Fitment notes: 12V auxiliary battery; located in front trunk; high-performance AGM required for EV systems
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Every control module on the 2024-2026 Porsche Taycan 4S — 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 +1.5 hr▸ programming details
📍 Rear underbody, integrated with high-voltage battery pack
🔧 PIWIS III + PPN online
⚠️ Requires battery pack removal; VIN and capacity coding mandatory; high-voltage certification required; Performance Battery Plus standard on 2024+ 4S
Transmission Control Unit / Rear Motor Control (TCU/RMCU)3.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Rear motor compartment, mounted to transmission housing
🔧 PIWIS III + PPN online
⚠️ Controls 2-speed transmission and rear motor inverter; high-voltage lockout required; updated motor control software from 2024
Power Electronics Control Module (PECM)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Front trunk, left side behind service panel
🔧 PIWIS III + PPN online
⚠️ Controls front motor inverter; requires high-voltage system lockout and discharge procedure before removal; updated software architecture from 2024
Climate Control Unit (CCU)2.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Dashboard, behind center HVAC vents
🔧 PIWIS III
⚠️ Heat pump system standard; refrigerant recovery required; improved efficiency from 2024
Power Steering Control Unit (EPS)2.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Front compartment, steering column base
🔧 PIWIS III
⚠️ Rear-axle steering available on 4S; steering angle sensor calibration required
Porsche InnoDrive Control Unit (PID)2.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Dashboard, center behind trim
🔧 PIWIS III + PPN online
⚠️ Optional adaptive cruise with predictive efficiency; integrates navigation and terrain data; available from 2024
⚠️ Fully digital 16.8-inch curved display; mileage programming required; updated UI from 2024
Porsche Connect Control Unit (PCU)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Rear trunk, right side panel
🔧 PIWIS III + PPN online
⚠️ 5G connectivity from 2024; subscription activation required after replacement
Seat Memory Control Unit - Driver (SMD)0.8 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Driver seat, under seat frame
🔧 PIWIS III or Autel MaxiSys
⚠️ Seat position calibration required; passenger seat has separate module if equipped
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.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 25V896000
2025-12-19
Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cayenne, Cayenne E-Hybrid, 2020-2025 911, Taycan, 2024-2025 Panamera, and 2025 Panamera E-Hybrid vehicles. The rearview camera image may not display when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Consequence: A rearview image that does not display properly reduces the driver's view behind the vehicle, increasing the risk of a crash.
Remedy: Dealers will update the driver assistance software, free of charge. Owner notification letters were mailed February 13, 2026. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ASB2. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 19, 2026.
SUSPENSION:FRONT:MACPHERSON STRUT · 25V415000
2025-07-15
Porsche Cars North America, Inc. (Porsche) is recalling certain 2025 Panamera E-hybrid, Taycan, and Panamera vehicles. A retaining ring on top of the suspension strut may come loose, resulting in a dislodged strut and air loss from the strut spring.
Consequence: An air suspension strut failure may cause a loss of vehicle handling and control, increasing the risk of a crash.
Remedy: Dealers will inspect the retaining ring and reinstall it as necessary, free of charge. Owner notification letters were mailed August 15, 2025. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is ASA6.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 24V730000
2024-10-01
Porsche Cars North America, Inc. (Porsche) is recalling certain 2025 Taycan vehicles. The rearview image may not immediately display when the vehicle is shifted into reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence: A delayed rearview camera image reduces the driver's rear view, increasing the risk of a crash.
Remedy: Dealers will update the central computer software, free of charge. Owner notification letters were mailed on December 23, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ARB8.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS · 24V455000
2024-06-19
Porsche Cars North America, Inc. (Porsche) is recalling certain 2020-2025 Taycan vehicles. The front brake hoses can develop cracks and leak brake fluid.
Consequence: A brake fluid leak can reduce braking performance and extend the distance required to stop, increasing the risk of a crash.
Remedy: Dealers will replace the front brake hoses, free of charge. Owner notification letters were mailed on January 29, 2025. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ARB0.
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 Taycan 4S Electric 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.