Note: On some newer systems (NAC), holding the three corners may immediately open a menu labeled "Engineering Mode" or "Customer Care" without asking for a code. If it asks for a code, see the list below.
View the exact build numbers of your operating system, map data, and bootloader, making it easier to find correct manual updates online. Critical Risks and Precautions
Changing advanced system parameters or triggering deep factory resets can brick your infotainment unit.
Engineering Mode (also called Service Mode or Diagnostic Mode) is a hidden manufacturer menu on the Peugeot 2008 infotainment/comfort system that grants access to system information, software versions, certain diagnostic screens, sensor values, and calibration/settings not normally exposed to users. Engineering Mode Peugeot 2008 Code
Entering EOL modes or changing configurations can disable your entire touchscreen system, requiring a dealer visit to reinstall the software.
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Once you are at the keypad, different codes may unlock different sub-menus depending on your firmware version: 1111: Standard Engineering Mode / System Info. Note: On some newer systems (NAC), holding the
Whether you have the newer (Navigation) or RCC (Radio) system, here is how you can access the secret menus. How to Access Engineering Mode
Displays the exact MCU, bootloader, and map version numbers. Use this data to check if your Peugeot 2008 is eligible for an OTA firmware update via the MyPeugeot app. Navigating the Hidden Menus
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: Look for the physical or capacitive Applications button (often shaped like four small squares or a gear icon) on the console piano keys.
: Perform a manual system reset if the screen is frozen or glitching. Important Safety Warning:
Engineering Mode, also known as "Diagbox" or "Peugeot Service Mode," is a hidden menu within your Peugeot 2008's onboard computer. This mode allows you to access advanced diagnostic functions, monitor various vehicle parameters, and even modify certain settings. Engineering Mode is primarily intended for Peugeot dealerships and authorized service centers, but it's also accessible to owners who know the right codes and procedures.
