Audi A4 B9 Coding List =link=

Prevents the front DRL from dimming or turning off completely when the turn signal on that side is blinking. 09 (Central Electrics)

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Changes the Virtual Cockpit splash screen (e.g., to the RS logo) by changing the "Derivative" value.

Search for Comfort operation or Window comfort operation and ensure it is set to Active . Disable Auto Start/Stop System audi a4 b9 coding list

Long Coding -> Byte 6 -> Deactivate Bit 4 or change sidemarker_via_lcm to not_active . 4. Virtual Cockpit & MMI Infotainment Change Virtual Cockpit Theme (Sport / S / RS Layouts)

If your B9 is equipped with the front-facing windshield camera (used for Pre-Sense) but lacks the factory Lane Assist package, you can often code it on completely for free.

Below is a comprehensive list of the most popular and useful coding modifications for the Audi A4 B9 platform. 🛠️ Required Tools for Audi B9 Coding Prevents the front DRL from dimming or turning

The official dealership tool. Powerful, but overkill for most enthusiasts due to high costs and steep learning curves. Ultimate Audi A4 B9 Coding List

| Feature | Control Module | Path / Instruction | Details | | :--- | :--- | :--- | :--- | | | 17 – Instrument Cluster | Long Coding -> Byte 1 -> Activate Bit 0 | The needles do a full sweep at startup, mimicking the S/RS models. | | Lap Timer | 17 – Instrument Cluster | Long Coding -> Byte 1 -> Activate Bit 3 | Adds a lap timer display in the Virtual Cockpit. | | Power/Torque Display | 17 – Instrument Cluster | Long Coding -> look for "additional engine data" | Enables real-time power and torque gauges on the Virtual Cockpit screen. | | Start-Up Screen | 17 – Instrument Cluster | Coding, Byte 09 | Activate bits to change the startup logo (e.g., Bit 2,5,7 for A4 quattro). |

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Beeps the horn when locking or unlocking the vehicle. You can later toggle this on/off via the MMI menu. 09 (Central Electrics)

Before diving into the coding list, it’s essential to understand the hardware and software you’ll need. Without the right tools, you can’t access your car’s control modules.

: Unlocks the centered tachometer (S/RS style) on cars equipped with the full digital dashboard. Needle Sweep / Gauge Test