NHTSA ID Number: 10219462
Manufacturer Communication Number: No. 141-22-1
TSB/Document Date: 2022-09-08
Summary
Technical information for WNK1 - update to software network.
If there are active fault memory entries U008A00 in the airbag control unit and/or U13BE00 in
the gateway control unit after the update, these must be ignored. These entries do not result in a
function restriction.
16 Press •F3“ to start the integration test in the control unit selection .
All affected control units should now be successfully re-programmed or checked in the control unit
overview and their status.
Information
If a deviation in the integration test is still indicated despite programming being carried out, this must
be repeated. If the deviation persists, contact Technical Support.
17 Create Vehicle Analysis Log (VAL) using the PIWIS Tester.
Mark the vehicle analysis log you have just created with the attribute “Post-VAL” and after carrying
out the campaign, return it using the PIWIS Tester.
18 Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.
19 Update navigation database.
20 Switch off and disconnect the battery charger.
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Technical Information
141/22 ENU WNK1
9
21 Set battery charger back to a charge voltage of 14.4 volts.
Information
An excessively high charge voltage can lead to battery defects in other model lines.
22 Attach the completed checklist to the PQIS quality line. Technical Information '9X00IN Introduction'
23 Enter the campaign in the Warranty and Maintenance booklet.
Warranty processing
Campaign Exception for Punch Time Requirements: ANA6, WNJ8, and WNK1
PCNA will make an exception to warranty policy regarding the necessary time keeping procedures when
performing the following campaigns: ANA6, WNJ8, and WNK1.
Though warranty policy guidelines state that no technician may be punched on more than one R.O. at
the same time, an exception will be made for the ANA6/WNJ8/WNK1 campaigns. Due to the extensive
programming time necessary a technician may perform multiple ANA6, WNJ8, and WNK1 campaigns
at one time, as long as there is a separate identifiable punch for each on the respective repair
order and the total number of campaigns being performed at one time does not exceed 3. The
exception will be made so that full "active participation time" does not need to be documented for these 3
campaigns only.
Scope 1:
Labor time:
Update software for various control units
Includes:
Connecting and disconnecting battery charger
Connect and disconnect PIWIS Tester
Update various control units to software version VR19.0.1
(Sequence 1)
Update software for central computer (PCM) (sequence 2)
Perform rework for various control units (sequence 3)
Installing Owner's Manual in the PCM
Perform rework in the vehicle
Select and erasing fault memories
Create Vehicle Analysis Logs (VALs) before and after the
campaign
Labor time: 295 TU
Damage code WNK1 066 000 1
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WNK1
Technical Information
ENU 141/22
Overview of control units, VR19.0.1
Overview:
Overview of control units to be programmed VR19.0.1
Control unit
Sequence
1: Combined
software update
of various control
units
(Update via PIWIS
Tester)
Programming time including coding of all control units
Model year 2022
up to 90 minutes, depending on installation status
Includes:
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Gateway
approx. 2 minutes
Battery sensor
approx. 4 minutes
High-voltage
charger (OBC)
approx. 5 minutes
High-voltage DC
battery charger
(booster)
approx. 2 minutes
HV voltage
converter
approx. 4 minutes
Rear high-voltage
power electronics
approx. 2 minutes
Front High-voltage
power electronics
Only for 4WD
vehicles
approx. 2 minutes
Rear-end
electronics (BMC2)
approx. 4 minutes
Air spring chassis
control
approx. 3 minutes
Air-conditioning
compressor (ECC)
approx. 10 minutes
approx. 20 minutes
Head-up display
approx. 5 minutes
Engine electronics
(DME)
approx. 2 minutes
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Technical Information
141/22 ENU WNK1
Over the Air (OTA)
9
approx. 19 minutes
Coding of all
control units
Up to 20 minutes
Sequence 2:
PCM update
(Update via PIWIS
Tester and USB
storage medium)
Model year 2022
up to 10 minutes, depending on installation status
Sequence 3:
Start subsequent
work for various
control units
(Update via PIWIS
Tester)
Model year 2022
up to 25 minutes
Installing onboard
operating
instructions
Teaching
component
protection
Updating enabling
functions
Automatic coding
of all control units
approx. 20 minutes
Back to the programming sequence for the Technical Information '9X00IN software update (software
integrated VR19.0.1.)'
Overview of the new features of the software update
Overview:
Function
Vehicle electrical
system
Description
The new features depend on the country and
vehicle equipment
•
•
Model year 2021-2022
The functionality of the battery
management system is optimized to
prevent sporadically discharged 12V
batteries
Increased stability of 12V vehicle electrical
system during long idle periods
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Technical Information
ENU 141/22
WNK1
Function on Demand
•
A subsequent activation of the comfort
opening/closing (KESSY) and the virtual
pedal for opening the rear lid can now be
activated via Function on Demand
Connectivity
•
Longer availability of the VTS alarm
Assistance systems
•
Higher precision of assistance systems and
expansion of market-specific availability
Improved parking space detection for
intelligent ParkAssist (even small parking
spaces available)
Higher availability of Lane Change Assist in
confusing traffic situations
Availability of Porsche
Inno Drive in the
markets Lithuania and Vatican
Optimization of traffic sign recognition
Extension of ParkAssist for the Lithuania
market
Increased ParkAssist sensor range and
better object detection
•
•
•
•
•
•
Diagnostics
•
Increased diagnostic reliability with external
access
Charging
•
Increased charging stability during AC
charging
Better availability of the plug-and-charge
function
•
Return to the introduction Technical Information '9X00IN Introduction'
Overview of PCM update
Information
The central computer (PCM) software update is performed using a USB storage medium. The software
version that is specific to each region must be downloaded using the software tool PiUS (Porsche integrated Update Service) and must be installed on a blank USB storage medium.
Pay particular attention to the following:
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•
For this PCM software update, the USB storage medium USB Type A+C 32 GB with the part number
V04014999WW000 must be used.
•
To use the software tool, one blank or re-writable USB storage medium is required for each individual software.
•
The software available in PiUS must only be used in accordance with the instructions provided in a
Technical Information published for this purpose.
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Technical Information
141/22 ENU WNK1
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The software mentioned here must only be used on the vehicles assigned to the campaign. Damage
to the central computer cannot be ruled out if the software is used on other vehicles.
You will find further information on installation and use the PiUS software tool in the PPN portal under
*PiUS (Porsche integrated Update Service) goes live*.
Overview:
Part No.
Designation
– Region
Vehicle allocation
9J1919360M
USB storage medium for PCM
update
– North America
– Mexico
I-No. ER3/ER4
Back to the programming sequence for the Technical Information '9X00IN software update (software
integrated VR19.0.1.)'
Additional instructions if programming is aborted
Information
If individual programming steps or reworking could not be carried out correctly, see Workshop Manual for
the basic procedure for control unit programming using the PIWIS Tester Workshop Manual '9X00IN
Basic instructions and procedure for control unit programming using the PIWIS Tester - chapter on “Troubleshooting”'. :
In the event of a fault, logging must always be created during programming using •Ctrl“ and •L“ using
the PIWIS Tester.
Porsche AG programmed approx. 100 vehicles before the campaign was published as part of an internal
pilot project; not one single control unit had to be replaced in the vehicles.
As a general rule, if programming is aborted during programming, programming must be continued.
The entire sequence can be started again at any time using the campaign code. The control unit that has
already been programmed is skipped or programming is started via the integration test.
You will also find further information and instructions specifically for the VR19.0.1 update in the table
below:
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WNK1
Work
Procedure:
Technical Information
ENU 141/22
Control unit:
Situation:
Action required:
Cancelling individual control
units:
One or more control units
cannot be programmed or can
no longer be accessed
•
•
•
•
•
Error message DoIP switchover:
There is no DoIP switchover
•
•
•
•
•
•
Chassis control
Control unit for chassis control
aborts during programming but
reports the correct software
version
Airbag cannot be locked
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AfterSales
•
Check on whether the
control unit can be
accessed using the PIWIS
Tester or if bus idle does
not have to be carried out
Control unit still not
accessible –> Remove
fuse for control unit –>
Ignition on –> Ignition off
–> Re-insert fuse
Control unit still not
accessible –> Disconnect
battery overnight
Check whether the control
unit is accessible
Carry out programming
individually using the
integration test (•F3“ in
the control unit overview
Switch off VCI and try again
(do not operate VCI via
WiFi)
Use a different VCI
Use another PIWIS Tester
Check PINs on OBD socket
Check fuses of the OBD
socket
Check Ethernet lines
between OBD socket
and gateway (resistance
measurement)
Enter the campaign
programming code
EFP_J1_OW in the
Additional Menu -->
Campaign function.
Service
Technical Information
Head-up display
141/22 ENU WNK1
The head-up display control unit
cannot be reached
•
•
9
Pulling out fuse for head-up
display control unit –>
Removing fuse for control
unit –> Ignition on –>
Ignition off –> Re-insert
fuse
Carry out programming
individually using the
integration test (•F3“ in
the control unit overview
Head-up display
Active error B200049 DTC
(000050) in the fault memory
•
This error can be ignored as
long as the head-up display
is working
OTA control unit
Programming aborted
•
Remove fuses from the OTA
control unit. Use the PIWIS
Tester to check whether
the OTA control unit can be
reached in order to check
whether the correct fuse
was removed (multiple
fuses installed for the OTA
control unit)
Restart programming via
the Integration test
•
Rear end electronics
An error message appears
on the PIWIS Tester when
programming the rear end
electronics
AfterSales
•
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Click on the (+) Plus Sign
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TSB/Document ID: No. 141-22-1
Replacement Service Bulletin Number:
MFR Communication Date: 2022-08-29
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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