NHTSA ID Number: 11016767
Manufacturer Communication Number: WSD0
TSB/Document Date: 2025-04-07
Summary
Technical Information - WSD0 - Install Upgrade to the Software Network VR28.11(Workshop Campaign)
Service
Technical Information
2025
ENU
WSD0
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WSD0 - Install Upgrade to the Software Network VR28.11 (Workshop Campaign)
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.
Model Year:
As of 2024 up to 2025
Model Line:
Macan Electric (XAB)
Concerns:
Software update (Upgrade to software version VR28.11)
Cause:
Additional software optimizations are available for various control units for the Macan Electric.
An overview of the changes that will be implemented with the software update can be found in the appendix
under ⇒ Technical Information 'Overview of software update changes'.
Action:
Perform reprogramming of the affected vehicle using the PIWIS Tester on the incremented software network
VR28.11.
Information
The minimum programming requirement is the PIWIS Tester software release 43.300.010 (or higher).
Information
The prerequisite for this action is the successful implementation of the campaign WRM0 – Update to
software network VR28.11.
If software network 28.11 has not yet been installed on the respective vehicle, this must be done before
carrying out the present action here. Read TI WRM0 for details on this.
Affected
Vehicles:
Only vehicles assigned to the campaign (also see PCSS Vehicle Information).
Required tools
Tool:
•
•
P90999 - PIWIS Tester 4
Battery charger with a current rating of at least 90 A, e.g., VAS 5908 - 90-A battery charger. For
further information about the battery chargers to be used, see the corresponding Workshop Manual. ⇒
Workshop Manual '270689 Charge battery and vehicle electrical system'
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Technical Information
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Update to incremented software network VR28.11
NOTICE
Sitting inside the vehicle during the update
•
Abort update by automatically activating the ignition
Þ
⇒
Avoid sitting inside the vehicle during the update.
NOTICE
The specified update process was not followed.
•
Update cancelled
•
Destruction of control units
Þ
⇒
Observe and follow the process displayed for the update and instructions for the PIWIS Tester
Þ
⇒
Do not switch off the ignition without instructions by the PIWIS Tester
Þ
⇒
Do not repeat the programming unless a failed update result is displayed on the PIWIS Tester
Information
Vehicle update – general information
The entire vehicle network will be checked for a necessary update or computed to ensure fault-free functioning of the vehicle. For this purpose, the following preparations are to be made:
•
Latest release on PIWIS Tester 4 and PiUS available
•
Vehicle is fully constructed
•
VCI and PIWIS Tester 4 must be connected to each other via workshop Wi-Fi
•
The user must be logged in to the PIWIS Tester 4 in the PPN
•
Vehicle must be supported with an external charger
•
Seat heating and seat ventilation are not active
•
Place the original hand-held transmitter in the emergency start tray (see Workshop Manual)
The vehicle performs the update independently. The current status can be retrieved on the diagnostic tester
or on the front display and control panel (R238) under Messages (RPC+).
Information
For this update procedure, the respective vehicle no longer needs to be in transport mode.
If necessary, the vehicle must be commissioned before carrying out the present action in order to deactivate
the transport mode.
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AfterSales
Service
Technical Information
Work Procedure: 1
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Observe preconditions for control unit programming.
⇒ Technical Information '9X10IN Basic instructions and procedure for control unit programming using
the PIWIS Tester'
Information
An active Internet connection with the PIWIS Tester must be maintained.
The technician must log in to PPN with the PIWIS tester.
The PIWIS Tester must not be charged using the cigarette lighter!
Information
Before starting the diagnosis, it is essential for an ignition change to be performed on the vehicle.
Subsequently, after starting the diagnosis, the VCI is automatically initialized and the control unit data is
loaded.
For additional information on the programming procedure and if the process is aborted, see ⇒ Technical
Information '9X10IN FAQs on control unit programming and coding'.
2
Updating the software of various control units to incremented software network VR28.11.
2.1
Start new logging via •P2“.
2.2
As soon as the control unit overview is displayed, open the additional menu •F7“.
An overview of all campaigns to be carried out for the respective vehicle is then displayed automatically.
3
2.3
Confirm the campaigns to be carried out for the respective vehicle by pressing •F12“, but do
not start for the time being.
2.4
Create Vehicle Analysis Log. Flag the created VAL with "Pre-VAL".
2.5
During the automatic integration test on the PIWIS Tester, press •F11“ to cancel it.
Update the software of various control units to incremented software network VR28.11.
In the displayed additional menu, select and confirm the "Control unit programming and coding
(campaign)" menu item.
The required updates to the incremented software network VR28.11 are then displayed.
Start the software update with •F8“ and program as per the menu.
After updating is complete, a corresponding confirmation is displayed on the PIWIS Tester.
Information
The entire update process for this action takes approx. 30 minutes.
However, the download speed of the update package depends on the performance of the local network
and can vary accordingly.
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Technical Information
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Information
During the update process, all displays in the vehicle (instrument cluster, central display and passenger
display) are occasionally switched off. Programming nevertheless continues. The ignition must not be
switched off without Tester instruction..
If WiFi coverage is insufficient, the connection between
the PIWIS Tester and VCI can be interrupted (battery
charge indicator inactive on the Tester display at the
top right). The vehicle will nevertheless continue
programming independently. In the meantime, no
entry must be made on the PIWIS Tester, and the
programming must not be restarted. In such a case,
the progress of the update can still be followed inside
the vehicle via the central display by activating the
"Messages" tile.
For specific information on control unit programming
during this campaign, see the table below.
Update progress on the central display
Required PIWIS Tester software release:
43.300.010 (or higher)
Type of control unit programming:
Control unit programming via the "Programming and
coding control units (campaign)" function.
Programming sequence:
Read and follow the information and instructions on
the PIWIS Tester during the guided programming
sequence.
Do not interrupt the programming and coding
process.
A backup documentation process for the
re-programmed software releases starts after
programming and coding.
Programming time (up to):
25 minutes
Only China / Hong Kong: 50 minutes
Control units programmed as part of this
campaign:
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See ⇒ Technical Information '9X10IN Overview of
the new features of the software update'.
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Technical Information
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Procedure if error messages appear during
programming sequence:
⇒ Technical Information '9X10IN Basic instructions
Procedure in the event of a termination in the
control unit programming:
Continue the campaign sequence to the end, then
carry out the integration test again when the test is
complete and restart programming by entering the
programming code.
and procedure for control unit programming using
the PIWIS Tester'
Specific information on how to proceed if aborted: ⇒
Technical Information '9X10IN FAQs on control unit
programming and coding'
4
5
After software update is complete, perform a vehicle bus idle.
4.1
Go back to the control unit overview by pressing •F11“.
4.2
End the readiness for operation of the vehicle (ignition off).
4.3
Wait for 5 minutes with the driver’s door open.
4.4
Establish readiness for operation (ignition on).
Check readiness for driving the vehicle.
5.1
Operate the footbrake and keep it pressed.
5.2
Use the selector lever to engage driving gears D and R one after the other. The selected gear
must be displayed in the gear indicator on the instrument cluster.
5.3
Activate the parking lock via button P.
6
End readiness for operation (ignition off) and restore it after waiting for approx. 30 seconds (ignition
on).
7
Read out and delete fault memory.
Information
If control units are found to have faults that are not caused by control unit coding, they must first be
found and corrected. This work cannot be invoiced under the workshop campaign number.
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Information
Due to the vehicle diagnosis and coding, fault memory entries that do not indicate an actual fault in the
vehicle can be stored.
These fault memory entries can be deleted for the most part after repeated starting and a test drive.
The following fault memory entry is always stored as part of a vehicle diagnosis with the PIWIS Tester
and does not represent an actual fault:
8
9
Control unit
Fault code
Description
"various" control units
B184C00
Protection of vehicle diagnostics, actuation
active
Main control unit for gateway
HCP5 (J1273)
U17A000
Diagnostic filter, access protection deactivated
Drive and chassis main
control unit HCP1 (J1312)
C140DF0
Vehicle Protected Environment (VPE), vehicle
protection activated
7.1
If necessary, restore communication of the PIWIS Tester with the vehicle.
7.2
Press •F7“ to call up the additional menu on the PIWIS Tester.
7.3
Select and confirm the menu item "Read / delete all fault memories" and press to confirm.
7.4
Press •F8“ to delete the displayed fault memory entries.
Perform a new integration test using the Diagnosis Tester.
The vehicle may only be handed over to the customer with a fully compliant software / hardware
network.
8.1
Access control unit overview on the tester.
8.2
Start integration test with •F3“ and follow as per the menu.
Create Vehicle Analysis Log. To do this, press •F7“ to access the additional menu and select create
protocol.
Flag the created VAL with "Post-VAL".
10 End the diagnostic application. Switch off the ignition. Disconnect the Tester from the vehicle.
11 Switch off and disconnect the battery charger.
12 Enter campaign in the Warranty and Maintenance logbook.
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Technical Information
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Warranty processing
Information
The specified labor times were determined specifically for carrying out this campaign and include all
necessary preliminary and subsequent rework. The labor times may differ from those published in the Labor
Operation List in the PCSS.
Scope 1:
Carry out update on incremented software network VR28.11
Labor time:
Carry out update on incremented software network VR28.11
Includes:
Connect and disconnect battery charger
Connect and disconnect PIWIS Tester
Read out and delete fault memory
Create Vehicle Analysis Log (VALs) before and after campaign
Labor time: 147 TU
Þ Damage number WSD0 066 000 1
⇒
Overview of changes due to this software update
Overview:
Control unit
Description
Main control unit for gateway
HCP5 (J1273)
Robustness measure: HCP5 programming and coding
Main control unit for body
electronics HCP4 (J519)
Robustness measure: HCP4 programming
•
•
•
Rectification of intermittent yellow or red warning messages for
"vehicle electrical system" due to HCP5 communication failures
within the control unit network
Correcting the fault: Asynchronous starting of the microcontroller in the HCP4 main control unit after bus idling intermittently prevents terminal 15 from switching on. As a result, the
vehicle cannot be started or unlocked using a key remote.
Correcting the fault: Intermittent communication breakdowns
in the HCP4 hardware security module prevent terminal 15 from
switching on.
Customer satisfaction measure: HCP4 coding
•
Optimized control of the high-voltage heater to prevent
back-up heat in the heater area. This eliminates potential odor
complaints from the cabin air vents.
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High-voltage battery
control unit
(J1120)
Robustness measure: Programming BMCe
•
•
External communication control
unit (J949)
Optimized diagnosis to detect stuck HV contactors. Faulty and
incorrectly detected position of the HV contactors leads to the
HV system shutting down or a charging process being disrupted.
Optimized battery capacity calculation to improve range,
charging power and SoC display.
China, Hong Kong market only: Programming ConMod
•
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TSB/Document ID: WSD0
Replacement Service Bulletin Number:
MFR Communication Date: 2025-03-28
MFR Internal Campaign ID/Software Version: WSD0
Communication Type: Service Campaign
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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