Peugeot 308 Secret — Menu

| Feature | OBD2 Scanner (ELM327) | Peugeot 308 Secret Menu | | :--- | :--- | :--- | | Engine Fault Codes | Yes | Yes (Basic) | | ABS / Airbag Codes | Expensive models only | No (Menu only shows infotainment/BSI) | | | No | Yes | | GPS Signal Strength | No | Yes | | Radio Antenna Test | No | Yes | | Real-Time Battery Voltage | Yes (with ignition on) | Yes (with ignition off) |

The secret menu is better for infotainment and electrical problems. OBD2 is better for engine and safety system faults. Use both. The "Secret Menu" on the All-New 2023+ Peugeot 308 The newest Peugeot 308 with the i-Connect Advanced system is more locked down. Peugeot has hidden the engineering menu deeper due to cybersecurity concerns (GDPR and UN R155 vehicle regulations). peugeot 308 secret menu

If you own a Peugeot 308 (particularly the second generation, 2013–2021, or the latest 2021+ model), you might feel like you know your car inside out. You adjust the climate control, pair your phone via Bluetooth, and check your fuel economy. But what if we told you that hidden just beneath the surface of your infotainment screen lies a treasure trove of diagnostic data, hardware tests, and configuration options? | Feature | OBD2 Scanner (ELM327) | Peugeot

In this article, we will walk you through exactly how to unlock the Peugeot 308 secret menu, what you will find inside, and how to use it to diagnose faults, test your hardware, and even tweak hidden vehicle settings. The secret menu is a low-level diagnostic interface built into your infotainment system. It is primarily used by engineers during production and by dealership technicians to quickly verify system health. The "Secret Menu" on the All-New 2023+ Peugeot