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Technical Information
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WE86 - PCM With XM Radio: Performing Software Update (Workshop Campaign)
Important:
CRITICAL WARNING - THIS CAMPAIGN INCLUDES STEPS WHERE SEVERAL CONTROL UNITS IN
THE VEHICLE WILL BE PROGRAMMED WITH THE PIWIS TESTER. IT IS CRITICAL THAT THE VEHICLE
VOLTAGE BE BETWEEN 13.5 VOLTS AND 14.5 VOLTS DURING THIS PROGRAMMING. OTHERWISE, THE
PROGRAMMING COULD FAIL RESULTING IN DAMAGED CONTROL UNITS. CONTROL UNITS DAMAGED BY
INADEQUATE VOLTAGE WILL NOT BE COVERED UNDER WARRANTY. THE TECHNICIAN MUST VERIFY THE
ACTUAL VEHICLE VOLTAGE IN THE INSTRUMENT CLUSTER OR IN THE PIWIS TESTER BEFORE STARTING
THE CAMPAIGN AND ALSO DOCUMENT THE ACTUAL VOLTAGE ON THE REPAIR ORDER. IT IS ALSO
ADVISABLE TO MONITOR THE VEHICLE VOLTAGE DURING THE PROGRAMMING VIA THE INSTRUMENT
CLUSTER. PLEASE REFER TO EQUIPMENT INFORMATION EQ-1105 FOR A LIST OF SUITABLE BATTERY
CHARGERS/POWER SUPPLIES WHICH SHOULD BE USED TO MAINTAIN VEHICLE VOLTAGE.
Model Year:
2015
Model Line:
911 Carrera (991)
Country/Market:
USA (C02)
Equipment:
•
•
Concerns:
Porsche Communication Management (PCM) 3.1
Information:
This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. In the event
of faulty transmission of XM data by the satellite radio operator, there is a possibility that significantly more data than usual will be sent at times.
SAT radio reception XM (I-no. 686)
HD and SAT radio reception (I-no. 690)
As a result, the amount of data sent can no longer be processed by PCM and cyclical restarts of the PCM
system can then occur continuously.
Action
Required:
Update PCM software in order to make the system more robust and resistant to faulty transmission of XM
data and prevent malfunctions in the PCM system resulting from this.
Information
It takes approx. 20 - 40 minutes in total to update PCM 3.1, depending on vehicle type and
equipment.
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. This campaign affects 104 vehicles in North America.
2015© Porsche Cars North America, Inc.
AfterSales
Feb 19, 2015
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Technical Information
PCM 3.1 Update CD 05/2014 (WKD 95280015)*
Battery Charger/Power Supply - Suitable for AGM Type batteries, recommended current rating of
70A fixed voltage 13.5V to 14.5V. Refer to Equipment Information EQ-1105.
*The Update CD is required once for each Porsche Dealer and is usually already available in the
Porsche Dealership..
Only order the Update CD if it is not already available.
Information
If cyclical restarts of the PCM system have already occurred as a result of faulty transmission of data by
the satellite radio operator, the data must first be deleted before starting the PCM update. To do this, the
following requirements must be met …
Requirements:
• File: Dbase_Reset.zip -- AVAILABLE ON PPN: https://ppn.porsche.com/portal/docs/DOC-65356
• USB stick or blank CD-R
• PIWIS Tester II
Procedure: /
1. Ensure the USB drive has no data on it.
2. Extract the zip file: DBase_Reset.zip
3. Open the new folder and copy the contents from the folder directly to the USB drive. The USB drive
should now have several files and a folder on it:
HEADUNIT — File folder
HBUPDATE.DEF — DEF file
pcm_update.disc — DISC file
PCM31LOW400.def — DEF file
PCM31RDW200.def — DEF file
PCM31RDW300.def — DEF file
PCM31RDW400. def — DEF file
4. Enable the Developer Menu via the PIWIS Tester II:
> Select PCM >> Drive links checks >> Developer Menu
> Specify a time period (e.g. 1 day)
> Save with [F8]
> Exit the diagnostic application and disconnect the tester
5. Insert the USB drive into the vehicle’s multimedia interface
6. On the PCM, select [Source] and [Map] simultaneously
7. Scroll down the list and select [01 Start USB – Software Update]
8. Confirm the update selection
9. Allow the update to run normally - This takes approximately 30 seconds
Note: If the vehicle is not equipped with a Multimedia Interface, the files can be copied to a CD-R instead
of USB. The CD-R can be run in the PCM.
Labor: 9110 2599: Programming PCM display and operator control unit; Labor time 20 TU
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NOTICE
Abnormal termination of PCM software update in the event of low-voltage.
•
Increased current draw during the software update can cause a drop in voltage, which can result in the
abnormal termination of the software update and malfunctions in the PCM system.

Before commencing work, connect a suitable battery charger or power supply, suitable for AGM type
batteries, recommended current rating of 70A fixed voltage 13.5V to 14.5V.
Work
Procedure:
See Attachment “A”.
Claim
Submission:
See Attachment “B”.
Attachment "A": Work Procedure
1
Connect a battery charger or power supply, suitable for AGM type batteries, recommended current
rating of 70A fixed voltage 13.5V to 14.5V.
2
Then unplug any devices connected to the media interface or any removable data storage
media (e.g. USB stick, hard drive, etc.).
3
Switch on the ignition using the original driver's key.
4
Switch on PCM 3.1.
5
If there is a CD in the PCM 3.1 system, remove it.
For devices with a CD/DVD autochanger, remove all CDs from the autochanger.
6
Insert PCM 3.1 Update CD 05/2014 (WKD 95280015) in the CD slot.
For devices with a CD/DVD autochanger, press the Eject button to do this. In the CD/DVD
autochanger menu that appears, select an empty magazine compartment (e.g. compartment
1) and insert the PCM 3.1 Update CD 05/2014 in the CD slot.
Information
The message "Medium cannot be played" may be displayed briefly after you insert the Update CD. It can
take up to 3 minutes to load the Update CD, depending on the PCM 3.1 software version.
The update then starts automatically. The message "Loading update" and a progress bar are then
displayed.
7
Acknowledge the message “Avoid interrupting the update process. Interrupting the update can
result in malfunctions in the PCM system".
2015© Porsche Cars North America, Inc.
AfterSales
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Information
If the software update is interrupted or if error messages are displayed (e.g. as a result of read errors, a
scratched CD, etc.), the update must be repeated.
8
Select 'Yes' to confirm the "Perform update?" query.
A progress bar appears showing how the update process is progressing. The PCM 3.1 system is
restarted. Several modules will be updated during the update process.
The total time required for the PCM update is approx. 20 - 40 minutes, depending on
vehicle type and equipment.
Information
When the update process is complete and the PCM system has been reset, it can take up to 30 seconds
for the message confirming the successful completion of the update process to be displayed.
9
When the update process is complete, confirm the message “System updated successfully”.
Information
The PCM 3.1 Update CD 05/2014 will be ejected automatically from the CD slot when the update is
complete.
10 Then remove PCM 3.1 Update CD 05/2014 from the CD slot.
11 Re-insert any CDs you removed from the device and plug the devices you unplugged back into the
media interface.
12 Switch off the battery charger and disconnect it from the vehicle.
13 On vehicles with Porsche “Entry & Drive”, replace the original driver's key in the ignition lock with the
control unit again.
14 Enter the workshop campaign in the Warranty and Maintenance booklet.
Attachment "B": Claim Submission - Workshop Campaign WE86
Warranty claims should be submitted via WWS/PQIS.
Open campaigns may be checked by using either the PIWIS Vehicle Information system or through PQIS
Job Creation.
Labor, parts, and sublet will be automatically inserted when Technician is selected in WWS/PQIS. If
necessary, the required part numbers will need to be manually entered into warranty system by the dealer
administrator.
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Working time:
Labor time: 13 TU
Performing PCM update
Includes:
Connecting and disconnecting battery charger
 Damage code WE86 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. If a particular condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your authorized Porsche Dealer for the latest information
about whether a particular technical bulletin applies to your vehicle. Part numbers listed in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify the current and
correct part numbers. 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.
© 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®, Macan®, Panamera®, Speedster®, Spyder®, 918 Spyder®, Tiptronic®, VarioCam®, PCM®, PDK®, 911®, RS®, 4S®, FOUR, UNCOMPROMISED®, and the model numbers and the
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Porsche Cars North America, Inc. believes the specifications to be correct at the time of printing. Specifications, performance standards, standard equipment, options, and other elements shown are
subject to change without notice. Some options may be unavailable when a car is built. Some vehicles may be shown with non-U.S. equipment. The information contained herein is for internal authorized
Porsche dealer use only and cannot be copied or distributed. Porsche recommends seat belt usage and observance of traffic laws at all times.
Printed in the USA
2015© Porsche Cars North America, Inc.
AfterSales
Feb 19, 2015
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