Fitment notes: Auxiliary 12V battery; located in front trunk; AGM required for regenerative braking system compatibility
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Every control module on the 2025-2026 Porsche Taycan Turbo — 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.
Transmission Control Unit (TCU)4.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Rear motor housing, integrated with 2-speed transmission
⚠️ Blind spot monitoring; two modules (left and right)
Park Assist Control Unit (PAU)0.7 hr R&Rsecurity gateway +0.3 hr▸ programming details
📍 Rear trunk, right side panel
🔧 PIWIS IV + PPN online
⚠️ Controls parking sensors and surround view cameras
Seat Memory Control Unit (Seat Module)0.6 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Driver and passenger seat base (left and right)
🔧 PIWIS IV or Autel MaxiSys
⚠️ Separate modules for driver and passenger seats; memory relearn required
Porsche Connect Control Unit (PCU)0.6 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear trunk, left side panel
🔧 PIWIS IV + PPN online
⚠️ 5G modem for 2025+ models; subscription reactivation may be required
12V Battery Management Control Unit (12V BMS)0.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Front trunk, left side near 12V battery
🔧 PIWIS IV or Autel MaxiSys
⚠️ Manages 12V lithium-ion auxiliary battery charging from high-voltage system
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 Electric AWD 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.