Fitment notes: Located in front trunk; AGM required for start-stop system
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Every control module on the 2020-2026 Porsche 911 — 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)2.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Transmission tunnel or mounted on transmission
🔧 PIWIS III + PPN online
⚠️ 8-speed PDK; manual transmission models (GT3, base Carrera option) do not have TCU
Hybrid Control Unit (HCU)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine compartment or under vehicle
🔧 PIWIS III + PPN online
⚠️ 2024+ hybrid models only; manages electric motor and battery integration with DME
Head-Up Display Control Unit (HUD)2.0 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Dashboard, above instrument cluster
🔧 PIWIS III
⚠️ Optional equipment on 2024+ models; requires calibration to driver position
Power Steering Control Unit (EPS)2.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Steering column area
🔧 PIWIS III + PPN online
⚠️ Electric power steering; steering angle sensor calibration required
⚠️ Fully digital cluster (except GT3 with analog tach); mileage programming requires online dealer authorization
Central Gateway Control Unit (Gateway)1.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Dashboard, left side near fuse panel
🔧 PIWIS III + PPN online
⚠️ Enhanced security gateway; replacement requires full vehicle reconfiguration and all module re-authentication
Park Assist Control Unit (ParkAssist)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Rear compartment, behind rear seats
🔧 PIWIS III or Autel MaxiSys Elite
⚠️ Sensor calibration required
Seat Memory Control Unit (Seat Module)0.8 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Under driver and passenger seats
🔧 PIWIS III or Autel MaxiSys Elite
⚠️ 18-way power seats with memory; separate modules per seat
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 3.0L 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.