Fitment notes: AGM battery required; located under cargo floor in rear; part of start-stop system
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Control Modules — 2025 Porsche Macan S
Every control module on the 2019-2026 Porsche Macan S — 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
📍 Transmission housing, driver side, integrated into valve body assembly
🔧 PIWIS III + PPN subscription
⚠️ Requires transmission oil service during replacement. Enhanced adaptive learning procedures. PDK transmission requires extensive coding and test drive cycles.
PTM Control Unit (All-Wheel Drive) (PTM)2.5 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Transmission tunnel, center under vehicle mounted to transfer case
🔧 PIWIS III
⚠️ Controls active all-wheel drive system. Transfer case fluid service recommended during replacement. Enhanced torque vectoring on 2019+ models.
📍 Center dashboard, integrated into center console head unit
🔧 PIWIS III + PPN subscription
⚠️ PCM 4.0 or later on 2019+ models. Navigation and software updates require online connection. Requires coding for all vehicle options. Bluetooth and phone pairing reset needed.
📍 Dashboard, behind instrument panel, accessible after steering wheel removal
🔧 PIWIS III + PPN subscription
⚠️ Mileage programming requires dealer authorization and legal documentation. VIN and complete vehicle configuration must be coded. Digital cluster on 2019+ models.
Power Steering Control Unit (EPS)1.5 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Engine bay, passenger side firewall area near steering column
🔧 PIWIS III
⚠️ Steering angle sensor calibration mandatory. Steering wheel must be centered during coding. Enhanced steering feel programming on 2019+ models.
Porsche Dynamic Light System Plus (PDLS+)1.5 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Each headlight assembly, integrated into headlight housing (2 total)
🔧 PIWIS III
⚠️ LED matrix headlights standard on 2019+ models. Headlight aim calibration mandatory after replacement. Camera-based adaptive lighting requires calibration.
Climate Control Unit (CCU)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Dashboard, behind center climate control panel
🔧 PIWIS III
⚠️ Automatic climate control requires calibration. Air quality sensor integration on 2019+ models.
Surround View Camera System (Camera Module)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Multiple locations: rear liftgate, front grille, side mirrors (4 cameras total)
🔧 PIWIS III
⚠️ 360-degree camera system standard on higher trims. All cameras require calibration and alignment. Integrated with ParkAssist system.
Digital Motor Electronics (DME)1.2 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Engine bay, driver side firewall area, mounted on bracket near brake master cylinder
🔧 PIWIS III + PPN subscription
⚠️ VIN-locked with enhanced security. Online authentication mandatory. Component protection ties to immobilizer, gateway, and TCU. 2019+ models have stricter security protocols.
Door Control Unit (Door Module)1.0 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Each door, inside door panel near latch mechanism (4 total)
Power Liftgate Control Unit (Liftgate Module)1.0 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Rear liftgate, driver side inside liftgate panel
🔧 PIWIS III
⚠️ Power liftgate height memory requires relearn. Kick-sensor function (if equipped) requires calibration.
Gateway Control Unit (Gateway)1.0 hr R&Rsecurity gateway +2.0 hr▸ programming details
📍 Dashboard, passenger side behind glove box
🔧 PIWIS III + PPN subscription
⚠️ Central security module with enhanced encryption on 2019+ models. Replacement requires all vehicle modules to be recoded and component protection re-established. Critical security component.
Kessy Control Unit / Immobilizer (KESSY)1.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Dashboard, driver side lower panel area near steering column
🔧 PIWIS III + PPN subscription
⚠️ All keys must be reprogrammed. Enhanced component protection ties to DME, gateway, and steering lock. Replacement requires dealer-level security authentication.
Trailer Module Control Unit (Trailer Module)1.0 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Rear cargo area, driver side rear corner under trim panel
🔧 PIWIS III
⚠️ Only on vehicles with factory trailer hitch option. Trailer stability control integration with PSM. Requires coding for trailer light and brake controller.
📍 Rear cargo area, driver side rear corner under trim panel
🔧 PIWIS III
⚠️ Only on vehicles equipped with PASM option. Ride height calibration and damper adaptation required after replacement.
Airbag Control Unit (ACU)0.8 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Center console, beneath center armrest, mounted to tunnel
🔧 PIWIS III + PPN subscription
⚠️ Battery disconnect required. All airbag components must be coded to new module. Seat occupancy sensor and belt tensioner calibration needed.
Park Assist Control Unit (ParkAssist)0.8 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Rear cargo area, passenger side rear corner under trim panel
🔧 PIWIS III
⚠️ Sensor calibration required. Camera and surround view alignment if equipped. 360-degree camera system on higher trims.
Telephone Control Unit / Telematics (TCU)0.8 hr R&Rsecurity gateway +0.7 hr▸ programming details
📍 Rear cargo area, center under cargo floor near spare tire well
🔧 PIWIS III + PPN subscription
⚠️ Porsche Connect services require activation. Enhanced LTE connectivity on 2019+ models. SIM card programming needed for cellular features.
Seat Memory Control Unit (Seat Module)0.6 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Driver seat base, under seat mounted to seat frame
🔧 PIWIS III
⚠️ Memory positions lost on replacement. Seat occupancy sensor integrated, affects airbag system. Enhanced massage and ventilation features on 2019+ models.
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 2025 Porsche Macan S 3.0L V6 Turbo and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.