ARA4 – High-Voltage Batteries May Short Circuit – 2020-2023 Porsche Taycan

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-215
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Porsche Cars North America, Inc. MAR 20, 2024 NHTSA Recall No. : 24V-215 Manufacturer Recall No. : ARA4 Manufacturer Information :
Manufacturer Name : Porsche Cars North America, Inc.
Address : One Porsche Drive
Atlanta GA 30354 Company phone : 1-800-767-7243
Population :
Number of potentially involved : 606 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2021-2023 Porsche Taycan Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : JAN 25, 2021 – JUN 27, 2023 VIN Range 1 : Begin : WP0AA2Y15MSA13415 End : WP0AA2Y17PSA17020 ✔ Not sequential Vehicle 2 : 2020-2023 Porsche Taycan 4S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : FEB 11, 2020 – JUN 01, 2023 VIN Range 1 : Begin : WP0AB2Y16LSA50078 End : WP0AB2Y18PSA36740 ✔ Not sequential Vehicle 3 : 2021-2023 Porsche Taycan 4 Cross Turismo Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : JUL 08, 2021 – FEB 21, 2023 VIN Range 1 : Begin : WP0BA2Y10MSA71131 End : WP0BA2Y18PSA60432 ✔ Not sequential Part 573 Safety Recall Report 24V-215 Page 2 Vehicle 4 : 2021-2022 Porsche Taycan 4S Cross Turismo Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : JUL 07, 2021 – MAY 04, 2022 VIN Range 1 : Begin : WP0BB2Y1XMSA81100 End : WP0BB2Y14NSA71387 ✔ Not sequential Vehicle 5 : 2022-2022 Porsche Taycan Turbo S Cross Turismo Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : APR 29, 2022 – APR 29, 2022
VIN Range 1 : Begin : WP0BC2Y12NSA74169 End : WP0BC2Y12NSA74169 Not sequential Vehicle 6 : 2022-2023 Porsche Taycan GTS Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : MAY 04, 2022 – NOV 14, 2022 VIN Range 1 : Begin : WP0AD2Y12NSA59566 End : WP0AD2Y1XPSA47488 ✔ Not sequential Vehicle 7 : 2023-2023 Porsche Taycan GTS Sport Turismo Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : JUL 17, 2023 – JUL 17, 2023
VIN Range 1 : Begin : WP0CD2Y18PSA90316 End : WP0CD2Y18PSA90316 Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-215 Page 3 Vehicle 8 : 2020-2021 Porsche Taycan Turbo Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : NOV 04, 2019 – FEB 17, 2021 VIN Range 1 : Begin : WP0AC2Y13LSA70219 End : WP0AC2Y12MSA63408 ✔ Not sequential Vehicle 9 : 2020-2023 Porsche Taycan Turbo S Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC
Descriptive Information : The vehicles were identified by data analytics to identify affected clusters of production.
Production Dates : OCT 21, 2019 – NOV 29, 2022 VIN Range 1 : Begin : WP0AC2Y16LSA70179 End : WP0AC2Y18PSA52109 ✔ Not sequential Description of Defect :
Description of the Defect : Certain Taycan high-voltage batteries experience short circuits within the battery modules, which can lead to thermal events and in some cases fires.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : A short circuit in the high-voltage battery module can increase the risk of a
thermal event.
Description of the Cause : The root cause analysis suggests that production issues in high-voltage battery modules can increase the risk of internal short circuits. Identification of Any Warning
that can Occur : There are no warnings. Involved Components : Component Name 1 : Cell block module in high-voltage battery Component Description : Cell block module in high-voltage battery Component Part Number : N/A The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-215 Page 4 Supplier Identification : Component Manufacturer
Name : LG ENERGY SOLUTION WROCŁAW sp. z o.o.
Address : LG 1A
Kobierzyce Foreign States 55-040 Country : Poland Chronology :
In 2021 Porsche became aware of a report of a single vehicle battery fire that occurred shortly after charging. Porsche investigated this incident and began obtaining comparable undamaged batteries from the field for analysis. In 2023, Porsche became aware of further instances of battery fires in Taycan vehicles after charging. Therefore, although the root cause analysis was still ongoing, on 6 December 2023 Porsche determined that a safety-related defect exists in the identified vehicles (manufacturer recall identification code APB5). Porsche continued investigating this issue together with the battery cell/module manufacturer, using in particular data analytics and hardware analyses. With this additional investigation and analyses, on 13 March 2024 Porsche determined that a safety-related defect exists in additional vehicles identified via data analytics and hardware analyses. As there are different batches of potentially affected Porsche Taycan vehicles which require different remedies, Porsche decided to conduct two different recalls on 13 March 2024 (manufacturer recall identification code ARA4 and ARA5): ARA4 applies to a vehicle population where Porsche has sufficient vehicle battery data. ARA5 applies to a vehicle population where Porsche does not or not yet have access to sufficient vehicle battery data. Description of Remedy :
Description of Remedy Program : As an interim remedy, the owner notification letter will advise that
affected vehicles should only be charged to a maximum of 80% of the battery capacity.
The affected modules in the high-voltage battery will be replaced. How Remedy Component Differs from Recalled Component : The owner notification letter will advise that Porsche offers a reimbursement for pre-notification remedies in accordance with 49 CFR
§573.13.
The vehicles were identified by data analytics based on latest root cause analyses to determine affected clusters in production. This report will be updated as necessary. Replacement battery modules will be produced using improved cell production quality, as applicable. Identify How/When Recall Condition was Corrected in Production : Vehicles produced after July 17, 2023 are not subject to this recall. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-215
Page 5
The information contained in this report was submitted pursuant to 49 CFR §573
Recall Schedule :
Description of Recall Schedule : Owners will be contacted within 60 days of the filing of this report.
Planned Dealer Notification Date : MAR 27, 2024 – MAR 27, 2024
Planned Owner Notification Date : MAY 17, 2024 – MAY 17, 2024
* NR – Not Reported

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