Audi A4 B9 Coding List Jun 2026

Sounds a brief horn chirp when locking or unlocking the vehicle. : 46 (Central Module Comfort System)

Even with the right list, things go wrong. Here’s how to fix it.

Which you want to troubleshoot or unlock next? Share public link

You lack the hardware. For example, coding mirror dip requires the memory module in the door. Fix: Accept that some features are hardware-locked. You cannot add Lane Assist with coding alone. audi a4 b9 coding list

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Coding the Audi A4 B9 involves using diagnostic tools like VCDS (VAG-COM) or OBDeleven to access control modules and modify "bits" to unlock hidden features.

The Audi A4 B9 (2016–present) is packed with advanced technology, but the factory leaves many software features locked or deactivated based on your region and trim level. By using diagnostic software, you can tap into the car's On-Board Diagnostics (OBD) system to customize hidden comfort, safety, and performance options. Sounds a brief horn chirp when locking or

: Modify the physical distance or speed parameters to suit your driving preferences. 📋 Summary Reference Table Feature Name Primary Module Method Type Main Benefit Lap Timer & Oil Temp Long Coding Monitor engine health and track times. Needle Sweep Long Coding Premium aesthetic startup sequence. Start/Stop Disable Adaptation Eliminates engine lag at stoplights. Auto-Fold Mirrors Module 46 / 42 / 52 Visual confirmation that your car is locked. Key Fob Window Roll Adaptation Vent hot air from the cabin before entry. Scandinavian DRLs Long Coding Better rear visibility during overcast days. Active Lane Assist Modules A5, 17, 09, 44 Long Coding Software-only lane guidance retrofit. ❓ Troubleshooting & FAQs

A5-Frnt Pass Assist -> Long Coding -> Byte 16 -> Activate Bit 4

| Feature | Adaptation | New Value | |--------|-------------|------------| | Coming Home / Leaving Home via rain sensor | Außenlicht_Coming_Home → HMI → Regen_Licht_Sensor | Active | | Rear daytime running lights (DRL) together with front DRL | Daytime running lights → Tagfahrlicht-Dauerfahrlicht aktiviert zusaetzlich Standlicht | Active | | Scandinavian DRL (rear lights + front DRL) | Daytime running lights → Standlicht aktiviert zusaetzlich Tagfahrlicht | Active | | Flash turn signal 5 times (instead of 3) | Komfortblinken Blinkzyklen | 5 | | Dim LED headlights as DRL | Dimmunt Stg. DRL | 26 (adjust as desired) | Which you want to troubleshoot or unlock next

Always perform a of your car's original coding before making changes. Use community resources like Scribd's B9 Coding Guides for detailed step-by-step bit and byte values.

Remove the orange reflector look from your headlights.

Enables the 0-100 km/h or power/torque bars (usually on S/RS models but can be enabled on some A4s). Lighting Modifications