Audi Q8 SOS Fault Code B200000 FIXED | TCU Telematics Unit Replacement & Programming

Описание: In today’s workshop case, we fixed an Audi Q8 showing the SOS fault (B200000 error) caused by a faulty telematics control unit (TCU). This common issue affects VW, Audi, Seat, and Skoda vehicles — even without crash or water damage. Watch as we fully diagnose, replace, and program the TCU module to clear the SOS dashboard warning and restore full telematics functionality.

🚗 Vehicle: Audi Q8
🔧 Fault Code: B200000 - Telematics Control Unit Failure
📍 Issue: Emergency Call Function Fault (SOS light on dashboard)
🔁 Fix: TCU Replacement & Online Programming
OGS Mechanics – Advanced Diagnostics & Repairs
📍 North London
📞 020 8346 6755
🌐 https://www.ogsmechanics.com
⏱️ Timestamps
0:00 – Audi Q8 SOS Failure Overview
0:45 – Fault Code B200000 Identified
2:00 – Locating the TCU under passenger seat
3:15 – Why this issue happens
4:00 – New TCU Installation
6:00 – Programming & Coding with VAG Tool
8:00 – Final Checks – Faults Cleared
9:00 – SOS Warning Fixed!
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