Audi A4 B9 Coding List Guide

Modifying your car's coding is a powerful ability, but it comes with responsibilities. Please follow these guidelines to ensure a safe and successful experience.

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

** VCDS Mod List for B9 ** | Audizine Audi Enthusiast Forums audi a4 b9 coding list

Automatically toggles high beams on and off based on oncoming traffic (requires the front-facing mirror camera).

Incorrect coding can cause vehicle malfunctions or leave control units in a "bricked" state. Always back up your original coding (create a "VCDS Map" or save the trace file) before making changes. Modifying your car's coding is a powerful ability,

5F-Information Electr. -> Adaptation -> Search for VZE -> Set all related values to Activated 🎛️ Comfort & Convenience Optimizations 1. Disable Engine Start/Stop System

: Allows front fog lights to remain on even when high beams are activated. Infotainment & System Features Here’s how to fix it

Note: Standard VCDS software cannot perform this alteration; it requires a specialized app unlock via VCP, OBDapp, or OBDeleven.

Activates wireless connectivity for Apple CarPlay if your facelift vehicle only allows it via USB cable. VCDS / OBDeleven Long Coding:

Before diving into the codes, understand the architecture. The B9 uses protocols. Unlike older VAG cars, you cannot simply change a byte; you often need to adapt channels or change binary bits.