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Fitment notes: Auxiliary 12V battery; main traction battery is 100 kWh high-voltage system; 12V battery located in front compartment
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Every control module on the 2025 Audi Q6 e-tron quattro — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
High Voltage Battery Management Controller (HVBMC)4.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Under rear cargo floor, integrated with battery pack
🔧 VAS 6154/ODIS + Security Gateway access
⚠️ Requires battery pack partial disassembly; VIN-locked to vehicle; dealer-only replacement due to high-voltage safety protocols and component protection
High Voltage Battery Junction Box (HVBJB)3.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Under rear cargo floor, adjacent to battery pack
🔧 VAS 6154/ODIS + Security Gateway access
⚠️ High-voltage distribution and safety disconnect; dealer-only service
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2025 Audi Q6 e-tron quattro 100 kWh Dual Motor and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.