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Fitment notes: Auxiliary 12V battery; located in front trunk; powers vehicle electronics while high-voltage system powers drivetrain
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Every control module on the 2022-2026 Porsche Taycan Sport Turismo — 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 +2.0 hr▸ programming details
📍 Integrated into high-voltage battery pack, underbody center
🔧 Porsche PIWIS III + PPN online
⚠️ Requires complete battery pack removal for access; VIN-locked with cryptographic pairing to PECM and gateway; replacement typically requires Porsche factory authorization
Active Roll Stabilization Control Unit (PDCC)5.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Front and rear axles, integrated with stabilizer bars
🔧 Porsche PIWIS III + PPN online
⚠️ Optional Porsche Dynamic Chassis Control Sport; electromechanical anti-roll system; requires hydraulic system bleed and calibration
Transmission Control Unit / 2-Speed Gearbox Control (TCU)4.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Rear motor assembly, integrated with rear drive unit
🔧 Porsche PIWIS III + PPN online
⚠️ Controls 2-speed automatic transmission on rear axle; requires high-voltage lockout and adaptation to PECM
Central Gateway Control Unit (CGW)3.2 hr R&Rsecurity gateway +2.5 hr▸ programming details
📍 Behind dashboard, center console area near steering column
🔧 Porsche PIWIS III + PPN online
⚠️ Security gateway for entire vehicle; replacement requires online authentication and all modules must be re-adapted; controls access to all other control units
Climate Control Unit / 3-Zone Automatic Climate (CCU)2.5 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Behind dashboard, center
🔧 Porsche PIWIS III + PPN online
⚠️ Includes heat pump system management for efficiency; requires refrigerant recovery and recharge
Power Electronics Control Module (PECM)2.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Front trunk, left side near motor inverter assembly
🔧 Porsche PIWIS III + PPN online
⚠️ Controls both front and rear motor inverters; requires high-voltage system lockout and discharge procedure before removal
Electric Power Steering Control Unit (EPS)2.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Steering column, below dashboard
🔧 Porsche PIWIS III + PPN online
⚠️ Requires steering angle sensor calibration and torque sensor adaptation after replacement
Surround View Camera System Control Unit (SVC)2.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Behind PCM display, center console
🔧 Porsche PIWIS III + PPN online
⚠️ Processes four camera inputs for 360-degree view; requires static and dynamic calibration with alignment mat
Door Control Unit (DCU)1.2 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Inside each door (four total)
🔧 Porsche PIWIS III
⚠️ Controls windows, mirrors, locks, ambient lighting per door; requires window initialization after replacement
Park Assist Control Unit (PAC)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Rear trunk area, left side
🔧 Porsche PIWIS III + PPN online
⚠️ Integrates ultrasonic sensors and surround view cameras; requires camera calibration after replacement
Porsche Dynamic Light System Plus Control Unit (PDLS+)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Left and right headlight assemblies (one per side)
🔧 Porsche PIWIS III + PPN online
⚠️ LED Matrix headlights with 84 individually controlled LEDs per side; requires headlight aim calibration after replacement
Seat Memory and Adjustment Control Unit (SMC)0.8 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Under driver and passenger seats (one per seat)
🔧 Porsche PIWIS III
⚠️ Controls 18-way power adjustment, memory, heating, ventilation, massage; basic adaptation possible with aftermarket tools
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 Sport Turismo Electric 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.