Fitment notes: Battery located in front trunk; AGM required for start-stop and high-performance electrical demands
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Every control module on the 2020-2026 Porsche 911 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)3.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Transmission housing, driver side
🔧 PIWIS III + PPN subscription
⚠️ 8-speed PDK; requires adaptation and clutch learning procedure
Digital Motor Electronics (DME)2.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Engine compartment, rear left side near firewall
⚠️ 360-degree view system; calibration required for all cameras
Airbag Control Unit (ACU)1.2 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Center console, below HVAC controls
🔧 PIWIS III + PPN subscription
⚠️ Crash data must be cleared; seat occupancy sensors must be adapted
Door Control Unit (Door Module)1.2 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Inside each door panel
🔧 PIWIS III
⚠️ Four modules total; window calibration required
Kessy Control Unit (KESSY)1.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Dashboard, left side near steering column
🔧 PIWIS III + PPN subscription
⚠️ All keys must be present for programming; immobilizer sync with DME required
Park Assist Control Unit (ParkAssist)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Rear trunk, left side
🔧 PIWIS III
⚠️ Sensor calibration required after replacement; includes surround view
Porsche Wet Mode Control Unit (Wet Mode)0.8 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Front wheel wells (sensors)
🔧 PIWIS III
⚠️ Water detection system; sensor calibration required
Seat Memory Control Unit (Seat Module)0.8 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Under driver seat
🔧 PIWIS III
⚠️ Separate modules for driver and passenger seats; massage function
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 911 Turbo 3.7L Twin Turbo H6 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.