October 16, 2019 NHTSA CAMPAIGN NUMBER: 19V735000
If the driver is not alerted when brake pads are worn out, the vehicle may not respond as expected when braking, increasing the risk of crash.
NHTSA Campaign Number: 19V735
Manufacturer Porsche Cars North America, Inc.
Components ELECTRICAL SYSTEM, SERVICE BRAKES
Potential Number of Units Affected 44,128
Porsche Cars North America, Inc. (Porsche) is recalling certain 2017 Panamera 4, Panamera Turbo, Panamera Turbo Executive, 2017-2018 Panamera, Panamera 4S Executive, Panamera 4S, 2018 Panamera Turbo S Hybrid, Panamera 4 Hybrid Sport Turismo, Panamera 4 Sport Turismo, Panamera Turbo S Hybrid Sport Turismo, Panamera 4 Hybrid, Panamera 4 Executive, 2019 Cayenne Hybrid, 2019-2020 Cayenne, Cayenne S, Cayenne Turbo, 2020 Cayenne Coupe, Cayenne Turbo Coupe, and Cayenne S Coupe vehicles. The instrument cluster may not provide a visual warning when the brake pads are worn out. As a result, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 135, “Light vehicle brake systems.”
Porsche will notify owners, and dealers will reprogram the instrument cluster, free of charge. The recall is expected to begin December 15, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is AKB8. Note: This recall supersedes recall 19V115 and includes vehicles that were previously remedied under that campaign.
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.
AKB8 Stop Delivery – Re-programming instrument cluster
Software programming error
The subject vehicles do not meet the requirements of S5.5.3 of FMVSS No. 135 because the brake wear warning indicator is not continually illuminated in the subject vehicles in all instrument cluster display menu sub-levels.
The instrument cluster must be re-programmed with updated software, to ensure the required display of worn-out brake pads.
- Battery charger with a current rating of at least 90 A and a current and voltage-controlled
charge map for lithium starter batteries, e.g. VAS 5908 – Battery charger 90A
- 9900 – PIWIS Tester 3 with PIWIS Tester test software version 38.750.025 (or higher)
For further information about the battery chargers to be used, see:
⇒ Workshop Manual ‘2706IN General information on the 12-volt lithium-ion battery‘
⇒ Workshop Manual ‘270689 Charging vehicle electrical system battery’
- Follow the safety instructions for control unit programming ⇒ Workshop Manual ‘9X00IN Basic instructions and procedure for control unit programming‘
- Connect a battery charger that is suitable for lithium starter batteries with a current rating of at least 90 A (e.g. VAS 5908 – Battery charger 90A) to the jump-start terminals in the engine compartment.
- Position the driver’s key in the rear area of the left cupholder in the centre console between the holding struts (emergency start tray) in order to guarantee a permanent radio link between the vehicle and driver’s key
- Switch on the ignition.
- 9900 – PIWIS Tester 3 must be connected to the vehicle communication module (VCI) via the cable. Then connect the communication module to the vehicle and switch on the PIWIS Tester.
- On the PIWIS Tester start screen, call up the ‘Diagnostics‘ application. The vehicle type is then read out, the diagnostic application starts and the control unit selection screen is populated.
Re-programming instrument cluster
1. For specific information on control unit programming during this campaign, see the table below:
The basic procedure for control unit programming is described in the Workshop Manual ⇒ Workshop Manual ‘9X00IN Basic instructions and procedure for control unit programming using the PIWIS Tester’.
|Required PIWIS Tester software version:||38.750.025 (or higher)|
|Type of control unit programming:||Control unit programming using the “Campaign” function in the Additional menu on the PIWIS Tester by entering a programming code.|
|Programming code:||Cayenne (9YA and 9YB): Y5L2W
Panamera (971): H9W3B
|Programming sequence:||Read and follow the information and instructions on the PIWIS Tester during the guided programming sequence.
The instrument cluster is re-programmed and then recoded automatically during the programming sequence.
Do not interrupt programming and coding.
|Programming time (approx.):||60 minutes|
|Software version programmed during this campaign:||Instrument cluster (Cayenne) 0907|
|Procedure in the event of abnormal termination of control unit programming:||Repeat control unit programming by entering the programming code again.|
|Procedure in the event of error messages appearing during the programming sequence:||⇒ Workshop Manual ‘9X00IN Basic instructions and procedure for control unit programming using the PIWIS Tester – section on “Fault finding”‘.|
- Read out and erase all fault memories.
1.1 In the control unit selection screen (‘Overview‘ menu), press F7 to call up the ‘Additionalmenu‘.
1.2 Select the function “Read all fault memories and erase if required” and press F12 (“Next”) to confirm your selection
1.3 Once you have read out the fault memories, check the fault memory entries.
If control units are found to have faults that are not caused by control unit programming, these must first be found and corrected. This work cannot be invoiced under the workshop campaign number.
1.4 Press F8 to delete fault memory entries..
1.5 Press F12 (“Yes”) in response to the question as to whether you really want to delete all fault memory entries. The faults stored in the fault memories of the various control units are deleted.
1.6 Switch off the ignition.
1.7 Disconnect the PIWIS Tester from the vehicle.
1.8 Switch off and disconnect the battery charger.
1.9 Enter the campaign in the Warranty and Maintenance booklet.
The values for the Tire Pressure Monitoring (TPM) system may be lost during re-coding of the instrument cluster. If the Tire Pressure Monitoring (TPM) system is reset, the wheel electronics must be re-taught and adapted to the system.
Preconditions and procedure for teaching the wheel electronics units:
- Vehicle is stationary for at least 5 minutes.
- Select the type of tires fitted (type and size) in the TPM menu in the PCM. The message “No monitoring. System is learning from 25 km/h or 15 mph” then appears in the multi-function display.
- Drive at a speed of more than 25 km/h (15 mph) – ideally without stopping – until the tire pressure values are displayed (learning time: less than 2 minutes)
The system learns the wheel electronics only while driving. Intermediate stops and deviations from the described teaching procedure can result in a much longer learning time.
Teaching can be performed during the test drive or later while the customer is driving. Please inform your customer about this if necessary.
Includes: Connecting and disconnecting battery charger Connecting and disconnecting PIWIS
Tester Reading out and erasing fault memory
Invoicing: Damage Code AKB8 99 000, Repair Code 1
Invoicing: Damage Code AKB8 99 000, Repair Code 1
AKB8 Stop Delivery – Re-programming instrument … I PPN Portal
AKB8 Stop Delivery – Reprogramming
10/16: Release of Stop Delivery Remedial Measure
Please find the remedy for Stop Delivery AKB8 attached. Repairs may begin immediately.
Please note that only instrument clusters with the following software versions can be reprogrammed:
Panamera (971) : 0254
Cayenne (9YA and 9YB): 08xx and 09xx
All other software versions will follow soon.
After the remedy has been performed, please submit the corresponding warranty claim for AKB8.
Page 1 of 4
AKB8 Stop Delivery – Re-programming instrument … I PPN Portal Page 2 of 4
As a reminder, Stop Deliveries are blocked by WWS from being punched until the warranty claim for the
repair has been submitted and accepted in WWS. This process may take up to 24 hours to complete.
> Stop Delivery
> Vehicle usage
AKBB Stop Delivery – Re-programming instrument cluster
Vehicles must not be delivered to customers until the required remedial measure has been carried out.
Therefore, please carry out the following Stop Delivery, immediately. Updates will be posted to this page in
Due to a software error, the subject vehicles do not meet the requirements of S5.5.3 of FMVSS No. 135
because the brake wear warning
indicator is not continually illuminated in the subject vehicles in all instrument cluster display menu sub-levels.
The instrument cluster must be re-programmed with updated software, to ensure the required display of
worn-out brake pads.
Number of affected vehicles
Cayenne (9YA and 9YB)
Between 09/09/2016 and 08/30/2019
AKB8 Stop Delivery – Re-programming instrument … I PPN Portal Page 3 of 4
The vehicles may only be driven for loading and unloading purposes in the transport chain.
Further use is not permitted. Test drives should not be performed.
Updates will be posted to this page in PPN.
AKB8 Stop Delivery Remedial Measure_PCNA.pdf
AKB8 VIN List.xlsx
Categories: Recalls, Cayenne, Panamera, Stop Sale Tags : 971 , 9ya, mj k, stop delivery, 9yb, akb8
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© 2019 Dr. Ing. h.c. F. Porsche AG. Legal
4 Affected Products
4 Associated Documents
Remedy Instructions and TSB
Manufacturer Notices(to Dealers,etc) – announcement to dealers_PPN
Non-Compliance Notice 573 Report
Latest Recalls Documents
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 2020-03-29 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2020-03-29 / Affiliate links / Images from Amazon Product Advertising API