122-Z5F9U-06

Service
Technical Information
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WC27 Re-programming PDK Control Unit (Workshop Campaign)
Vehicle Type:
911 Carrera (991)/911 Carrera S (991)
Model Year:
2012
Concerns:
PDK control unit
Information:
This is to inform you of a voluntary Workshop Campaign on certain 911 Carrera (991) and 911 Carrera S
(991) vehicles.
The PDK control unit can sometimes be misdiagnosed on the affected vehicles due to a
software error if the engine is switched off in selector-lever positions “P” or “D” and is then
re-started again in selector-lever position “N”.
As a result, fault code “P1772 – Gear valve 2 stuck on pressure” is stored in the fault memory of the
PDK control unit and the PDK transmission switches to the reduced driving program until the ignition is
switched off and on again.
Action
Required:
Re-program the PDK control unit using a modified data record.
Information
Programming takes approx. 12 minutes to complete in total.
Affected
Vehicles:
The VIN(s) can be checked by using PIWIS Vehicle Information link to verify if the campaign affects the
vehicle. This Campaign is scope specific to the VIN! Failure to verify in PIWIS may result in an improper
repair.
Tools:
PIWIS Tester II 9818 with software version 10.500 (or higher) installed.
Battery charger HFL 65 1353 (current rating of 40 A).
Administrative
Procedure:
See Attachment “A”
Preliminary work
NOTICE
Fault entry in the fault memory and control unit programming aborted due to low voltage.
•
Increased current draw during diagnosis or control unit programming can cause a drop in voltage, which
can result in one or more fault entries and the abnormal termination of the programming process.
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Before starting control unit programming, connect a suitable battery charger with a current rating of at
least 40 A to the vehicle.
NOTICE
Control unit programming will be aborted if the Internet connection is unstable.
•
An unstable Internet connection can interrupt communication between PIWIS Tester II and the vehicle
communication module (VCI). As a result, control unit programming may be aborted.
⇒
During control unit programming, always connect PIWIS Tester II to the vehicle communication module
(VCI) via the USB cable.
NOTICE
Control unit programming will be aborted if the vehicle key is not recognized
•
If the vehicle key is not recognized in vehicles with Porsche Entry & Drive, programming cannot be started
or will be interrupted.
⇒
Switch on the ignition using the original vehicle key. To do this, replace the original vehicle key in the
ignition lock with the plastic key fob if it was previously removed at the start of this procedure.
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Technical Information
Work
Procedure:
1
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Connect a battery charger with a current rating of
at least 40 A.
First connect the positive cable of the charger
to the positive terminal of the battery and then
connect the negative cable of the charger to the
ground point for jump-lead starting ⇒ External
power connection.
External power connection
2
Switch on the ignition using the original vehicle key. On vehicles with "Porsche Entry & Drive", do
this by replacing the control panel in the ignition lock with the original vehicle key if necessary.
3
PIWIS Tester II 9818 with software version 10.500 (or higher) installed must be connected to the
vehicle communication module (VCI) via the USB cable. Then, connect the communication module
to the vehicle and switch on the PIWIS Tester.
Carrying out control unit programming
Work
Procedure:
Information
The procedure described here is based on the PIWIS Tester II software version 10.500.
The PIWIS Tester instructions take precedence and in the event of a discrepancy, these are the
instructions that must be followed. (e.g. A discrepancy may arise with later software versions)
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On the PIWIS Tester start screen, call up the ⇒ ’Diagnostics’ menu and select vehicle type ⇒
’911’ ⇒ ’991’.
The diagnostic application is then started and the control unit selection screen is populated.
2
Select the control unit ⇒ ’Transmission
control’ in the control unit selection screen (⇒
“Overview” menu) and press •>>“ to confirm
your selection.
Control unit selection - Transmission control
3
When the question “Create Vehicle Analysis Log (VAL)?” appears, either press •F12“ to create a
VAL or press •F11“ if you do not want to create a VAL.
4
Press •>>“ to acknowledge the message informing you that campaigns for the vehicle are
stored in the PIWIS information system.
5
Once the PDK control unit has been found, select the ⇒ ’Programming’ menu.
6
Select the ⇒ ’Automatic programming’
function and press •>>“ to confirm your
selection ⇒ Automatic programming.
Automatic programming
Information
During automatic programming of the PDK control unit, the DME control unit is also re-programmed
automatically.
The names of the control units to be programmed (in this case: PDK, DME) and the data record names,
Porsche part numbers and status are displayed.
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Press •F8“ (“Execute”) to start programming.
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Several bars, showing the progress of the programming process, appear consecutively during
programming.
The programming procedure runs automatically (programming takes approx. 12 minutes in total).
Do not interrupt programming.
When programming is complete, the message “Programming was completed successfully” will
be displayed.
Information
If programming is interrupted (e.g. due to a voltage drop or if communication is aborted, etc.) or if
programming could not be carried out successfully (error message “Programming unsuccessful”),
programming must be repeated.
8
Once programming is completed successfully, press •>>“ to continue.
9
Select the ⇒ ’Overview’ menu and press •<<“
to return to the control unit selection screen
⇒ Control unit selection.
Control unit selection
Carrying out control unit coding
Work
Procedure:
1
Select the control units ’DME’ and ’PDK’/’Transmission Control’ in the control unit selection
screen (⇒ ’Overview’ menu) and press •>>“ to confirm your selection.
2
Once the DME and PDK control units have been found and are displayed in the overview, select the
⇒ ’Codings/adaptations’ menu.
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Select the ⇒ ’Automatic coding’ function and
press •>>“ to start coding ⇒ Automatic coding.
Automatic coding
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.
4
Once coding is completed successfully, press •>>“ to continue.
5
Select the ⇒ ’Overview’ menu and press •<<“ to return to the control unit selection screen.
6
Switch off the ignition. Wait approx. 10 seconds and then switch the ignition back on again.
7
Restore communication between the PIWIS Tester and the vehicle.
Performing throttle valve adaptation
Work
Procedure:
1
Select the ’DME’ control unit in the control unit selection screen (’Overview’ menu) and press
•>>“ to confirm your selection.
2
Once the DME control unit has been found and is displayed in the overview, select the ⇒ ’Maintenance/repairs’ menu.
3
Select menu item ⇒ ’Adaptations’ and press
•>>“ to confirm ⇒ DME - Adaptations.
DME - Adaptations
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Comply with the displayed preconditions and
press •>>“ to confirm ⇒ Adaptations - preconditions.
Adaptations - preconditions
5
Select the ⇒ ’Throttle valve’ function so that
the corresponding text line turns blue and press
•F8“ to start throttle valve adaptation ⇒ Throttle
valve adaptation.
Throttle valve adaptation
6
Follow the instructions on the PIWIS Tester while throttle valve adaptation is being performed.
Once throttle valve adaptation is complete, a tick appears in the "Value" field on the PIWIS Tester
display.
If throttle valve adaptation is not completed successfully, adaptation must be repeated.
7
Press •F8“ (“Stop”) to end throttle valve adaptation.
8
Press •<<“ to return to the start page of the ⇒ ’Maintenance/repairs’ menu.
9
Select the ⇒ ’Overview’ menu and press •<<“ to return to the control unit selection screen.
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Reading out and erasing fault memory
Work
Procedure:
1
In the control unit selection screen (⇒ ’Overview’ menu), press •F7“ to call up the Additional
menu.
2
Select the function “Read all fault memories and
erase if required” and press •>>“ to confirm
⇒ Erasing fault memories.
The fault memories of the control units are read
out.
Erasing fault memories
3
Once you have read out the fault memories, delete the fault memory entries by pressing •F8“.
4
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.
Information
If the fault memories of individual control units (e.g. DME, PDK, etc.) cannot be erased, switch off the
ignition, disconnect the PIWIS Tester diagnostic connector from the diagnostic socket and lock the
vehicle using the vehicle key.
Wait for approx. 1 minute and then read out the fault memories of these control units again and erase the
fault memories separately.
If control units are found to have faults which cannot be erased and are not caused by control unit
programming, these faults must be found and corrected. This work cannot be invoiced under the
workshop campaign number.
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Once you have erased the fault memories, select
the ⇒ ’Overview’ menu and press •<<“ to return
to the control unit selection screen ⇒ Control unit
selection.
Control unit selection
Subsequent work
Wok Procedure: 1
Switch off the ignition.
2
Disconnect the PIWIS Tester from the vehicle.
3
On vehicles with Porsche “Entry & Drive”, replace the original vehicle key in the ignition lock with the
plastic key fob if it was previously removed at the start of this procedure.
4
Switch off and disconnect the battery charger.
5
Enter the workshop campaign in the Warranty and Maintenance booklet.
Attachment "A":
Administrative Procedure - Workshop Campaign WC27
Warranty claims should be submitted via WWS/PQIS.
Note: Open campaigns can be checked by using the PIWIS Vehicle Information link.
Labor, parts, and sublet will be automatically inserted when Technician is selected in WWS/PQIS.
Scope:
Working time:
Re-programming PDK control unit
Includes:
Re-programming DME control unit
Connecting and disconnecting battery charger
Connecting and disconnecting PIWIS Tester
Coding PDK and DME control unit
Performing throttle valve adaptation
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Labor time: 50 TU
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Reading out and erasing fault memory
Invoicing: ⇒ Damage code WC27 066 000 1
Important Notice: Porsche Cars N.A Technical Bulletins are intended for use by professional technicians, not a "Do-it-yourselfer." They are written to inform these technicians of conditions that may
occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Special tools may be required to perform certain operations identified in these bulletins. Use of tools
and procedures other than those recommended in these bulletins may be detrimental to the safe operation of your vehicle. Properly trained technicians have the equipment, tools, safety instructions
and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your Porsche Dealer for
information on whether your vehicle may benefit from the information. Part numbers listed in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify correct part
numbers.
© Porsche Cars North America, Inc.
Dealership
Distribution
Routing
Service Manager
_______
Shop Foreman
_______
Service Technician
________
_______
_______
_______
Asst. Manager
_______
Warranty Admin.
_______
Service Technician
________
_______
_______
_______
Dr. Ing. h.c. F. Porsche AG is the owner of numerous trademarks, both registered and unregistered, including without limitation the Porsche Crest®, Porsche®, Boxster®, Carrera®, Cayenne®,
Cayman™, Panamera®, Tiptronic®, VarioCam®, PCM®, 911®, 4S®, FOUR, UNCOMPROMISED.® and the model numbers and distinctive shapes of Porsche’s automobiles such as, the federally
registered 911 and Boxster automobiles. The third party trademarks contained herein are the properties of their respective owners. Some vehicles may be shown with non-U.S. equipment. Porsche
recommends seat belt usage and observance of traffic laws at all times.
Printed in the USA
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