Audi A4 B9 Coding List Jun 2026

| Tool | Best For... | Key Considerations | | :--- | :--- | :--- | | | In-depth long coding, in-depth diagnostics, professional use | Higher learning curve. The most powerful tool. Requires a specific cable (HEX-V2 or newer) from Ross-Tech. An older cable from a B7 may not be compatible with the B9 platform. | | OBDeleven (NextGen) | Beginners, convenience, one-click "apps" | Extremely user-friendly via smartphone. Offers "One-Click Apps" for many common tweaks. Most community guides are written for OBDeleven. For manual coding, it uses a credit system. |

These are the top five codings B9 owners search for specifically.

: Always scan and save the original long coding or adaptation values of a module before changing anything. audi a4 b9 coding list

Access path: [09] → Security Access (31347 for B9) → Coding

: Module 17 (Instruments) > Coding > Long Coding Helper > Byte 1 > Enable Bit 3. | Tool | Best For

(Parking Brake) → Adaptations: (4)-Automatic release without seat belt → Change to Active . By default, the electric parking brake only releases if your seatbelt is on. This defeats that logic.

Let me know if you want a printer‑friendly version or a PDF. Enjoy your personalized B9! Requires a specific cable (HEX-V2 or newer) from Ross-Tech

The following table summarizes the most frequent coding changes requested by the Audi community:

Ultimate Audi A4 B9 Coding List: Unlock Hidden Features (VCDS & OBDeleven)