December 4, 2023 NHTSA CAMPAIGN NUMBER: 23V813000
Rear Spoiler May Obstruct Center Brake Light
The raised spoiler can reduce the visibility of the center brake light and impact the vehicle driving and aerodynamics, increasing the risk of a crash.
NHTSA Campaign Number: 23V813
Manufacturer Porsche
Cars North America, Inc.
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 53
Summary
Porsche Cars North America, Inc. (Porsche) is recalling certain 2023-2024 Porsche 718 Cayman GTS 4.0, 2024 Porsche 718 Boxster S, and 718 Boxster GTS 4.0 vehicles. The rear electronic control unit (ECU) may allow the spoiler to raise up too high.
Remedy
Dealers will update the ECU software, free of charge. Owner notification letters are expected to be mailed February 2, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is APB4.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check if your Porsche has a Recall
Chronology :
In the beginning of October, 2023, Porsche was informed about an improper re-coding of the rear vehicle electronics control unit in the rework area. As a result, the subject vehicles were produced with an out of specification position of the rear spoiler.
Subsequently, the number of affected cars and markets had to be identified.
A field analysis did not reveal any known cases of either tire damage, accidents or any other complaint in this context.
During October and November of 2023, possible effects on driving behavior and the visibility of the high-mounted
stop lamp had to be analyzed.
On November 29, 2023 out of abundance of caution, a determination of defect was made in Porsche’s Product Safety Committee.
4 Affected Products
Vehicles
2 Associated Documents
Defect Notice 573 Report
RCLRPT-23V813-2947.PDF 216.619KB
Recall Acknowledgement
RCAK-23V813-3479.pdf 645.451KB
Reprogramming
For reprogramming and flashing Porsche vehicles without a factory diagnostic device, Porsche recommends the following devices:
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Pass Thru - Check ECU
Pass Thru - ECU Check verifies the vehicle compliance with the latest air polution restrictions of the following organisations:
- Environmental Protection Agency (EPA)
- California Air Resources Board (CARB).
Pass Thru - Check ECU checks the Vehicle Identification Number (VIN) stored in the vehicles Digital Motor Electronic (ECU) against the PAG database.
Pass Thru - Check ECU is free of charge and does not require any login.
How to perform a Pass Thru - ECU Check:
- Enter the Vehicle Identification Number (VIN).
- In case of EPA offical enter the CVN ID.
- In case of CARB offical enter the Cal ID.
- Click the "CHECK ECU Version" button.
If the VIN is valid you see:
VIN IS VALID - User has the latest Update
How to find the VIN:
The VIN is labeled inside the windscreen at the bottom right side: see sample.
How to get the CVN ID / Cal ID:
CVN / Cal IDs can be retrieved with a generic scan tool device.
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SEOCONTENT-START
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-813
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Porsche Cars North America, Inc.
Submission Date : DEC 04, 2023
NHTSA Recall No. : 23V-813
Manufacturer Recall No. : APB4
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 : 53
Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2023-2023 Porsche 718 Cayman GTS 4.0
Vehicle Type : LIGHT VEHICLES
Body Style : 2-DOOR
Power Train : GAS
Descriptive Information : Affected vehicles have been identified through production records.
Production Dates : JUN 29, 2023 – JUL 03, 2023
VIN Range 1 : Begin : WP0AD2A80PK271518 End : WP0AD2A82PK271598 ✔ Not sequential
Vehicle 2 : 2024-2024 Porsche 718 Cayman GTS 4.0
Vehicle Type : LIGHT VEHICLES
Body Style : 2-DOOR
Power Train : GAS
Descriptive Information : Affected vehicles have been identified through production records.
Production Dates : JUN 23, 2023 – SEP 01, 2023
VIN Range 1 : Begin : WP0AD2A85RK269007 End : WP0AD2A81RK269246 ✔ Not sequential
Vehicle 3 : 2024-2024 Porsche 718 Boxster S
Vehicle Type : LIGHT VEHICLES
Body Style : 2-DOOR
Power Train : GAS
Descriptive Information : Affected vehicles have been identified through production records.
Production Dates : SEP 05, 2023 – SEP 05, 2023
VIN Range 1 : Begin : WP0CB2A84RK223070 End : WP0CB2A84RK223070 Not sequential
Part 573 Safety Recall Report 23V-813 Page 2
The information contained in this report was submitted pursuant to 49 CFR §573
Vehicle 4 : 2024-2024 Porsche 718 Boxster GTS 4.0
Vehicle Type : LIGHT VEHICLES
Body Style : 2-DOOR
Power Train : GAS
Descriptive Information : Affected vehicles have been identified through production records.
Production Dates : JUL 25, 2023 – SEP 04, 2023
VIN Range 1 : Begin : WP0CD2A89RK228016 End : WP0CD2A81RK228107 ✔ Not sequential
Description of Defect :
Description of the Defect : Due to improper re-coding of the rear vehicle electronics control unit in the
rework area of a Porsche manufacturing plant, the position of the rear spoiler
is out of specification and therefore too high.
The higher rear spoiler can reduce the visibility of the high-mounted rear stoplamp
on affected vehicles. In addition the vehicle aerodynamics and driving
dynamics may be affected.
FMVSS 1 : NR
FMVSS 2 : NR
Description of the Safety Risk : The higher rear spoiler can reduce the visibility of the high-mounted rear
stop-lamp on affected vehicles and impair the vehicle aerodynamics and
driving dynamics, increasing the risk of a crash.
Description of the Cause : Due to an employee error, the rear vehicle electronics control unit was
manually re-coded with the wrong values after the vehicles were produced
with the correct software coding.
Identification of Any Warning
that can Occur :
None.
Involved Components :
Component Name 1 : Rear vehicle electronics control unit
Component Description : The control unit is responsible for controlling the rear spoiler
Component Part Number : NR
Supplier Identification :
Component Manufacturer
Name : VW Osnabrück GmbH
Part 573 Safety Recall Report 23V-813 Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Address : Karmannstraße 1
Osnabrück Foreign States 49084
Country : Germany
Chronology :
In the beginning of October, 2023, Porsche was informed about an improper re-coding of the rear vehicle
electronics control unit in the rework area. As a result, the subject vehicles were produced with an out of
specification position of the rear spoiler.
Subsequently, the number of affected cars and markets had to be identified.
A field analysis did not reveal any known cases of either tire damage, accidents or any other complaint in this
context.
During October and November of 2023, possible effects on driving behavior and the visibility of the highmounted
stop lamp had to be analyzed.
On November 29, 2023 out of abundance of caution, a determination of defect was made in Porsche’s Product
Safety Committee.
Description of Remedy :
Description of Remedy Program : The rear vehicle electronics control unit is re-coded with the serial coding
version.
The owner’s letter will not include a statement about customer
reimbursement for pre-notification remedies as all of the affected vehicles
are still covered under Porsche New Car Limited Warranty.
How Remedy Component Differs
from Recalled Component :
There is no remedy component needed. The rear vehicle electronics
control unit is re-coded with the production coding version.
Identify How/When Recall Condition
was Corrected in Production :
The correct coding is and has always been used in production. It was
coded manually by the employee.
Recall Schedule :
Description of Recall Schedule : Customers will be notified of this Recall by mail within 60 days of the
filing of this report.
Planned Dealer Notification Date : DEC 20, 2023 – DEC 20, 2023
Planned Owner Notification Date : FEB 02, 2024 – FEB 02, 2024
* NR – Not Reported
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