NHTSA ID Number: 10191738
Manufacturer Communication Number: No. 17-21
TSB/Document Date: 2021-05-05
Summary
Porsche service campaign information for Workshop Campaign WMA7 - Performing Software Update for Charger (Porsche Mobile Charger Connect).
Service
Technical Information
17/21
ENU
WMA7
0
WMA7 - Performing Software Update for Charger (Porsche Mobile Charger Connect)
(Workshop Campaign)
Revision:
This bulletin replaces bulletin Group 0 17/21 WMA7, dated March 26, 2021.
Model Year:
As of 2020 up to 2021
Concerns:
Charger (Porsche Mobile Charger Connect)
Information:
Software optimizations are available for Porsche Mobile Charger Connect (software version
VR12.1.1).
The software update contains general fault corrections and function enhancements such as encrypted
communication between the charging equipment and vehicle for secure information exchange, a new
display format during charging including the display of vehicle information, battery status and remaining
range as well as the "Plug & Charge Private" function with automatic detection of vehicles already
registered in Mobile Charger Connect when you plug in the charging cable without also having to enter
your PIN.
Action required: Update the Porsche
Mobile Charger Connect software using the PIWIS Tester with software version
39.900.095 (or higher) installed.
Information
For vehicles with Workshop Campaign WMA7 open in PCSS, this campaign must be carried out after
campaigns WMA5 (Taycan MY 2020) or WMA6 (Taycan MY 2021) so that the Porsche Mobile Charger
Connect software version is also VR12.1.1..
Affected
Vehicles:
Only vehicles assigned to the campaign (see also PCSS Vehicle Information). This campaign affects
5,235 vehicles.
Required tools
No tools are required for checking the software version of the charger (Porsche Mobile Charger
Connect).
Tools:
•
•
9900 - PIWIS Tester 3 with software version 39.900.095 (or higher) installed.
VAS 611 009 - Diagnostic adapter for high-voltage charging system
AfterSales
Apr 16, 2021
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Service
WMA7
ENU
Technical Information
17/21
Checking software version and updating software if necessary
WARNING
Working on electric components
•
Risk of burns
•
Risk of short circuit or fire.
Before replacing the power cable or vehicle cable, always disconnect the power cable from the electrical
socket.
Only replace cables in a dry environment.
Porsche universal charger (AC) may only be used as a unit comprising power cable, control unit and
vehicle cable.
WARNING
Unsecured load
•
An unsecured, incorrectly secured or incorrectly positioned charger can slip out of place and endanger
occupants when braking, accelerating, changing direction or in the event of an accident.
Never transport the charger unsecured.
Stow the charger in the luggage compartment.
Always transport the charger in the luggage compartment, never in the passenger compartment (e.g. on
or in front of the seats).
Action required: 1
2
Remove the charger (Porsche Mobile Charger Connect) from the vehicle.
Check software versions of the charger (Porsche
Mobile Charger Connect) and compare them with the
table below.
The software versions are shown on the sticker on
the back of the charger (Porsche Mobile Charger
Connect) Checking software versions.
Checking software versions
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AfterSales
Service
Technical Information
17/21
Software version
Next steps
Communication board software
(SW_C) and power board
software (SW_P) lower than
Software must be updated.
To do this, continue with Step 3.
•
•
3
WMA7
0
SW_C: 2925
SW_P: 4100
Communication board software
(SW_C) and power board
software (SW_P) is
•
•
ENU
Software does not have to be updated. The charger software is
already up-to-date.
– End of action required –
Continue with Step 5.
SW_C: 2925
SW_P: 4100
Re-program the power board.
3.1
Secure the power cable Connecting
diagnostic adapter -1- to the diagnostic
adapter for high-voltage charging
system Connecting diagnostic adapter
-2- and connect this to the charger (Porsche
Mobile Charger Connect) Connecting
diagnostic adapter -3-.
3.2
Connect the power cable to the power supply.
Connecting diagnostic adapter
3.3
Wait at least 3 minutes before connecting
9900 - PIWIS Tester 3 to the vehicle
communication module (VCI) via the USB
cable and connect the communication
module Connecting communication
module (VCI) -1- to the diagnostic adapter
for high-voltage charging system (
Connecting communication module (VCI) -2-).
3.4
On the PIWIS Tester start screen, call up the
'Diagnostics' application.
The vehicle type is then read out, the diagnostic application is started and the control
unit selection screen is populated.
3.5
Connecting communication module (VCI)
Select the 'External components' model line in the 'manual model line selection' screen
and confirm with 'Next'.
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Technical Information
17/21
3.6
Re-program the power board.
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'.
For specific information on programming the power board during this campaign,
see the table below:
Required PIWIS Tester software
version:
39.900.095 (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:
M3K3U
Programming sequence:
Read and follow the information and
instructions on the PIWIS Tester during the
guided programming sequence.
Do not interrupt programming and coding.
A backup documentation process for the
re-programmed software versions starts as
soon as programming and coding is complete.
Apr 16, 2021
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Programming time (approx.):
5 minutes
Software version programmed during
this campaign:
4100
Procedure in the event of abnormal
termination of control unit
programming:
Repeat programming by entering the
programming code again.
Procedure in the event of error
messages appearing during the
programming sequence:
Workshop Manual '9X00IN Basic instructions
When programming is complete, the software
version can be read out of the charger (Porsche
Mobile Charger Connect) in the 'Extended identifications' menu using the PIWIS Tester.
and procedure for control unit programming
using the PIWIS Tester - section on "Fault
finding"'.
3.7
Remove the PIWIS Tester from the charger (Porsche Mobile Charger).
3.8
Disconnect the power cable from the power supply and remove it from the diagnostic
adapter.
3.9
Remove the PIWIS Tester from the charger (Porsche Mobile Charger).
AfterSales
Service
Technical Information
17/21
ENU
WMA7
0
Information
A connection to a WiFi network is required for the communication board update.
If it is not possible to establish an Internet connection to the charger (Porsche Mobile Charger
Connect), the update can also be downloaded manually via the web address under E-Performance at
https://www.porsche.com and installed using the web application. This procedure is described further in
the instructions for the web application.
This can be accessed directly at: https://contact.porsche.com/usa/accessoriesandservices/porscheservice/software-update/
4
Re-program the communication board.
4.1
Secure the power cable to the charger
(Porsche Mobile Charger) and connect it to
the power supply.
4.2
The charger starts after a waiting time of at
least 30 seconds.
4.3
Select the 'Settings' icon in the menu bar to
open the main menu Opening Settings -1-.
Opening Settings
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Technical Information
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4.4
Select the 'Networks' function in the main
menu Selecting Networks function -1-.
4.5
Activate WiFi Connecting WiFi network -1and then select "WiFi networks" in order to
select the relevant network from the list of
detected WiFi networks Connecting WiFi
network -2-.
4.6
Enter the WiFi password and confirm it.
Selecting Networks function
4.7
Return to the selection screen using the
arrow key and select the 'Software updates'
function.
Connecting WiFi network
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Technical Information
17/21
4.8
Deactivate automatic software updates
Installing software update -1- and select the
'Download' function Installing software
update -2-.
4.9
Once the latest software has been downloaded successfully, select the 'Install'
function in order to confirm the message
Software update available.
ENU
WMA7
0
The update can take up to 5 minutes.
4.10
Once the update is complete, confirmation
of the software update that was performed is
displayed. Confirm with 'OK'.
Software version programmed during
this sequence
•
Communication board: 2925
Installing software update
Following the update, the software version is
displayed at the bottom of the screen in the 'Software updates' menu.
4.11
Reactive automatic software updates if this was previously selected as "On" prior to deactivation.
4.12
Switch off the charger (Porsche Mobile Charger Connect)
5
Place the charger (Porsche Mobile Charger Connect) in the vehicle.
6
Enter the campaign in the Warranty and Maintenance booklet.
Warranty processing
Information
The specified working times were determined specifically for carrying out this campaign and include all
necessary preliminary and subsequent work.
The working times may differ from the working times published in the Labor Operation List in PCSS.
Scope 1:
Working time:
Checking software version of charger (Porsche Mobile Charger Connect)
Labor time: 12 TU
Damage Code WMA7 066 000 1
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Service
WMA7
Scope 2:
ENU
Technical Information
17/21
Working time:
Checking and updating software version of charger (Porsche Mobile
Charger Connect)
Includes:
Connecting and disconnecting PIWIS Tester
Connecting and disconnecting diagnostic adapter for
high-voltage charging system
Labor time: 37 TU
Damage Code WMA7 066 000 1
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2021 Porsche Cars North America, Inc.
Apr 16, 2021
Page 8 of 8
AfterSales
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TSB/Document ID: No. 17-21
Replacement Service Bulletin Number:
MFR Communication Date: 2021-04-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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