Fitment notes: Auxiliary 12V battery; located in front trunk; powers vehicle electronics while main high-voltage traction battery powers drivetrain
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Every control module on the 2020-2026 Porsche Taycan — 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.
Battery Management System Control Unit (BMS)8.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Underbody, integrated with high-voltage battery pack
⚠️ Fully digital display. Mileage programming requires online authentication and legal documentation.
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 2026 Porsche Taycan Turbo Dual Motor AWD and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.