Audi A4 B9 Coding List ((better)) Jun 2026

Module 02 (Transmission) -> Long Coding -> General -> Display Gear -> Set to Active . Enable Lap Timer

This article serves as a comprehensive guide to the most popular and tested coding tweaks for the Audi A4 B9 (2016–2019) and the related A5 B9. These modifications unlock hidden potential, enhance convenience, and customize your driving experience.

: Automatically tilts the passenger side mirror downward when the car is put in reverse to help with parking.

If your B9 has the front camera but lacked the lane assist package from the factory, you can code the steering wheel to guide you back into lanes. audi a4 b9 coding list

: A5 (Front Sensors) → Long Coding → Byte 16 → Activate Bit 7

Module 36 (Seat Adjustment) → Coding → easy_entry_front.

Note: This modification requires the factory front windshield camera (A5 module) and a high-spec MMI navigation system for mapping data verification. Module 02 (Transmission) -> Long Coding -> General

The B9 electrical network draws massive current when the ignition is on. If the battery voltage drops below 12V mid-coding, ECUs can crash.

An advanced tool primarily used for flashing firmware and complex parameters. Rules for Safe Coding

Always take a full scan and backup of a control module before changing any values or adaptation channels. : Automatically tilts the passenger side mirror downward

Prevents the engine from shutting off at red lights. This is usually done via a voltage limit workaround.

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Always run a full diagnostic scan and save the results before making any changes. This provides a backup of your original coding.