NHTSA ID Number: 10162227
Manufacturer Communication Number: 122-V7Z9N-07
TSB/Document Date: 2019-07-08
Summary
Instructions for carrying out Workshop Campaign WKC6, Re-programming Air-Conditioning Control Unit and Various Other Control Units. Due to incorrect servo motor control, the air-conditioning system flaps on the affected vehicles may not be moved to the required positions at times. If this happens, the temperature distribution and air distribution in the interior of the vehicles can differ from the selected settings. To prevent this from happening, the air-conditioning control unit must be re-programmed with an updated data record. The software of other control units will also be updated at the same time.
•
Software version is 0290 and system is "zFAS Var B"or"zFAS Var C":
Continue with Technical Information '2706IN Re-programming control unit for assistance systems
- variant B or variant C'.
5
Re-program control unit for assistance systems (bootloader).
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 control unit programming during this campaign, see the table
below:
Required PIWIS Tester software version:
38.400.020 (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:
B7A5Q
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Read and follow the information and instructions
on the PIWIS Tester during the guided
programming sequence.
The bootloader for the control unit for
assistance systems is re-programmed during
the programming sequence.
Programming sequence:
Do not interrupt programming.
Programming time (approx):
8 minutes
Software version programmed during this
campaign:
B250
Following control unit programming, the software
version can be read out of the control unit for
assistance systems in the 'Extended identifications'
menu using the PIWIS Tester.
Procedure in the event of abnormal
termination of control unit programming:
Replace control unit.
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"'.
Depending on the variant of the installed assistance system that you read out and wrote down earlier, go
to the next step as described below.
•
•
For "zFAS Var A" or "zFAS Var A0", continue with Technical Information '9X00IN
Re-programming control units for assistance systems - variant A'.
For "zFAS Var B" or "zFAS Var C", continue with Technical Information '9X00IN
Re-programming control unit for assistance systems - variant B or variant C'.
Information
If the control unit for assistance systems (bootloader) is re-programmed and the variant of the control unit
for assistance systems was not read out beforehand, the installed variant can be determined using the
Porsche
part number.
To do this, read out the value under 'Porsche part number' in the 'Extended identifications' menu in the
selected control unit for assistance systems.
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•
For 4N6907107 or 4N6907107A, continue with Technical Information '9X00IN
Re-programming control units for assistance systems - variant A', Perform Procedure 1.
•
For 4N6907107Bor 4N6907107C, continue with Technical Information '9X00IN
Re-programming control unit for assistance systems - variant B or variant C', Perform
Procedure 2.
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Re-programming control units for assistance systems - variant A
Work Procedure: 1
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 control unit programming during this campaign, see the table
below:
Required PIWIS Tester software version:
38.400.020 (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:
Z9B4D
Programming sequence:
Once the update has started, the PCM is restarted
and the individual components and modules are then
updated.
Read and follow the information and instructions
on the PIWIS Tester during the guided
programming sequence.
The assistance system control unit is
re-programmed during the programming
sequence.
Do not interrupt programming and coding.
Programming time (approx):
65 – 100 minutes*
* The time required for the update depends on the
respective vehicle equipment.
Software version programmed during this
campaign:
0291
Following control unit programming, the software
version can be read out of the control unit for
assistance systems in the 'Extended identifications'
menu using the PIWIS Tester.
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"'.
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After programming the control unit for assistance systems variant A or A0, proceed as follows:
For vehicles with I-no. ER3 (North America), continue with Technical Information '9X00IN
Re-programming PCM'.
For vehicles without I-no. ER3, continue with Technical Information '9X00IN Performing software
update of various control units'
•
•
Re-programming control unit for assistance systems - variant B or variant C
Work Procedure: 1
Open the glove compartment and remove any inserted SD card from the SD card slot.
To do this, first press on the SD card to release it. Then, pull the SD card out of the card
slot.
NOTICE
Using the SD cards on vehicles that are not assigned to this campaign
•
Risk of damage to control unit
Use the specified SD cards only for the vehicles assigned to the campaign.
2
Depending on the variant of the control unit for assistance systems you read out earlier, insert the
relevant SD card for the assistance systems update into the SD card slot in such a way that the
bevelled edge of the SD card is at the front right.
Part No.
Designation
Assistance
systems variant
9Y0919866B
SD memory card for assistance systems
update
B
9Y0919866A
SD memory card for assistance systems
update
C
3
Perform assistance systems software update using the PIWIS Tester.
3.1
Select the Assistance systems control unit in the control unit selection screen ('Overview'
menu) and confirm your selection by pressing •F12“ ('Next').
3.2
Once the assistance systems control unit has been found and is displayed in the 'Overview',
select the 'Maintenance/repairs' menu.
3.3
Select the 'Software update' function and press •F12“ ('Next') to perform the software
update.
3.4
Confirm the information that is displayed by pressing •F12“ ('Next').
3.5
Press •F8“ ('Start') to start.
3.6
After checking the software data, programming starts automatically.
Once the update has started, the PCM is restarted and the individual components and
modules are then updated.
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The time required for the update depends on the respective vehicle equipment and
can be up to 30 minutes.
During the update, check the PIWIS Tester display and follow the instructions. The PCM is
restarted several times during the software update. The PCM screen remains dark for
up to 3 minutes.
3.7
Once the update has been performed successfully, a tick will appear in the Status column in
the 'Software update' field.
Press •F12“ ('Next') to confirm.
4
Open the glove compartment and remove the inserted SD card from the SD card slot.
5
Re-code assistance systems automatically.
5.1
Select the 'Assistance systems' control unit in the control unit selection screen ('Overview'
menu) and confirm your selection by pressing •F12“ ('Next').
5.2
Once the control unit for assistance systems has been found and is displayed in the
overview, select the 'Coding/programming' menu.
5.3
Select the 'Automatic coding' function
and press •F12“ ('Next') to start coding
Automatic coding.
5.4
When coding is complete, the message
“Coding has been completed successfully”
is displayed and a tick appears in the 'Status'
box.
If coding is not completed successfully
(error message “Coding was not completed
successfully”), coding must be repeated.
Automatic coding
5.5
When coding is completed successfully, continue by pressing •F12“ (‘Next’) to return to the
start page of the 'Codings/adaptations' menu.
5.6
Select the 'Overview' menu and press •F11“ ('Back') to return to the control unit selection
screen.
Once the control unit for assistance systems variant B and C has been programmed and coded, proceed
as follows:
•
•
For vehicles with I-no. ER3 (North America), continue with Technical Information '9X00IN Vehicles
with I-no. ER3: Re-programming Porsche Communication Management (PCM)'.
For vehicles without I-no. ER3, continue with Technical Information '9X00IN Performing software
update of various control units'.
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Vehicles with I-no. ER3: Re-programming Porsche Communication Management (PCM)
Work Procedure: 1
2
Read out the current Porsche Communication Management (PCM) software version.
1.1
Select the PCM 5.0 control unit in the control unit selection screen ('Overview' menu) and
press •F12“ ('Next') to confirm your selection.
1.2
Once the control unit has been found and is displayed in the 'Overview', select the 'Extended
identifications' menu.
1.3
Read out the value in the 'Identification' column under "Software version".
•
If the software version is 2483, continue with Step 2.
•
For all other software versions, no PCM 5.0 software update is necessary. In this case,
continue with Technical Information '9X00IN Performing software update of various
control units'.
Open the glove compartment and remove any inserted SD card from the SD card slot.
To do this, first press on the SD card to release it. Then, pull the SD card out of the card slot.
NOTICE
Using the SD cards on vehicles that are not assigned to this campaign
•
Risk of damage to control unit
Use the specified SD cards only for the vehicles assigned to the campaign.
3
Part No.
Designation
– Region
Vehicle assignment
9Y0919360D
SD memory card for PCM update
– North America
I-no. ER3
4
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Insert SD card for the PCM update into the SD card slot in such a way that the bevelled edge of
the SD card is at the front right.
Start the PCM 5.0 software update using the PIWIS Tester.
4.1
Select the PCM 5.0 control unit in the control unit selection screen ('Overview' menu) and
press •F12“ ('Next') to confirm your selection.
4.2
Once the PCM 5.0 control unit has been found and is displayed in the 'Overview', select the
'Maintenance/repairs' menu.
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4.3
Select the 'Install software update' function
and press •F12“ ('Next') to perform the
software update Installing PCM 5.0
software update.
4.4
Confirm the information that is displayed by
pressing •F12“ ('Next').
4.5
After meeting the preconditions, confirm
by ticking the 'Status' column. Then, press
•F12“ ('Next') to continue.
4.6
Enter the programming code M2T4V in
the relevant column Entering PCM 5.0
programming code and press •F12“ ('Next')
to confirm Entering PCM 5.0 programming
code.
4.7
Press •F8“ ('Start') to start.
4.8
After checking the software data, press
•F8“ ('Start') to start programming.
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Installing PCM 5.0 software update
Entering PCM 5.0 programming code
Once the update has started, the PCM is
restarted in the Update menu and the individual components are then updated.
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TSB/Document ID: 122-V7Z9N-07
Replacement Service Bulletin Number:
MFR Communication Date: 2019-06-18
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:APPLIANCE:AIR CONDITIONER
MFR Component System:
MFR Component Subsystem:
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