The 2021 Taycan 4S is Porsche's first serious EV effort, built on the J1 platform. Early adopters are discovering that while the drivetrain is impressive, early software bugs, battery management issues, and suspension components show teething pains typical of first-gen tech.
Symptoms: Check battery system warning on dash, Reduced charging speed or charging stops at 80%, Coolant level warning (battery has dedicated coolant circuit), Range degradation beyond normal (15%+ loss)
Fix: Battery pack coolant lines run underneath the pack and can crack at fittings. Cell balancing module failures require BMS software update or module replacement (2-4 hours). Severe cases involve pack removal for coolant line repair (12-16 hours). Multiple TSBs and recalls address this—check VIN for open campaigns.
Estimated cost: $1,200-8,500
Front Suspension Strut Mount Premature Wear
Common · medium severity
Typical onset: 20,000-50,000 mi
Symptoms: Clunking over bumps from front end, Steering wheel off-center after hitting pothole, Uneven tire wear on inside edge, Recall-related: insufficient tightening of strut fasteners
Fix: NHTSA recall 21V-838 covers strut fastener retorquing, but even after that, the strut mounts themselves wear faster than expected—likely due to the 5,100 lb curb weight. Replacement involves strut removal, mount replacement, and alignment (3-4 hours per side). OEM parts only—aftermarket doesn't exist yet.
Estimated cost: $1,800-2,800
Rear Differential Whine / Bearing Failure
Occasional · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: High-pitched whine that increases with speed, especially in coast mode, Vibration through floor at highway speeds, Metallic grinding during low-speed turns
Fix: The 2-speed rear transaxle (yes, it shifts) uses a complex planetary setup, and early units show bearing wear in the differential section. Requires transaxle removal, disassembly, and bearing/seal replacement (10-14 hours). Some cases need full ring-and-pinion replacement if caught late. Porsche extended warranty on some VINs—check eligibility.
Estimated cost: $4,500-9,000
12V Battery Failures Leading to Total Vehicle Shutdown
Common · high severity
Symptoms: Car completely dead—won't unlock, won't boot up, Intermittent electrical gremlins (screens rebooting, HVAC cutting out), 12V battery warning in Porsche Communication Management (PCM)
Fix: Like Tesla, Taycan uses a standard 12V lead-acid battery for accessories, and the DC-DC converter that charges it from the main pack is undersized or poorly tuned. Battery drains if car sits for 7-10 days. Replacement is straightforward (1 hour), but the real issue is software—ensure all TSB updates are applied to fix DC-DC charging logic. Use AGM battery only.
Estimated cost: $400-700
AC Evaporator Corrosion / Refrigerant Leaks
Occasional · medium severity
Typical onset: 30,000-70,000 mi
Symptoms: AC blows warm or cycles on/off, Musty smell from vents, Low refrigerant warnings in HVAC system, Visible corrosion on evaporator fins (requires inspection)
Fix: Early Taycans used an evaporator coating that reacts poorly with moisture in humid climates. Requires dash removal for evaporator replacement (14-18 hours). Porsche issued updated parts mid-2022. This is a notorious job—some shops won't touch it. Warranty coverage varies by region.
Estimated cost: $5,500-8,000
Infotainment Screen Lag / PCM Software Crashes
Common · low severity
Symptoms: Center screen freezes or goes black for 10-30 seconds, Navigation loses GPS lock, Android Auto / Apple CarPlay disconnects randomly, Climate controls unresponsive
Fix: First-gen MIB3 infotainment system is underpowered for the UI demands. Most issues fixed via over-the-air (OTA) updates or dealer software reflash (1 hour). Persistent cases may need PCM module replacement (3 hours, covered under warranty if under 4 years). Not a mechanical issue, but frustrating and common enough to mention.
Estimated cost: $0-2,500
Owner tips
Keep the car plugged in when parked to prevent 12V battery drain—this alone prevents 50% of service calls.
Use Porsche-approved DC fast chargers; third-party high-power chargers can confuse the BMS and trigger false errors.
Check for open recalls monthly via NHTSA—Porsche has been issuing rolling TSBs as they learn the platform.
Budget $200-300/year for software updates at the dealer if you don't have OTA connectivity enabled.
Inspect coolant lines under the battery pack annually if you're in a salt/corrosion zone—early detection saves the pack.
Buy one if you love the driving experience and have an independent Porsche specialist nearby—skip it if you need appliance-level reliability or hate dealer visits for software fixes.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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Porsche Cars North America, Inc. (Porsche) is recalling certain 2021-2023 Taycan, Taycan 4 Cross Turismo, 2020-2023 Taycan 4S, Taycan Turbo S, 2021-2022 Taycan 4S Cross Turismo, 2022 Taycan Turbo S Cross Turismo, 2022-2023 Taycan GTS, 2023 Taycan GTS Sport Turismo, and 2020-2021 Taycan Turbo vehicles. The high-voltage battery may experience a short circuit within the battery modules.
Consequence: A short circuit in the battery increases the risk of a fire.
Remedy: Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Dealers will replace the affected modules in the high-voltage battery, free of charge. Owner notification letters were mailed on October 8, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ARA4.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021-2024 Taycan, 2020-2024 Taycan 4S, Taycan Turbo, 2021-2023 Taycan 4 Cross Turismo, 2022-2023 Taycan 4S Cross Turismo, Taycan Turbo S Cross Turismo, 2023 Taycan Turbo Cross Turismo, 2022-2024 Taycan GTS, Taycan GTS Sport Turismo, and 2020-2023 Taycan Turbo S vehicles. The high-voltage battery may experience a short circuit within the battery modules.
Consequence: A short circuit in the battery increases the risk of a fire.
Remedy: Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Dealers will analyze the battery data and replace the high-voltage battery modules as necessary, free of charge. Owner notification letters were mailed on October 9, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ARA5.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021-2023 Porsche Taycan, 2021-2022 Taycan 4S, Taycan Turbo S, Taycan Turbo, Taycan 4 Cross Turismo, Taycan 4S Cross Turismo, Taycan Turbo Cross Turismo, 2022 Taycan GTS, and Taycan GTS Sport Turismo vehicles. The high-voltage battery may experience a short circuit within the battery modules.
Consequence: A short circuit in the battery increases the risk of a fire.
Remedy: Dealers will inspect and repair the high-voltage battery by replacing modules as necessary, free of charge Owner notification letters were mailed on June 14, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is APB5.
Porsche Cars North America, Inc. (Porsche) is recalling various models and model years. Please see the recall report for a list of the included vehicles. When using the industrial 220V/240V plug at the 100% charge setting, some home power outlets may be incapable of handling the electrical current required to utilize the compact charging system, causing the outlet or charging cable to overheat.
Consequence: An overheated outlet or charging cable can increase the risk of a fire.
Remedy: Owners are advised not to use the 220V/240V compact/portable charging cable and only use the 110V home charging cable or public charging stations. Dealers will supply a new 220V/240V compact/portable charging cable with an incorporated temperature sensor, free of charge. Owner notification letters were mailed on October 24, 2024. A second notice will be sent once remedy parts become available, anticipated mid-2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is APB6.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2020 Taycan Turbo, 2021 Taycan, Taycan 4S Cross Turismo, 2022 Taycan, Taycan Turbo, Taycan GTS, Taycan 4 Cross Turismo, Taycan 4S Cross Turismo, 2020-2022 Taycan 4S and Taycan Turbo S, and 2023 Taycan vehicles. When there is an unbelted passenger, the seat belt warning light and audible chime will not activate as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: A malfunctioning seat belt warning system may not alert the passenger to buckle their seat belt, increasing the risk of injury in the event of a crash.
Remedy: Dealers will update the instrument cluster software, free of charge. Owner notification letters are expected to be mailed May 16, 2023. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is APA2.
SUSPENSION:FRONT:MACPHERSON STRUT · 22V921000
2022-12-13
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Taycan, Taycan 4S, Taycan Turbo S, Taycan 4 Cross Turismo, and Taycan 4S Cross Turismo 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 suspension strut and replace it, if necessary, free of charge. Owner notification letters are expected to be mailed February 10, 2023. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is ANB8.
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