner (wrench) icon appears on the multi-information display. Press and hold the button until the icon flashes. Press the button one more time while it’s flashing to clear the warning. Still Having Issues?
If your screen remains black or "Check System" errors persist after these steps, it may be time for a software update via USB or a visit to your local Mitsubishi Dealer Service Center to check for hardware failure. authorized Mitsubishi service centers in your current area to help with a hardware diagnostic? mitsubishi multi communication system reset
Mitsubishi Outlander Service Warning Reset 2016 - Present - How To DIY
The Mitsubishi Multi Communication System (MMCS), a staple in models like the Outlander and Lancer since 2001, is a powerhouse for navigation and audio. However, even the best systems can freeze or lose their way.
Here is the story of how to get yours back on track, from a quick refresh to a deep restoration. The Soft Reboot: The Quick Fix
When the screen lags or a phone won't connect, your first move is a "soft reboot." Like restarting a smartphone, this clears temporary glitches without deleting your music or saved locations.
Method 1: While the car is on, press and hold the volume/power knob for about 10–15 seconds until the display turns black and restarts.
Method 2: For some models, you can enter an engineering menu by holding the temperature up (red) and temperature down (blue) buttons simultaneously for 8 seconds, then selecting "Reset Radio". The Hidden Menu: Deep Diagnostics
If the basic reboot doesn't work, you might need to access the "Service Mode" hidden behind the hardware buttons. Turn the ignition on but keep the radio off. Hold the Settings and Map buttons for roughly 4 seconds.
In the menu that appears, navigate to "Memory Initialization" (often on the second page) to perform a deeper system reset. The Factory Reset: Starting Over
When issues persist, a factory reset wipes the slate clean, returning all settings to their original defaults. Warning: This will erase paired phones, radio presets, and navigation history.
Navigation Path: Go to Settings > System > Factory Reset (or "Restore Defaults"). Troubleshooting Your Drive: How to Reset the Mitsubishi
Unlocking Bluetooth: If you are locked out of the Bluetooth menu by a forgotten PIN, hold the "Info" button and the "Fast Forward/Seek Up" button for four seconds to access a module reset. The "Lost Settings" Scenario: The Reset CD
A flat battery can sometimes cause older MMCS units to lose their internal operating software entirely, leaving you with a screen displaying Japanese text and a "CD" icon.
The Solution: This requires a specific "Navigation Soft" system reset CD to reload the firmware. These discs are often hardware-specific based on whether the unit was made by manufacturers like Sumitomo Electric. When All Else Fails: Hardware Resets
If the screen is completely unresponsive or "stuck" on a boot screen:
To reset your Mitsubishi Multi Communication System (MMCS), you can use several methods depending on the model year and whether you need a quick reboot or a deep factory reset. 1. Soft Reboot (Best for minor glitches)
If your screen is frozen or basic features like CarPlay aren't working, try a soft reboot first. This is like restarting a phone and won't delete your data.
Action: Press and hold the Power/Volume button for about 10 seconds. Result: The system should cycle off and restart itself. 2. Service Mode Reset (For Bluetooth/Settings issues)
If you are locked out of your hands-free settings or need to clear a PIN, use the hidden service menu.
MMCS-1 (Older models): Press and hold the Settings and Map buttons together for at least 4 seconds.
MMCS-2 (Newer models): Press and hold the Info/Set button and the top of the Seek/Track button simultaneously for 4 seconds. Method 2: Factory Data Reset (Hard Reset) Use
Inside the Menu: Select "Hands Free Module" and then "Unlock" or "Memory Initialization" to reset the pairing options and codes. 3. Full Factory Reset
This will wipe all settings, saved locations, and user data.
Navigate: Go to Settings > General (or System) > Factory Reset (or Return all settings to default). Confirmation: Follow the on-screen prompts to confirm. 4. Hard Reset (Battery Disconnect)
If the software methods fail, a hardware reset can often clear deeper electrical issues.
Use this method if you are selling the vehicle, or if software problems persist after the soft reset. Warning: This will erase all personal data, including Bluetooth pairings, saved addresses, radio presets, and screen settings.
Steps (varies slightly by model year):
If the screen is frozen or completely black, try a hard reset.
If you have cycled the power three times and still see "E6" or "E7" on the remote, the issue is likely hardware, not logic.
This works on the majority of MMCS units (Gen 2 and Gen 3).
As a last resort for persistent electrical glitches: