July 17, 2019 NHTSA CAMPAIGN NUMBER: 19V533000
Deactivated air bags increase the risk of injury. Inadvertent deployment of the air bags increase the risk of a crash.
NHTSA Campaign Number: 19V533
Manufacturer Porsche Cars North America, Inc.
Components AIR BAGS
Potential Number of Units Affected 7,517
Porsche Cars North America, Inc. (Porsche) is recalling certain 2016-2017 911 and Boxster, 2016 Cayman and Panamera vehicles. The air bag Electronic Control Unit (ECU) may have a defective power supply capacitor that can result in air bag deactivation or inadvertent deployment of the air bags.
Porsche will notify owners, and dealers will install new software and replace the air bag ECU as necessary, free of charge. Interim notices informing owners of the safety risk were mailed September 13, 2019. Owners received a second notice and the recall began February 12, 2020. Owners may contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is AKB4.
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.safercar.gov.
Check if your Porsche has a Recall
AKB4 – Re-programming Airbag Control Unit (Stop Delivery/Recall Campaign)
|Model Line:||Panamera (970)
Boxster (981)/Cayman (981)
718 Boxster (982)/718 Cayman (982) 911 (991)
|Model Year:||As of 2016 up to 2017|
|Subject:||Airbag control unit|
|Important:||CRITICAL WARNING – This campaign includes steps where control unit(s) in the vehicle will be programmed with the PIWIS Tester. The vehicle voltage must be maintained between 13.5 volts and 14.5 volts during this programming. Failure to maintain this voltage could result in damaged control unit(s). Damage caused by inadequate voltage during programming is not a warrantable defect. The technician must verify the actual vehicle voltage in the PIWIS Tester before starting the campaign and also document the actual voltage on the repair order.|
|Information:||There is a possibility that an airbag control unit with a defective capacitor for maintaining power supply may have been installed on the affected vehicles.
This defective capacitor in the airbag control unit can trigger the airbags and/or seat-belt pretensioners in the vehicle unexpectedly or can prevent them from triggering.
|Remedial Action:||Re-program the airbag control unit using the PIWIS Tester with test software version 38.950.010 (or higher) installed.
The new software includes an additional check function for the power supply of the airbag control unit, which can be used to detect a faulty capacitor.
The following procedure is therefore used for processing this campaign (brief overview):
|Affected Vehicles:||Only vehicles assigned to the campaign (see also PCSS Vehicle Information). This campaign affects 8,057 vehicles in North America.|
Fault entry in the fault memory and control unit programming aborted due to low-voltage.
- Increased current draw during diagnosis or control unit programming can cause a drop in voltage, which can result in one or more fault entries and the abnormal termination of the programming process.
⇒ Before starting control unit programming, connect a suitable battery charger with a current rating of at least 90 A to the vehicle.
Control unit programming will be aborted if the WLAN connection is unstable.
- An unstable WiFi connection can interrupt communication between the PIWIS Tester and the vehicle communication module (VCI). As a result, control unit programming may be aborted.
⇒ During control unit programming, always connect the PIWIS Tester to the vehicle communication module (VCI) via the USB cable.
Control unit programming will be aborted if the driver’s key is not recognized
- If the driver’s key is not recognized in the vehicle, programming cannot be started or will be interrupted.
⇒ Place the driver’s key with the back facing down into the front left storage compartment in the center console to guarantee a continuous radio link between the vehicle and the driver’s key.
Pre-Information: AKB4 Recall campaign –
Re-programming the airbag control unit Version 2
Important Update: 9/12/19
Due to regulatory obligations and deadlines, Porsche will notify customers by mail tomorrow 9/13/19 that their vehicles are affected by the AKB4 Recall, but the necessary so ware and parts are not yet available. The letter mailed tomorrow states that Porsche will again contact these customers by mail when the remedy is available.
Please take note of this information and inform customers that may potentially contact you that the remedy is still being prepared and that Porsche will again notify them when the remedy is available. In the meantime, if their red Airbag Warning Lamp is illuminated, please arrange an appointment for diagnosis and repair of the affected part.
Thank you for your attention to this matter.
Further information will be published to PPN as it is made available.
AKB4 Recall Campaign- Re-programming the airbag control unit
There is a possibility that the a ected vehicles have been equipped with an Airbag control unit containing a faulty power supply capacitor.
A faulty capacitor may lead to an unexpected deployment of the vehicle’s Airbags and/or safety belt pretensioners, or can cause the non-deployment of the vehicle’s Airbags and/or safety belt pretensioners.
To prevent this from happening, the Airbag control unit must be re-programmed with a new so ware containing an additional check of the power supply. In case of a faulty Airbag control unit, this must be replaced.
|Model type||Panamera (970)
718 Boxster (982)
718 Cayman (982)
|Model year||2016 to 2017|
|Number of affected vehicles||7515|
6 Affected Products
10 Associated Documents
Recall Quarterly Report #1, 2020-1RCLQRT-19V533-6694
Part 577 Owner Notification Envelope
ISSUED Owner Notification Letter(Part 577)RCONL-19V533-4902
Manufacturer Reimbursement Plan
Manufacturer Notices(to Dealers,etc) – AKB4 Recall campaign – Reprogramming airbag control unitRCMN-19V533-2485
Remedy Instructions and TSBRCRIT-19V533-2789
Manufacturer Notices(to Dealers,etc) – PPN Portal Pre-Information: AKB4 Recall campaign – Re-programming the airbag control unit Version 2
Defect Notice 573 ReportRCLRPT-19V533-4490
ISSUED Interim Owner Notification Letter(Part 577)RIONL-19V533-9783
Latest Recalls Documents
For reprogramming and flashing Porsche vehicles without a factory diagnostic device, Porsche recommends the following devices:
Recommended Pass Thru Devices:
Porsche is not responsible for any content on these two external sites
Pass Thru - Check ECU
Pass Thru - ECU Check verifies the vehicle compliance with the latest air polution restrictions of the following organisations:
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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Last update on 2022-08-19 / Affiliate links / Images from Amazon Product Advertising API
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