122-B2R3T-10

Service
Technical Information
27/16
ENU
4316
4
Re-programming PASM Control Unit (Warning message "Chassis system failure" in
instrument cluster/SY2716)
Vehicle Type:
Panamera (970)
Model Year:
As of 2010 up to 2016
Equipment:
Air suspension with Porsche Active Suspension Management (I-no. 350 or 351)
Subject:
Control unit for Porsche Active Suspension Management (PASM)
Information:
There is increased friction in the air spring compressor valves at temperatures below –13° F
(–25° C).
This can result in a situation in which the maximum control current is not sufficient to actuate the valves.
As a result, a warning message will be displayed in the instrument cluster and Porsche Active Suspension
Management (PASM) will stop working temporarily.
Remedial
Action:
Re-program PASM control unit using the PIWIS Tester with software version 33.010.030 (PIWIS Tester 3)
or version 17.100.030 (PIWIS Tester II) or a higher software version installed.
NOTICE
Use of a PIWIS Tester software version that is older than the prescribed version
•
Measure is ineffective

Always use the prescribed version or a higher version of the PIWIS Tester software for control unit
programming.
Tools:
•
•
Battery Charger/Power Supply - Suitable for AGM Type batteries, recommended current rating of
70A fixed voltage 13.5V to 14.5V.
9900 - PIWIS Tester 3 with PIWIS Tester software version 33.010.030 (or higher) installed
or
•
9818 - PIWIS Tester II with PIWIS Tester software version 17.100.030 (or higher) installed.
Preparatory 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 battery charger or power supply, suitable for AGM
type batteries, recommended current rating of 70A fixed voltage 13.5V to 14.5V.
NOTICE
Control unit programming will be aborted if the Internet connection is unstable.
•
An unstable Internet connection can interrupt communication between PIWIS Tester and the vehicle
communication module (VCI). As a result, control unit programming may be aborted.

During control unit programming, always connect PIWIS Tester 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.
Work Procedure: 1
Carry out general preliminary work for control unit programming as described in  Workshop
Manual '9X00IN Basic instructions and procedure for control unit programming using the PIWIS
Tester'.
Re-programming PASM control unit
Information
The procedure described here is based on the PIWIS Tester II software version 17.100.030.
The PIWIS Tester instructions take precedence and in the event of a discrepancy, these are the
instructions that must be followed.
A discrepancy may arise with later software versions for example.
Work Procedure: 1
Re-program PASM control unit.
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 table
below.
NOTICE
Use of a PIWIS Tester software version that is older than the prescribed version
•
Measure is ineffective
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Always use the prescribed version or a higher version of the PIWIS Tester software for control unit
programming.
Required PIWIS Tester software version:
• PIWIS Tester 3:
33.010.030 (or higher)
• PIWIS Tester II:
17.100.030 (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:
L9H7K
Programming sequence:
Read and follow the information and instructions
on the PIWIS Tester during the guided
programming sequence.
During the programming sequence, the PASM
control unit is re-programmed and then
re-codedautomatically.
Do not interrupt programming and coding.
Programming time (approx):
5 minutes
Data record (Porsche part number)
programmed during this measure:
• 97061815519
• 97061815530
• 97061819030
The Porsche part number of the programmed data
record is vehicle-dependent and can be read out
of the PASM control unit in the  ‘Extended identification' menu using the PIWIS Tester following
control unit programming.
The Porsche part numbers specified above are the
currently valid part numbers.
Procedure in the event of error messages
appearing during the programming
sequence:
 Workshop Manual '9X00IN Basic instructions and
Procedure in the event of abnormal
termination of control unit programming:
Repeat control unit programming by entering the
programming code again.
procedure for control unit programming using the
PIWIS Tester - section on "Fault finding"'.
Reading out and erasing fault memory
Work Procedure: 1
Press •F7“ in the control unit selection screen ('Overview' menu) to call up the Additional menu.
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Select the function “Read all fault memories and
erase if required” and press •F12“ ('Next') to
confirm your selection  Erasing fault memories.
The fault memories of the control units are read out.
3
Once you have read out the fault memories, erase 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.
Erasing fault memories
The faults stored in the fault memories of the various control units are deleted.
Information
If fault memory entries for individual control units cannot be deleted, proceed as follows:
•
Switch off the ignition.
•
Disconnect the PIWIS Tester diagnostic connector from the diagnostic socket.
•
Lock the vehicle using the driver's key.
•
Wait approx. 1 minute before unlocking the vehicle again.
•
Start the engine, leave it running for a short time and then stop it again.
•
Switch off the ignition and wait approx. 10 seconds before switching it back on again.
•
Plug the PIWIS Tester diagnostic connector into the diagnostic socket again and restore
communication with the vehicle.
•
Read out the fault memory again and delete any fault memory entries that are stored.
If the control units still have faults that cannot be deleted 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.
5
Once you have erased the fault memories, select
the 'Overview' menu to return to the control unit
selection screen  Control unit selection.
Control unit selection
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Calibrating height sensors for the levelling system
Work Procedure: 1
2
Select the 'Levelling system/PASM' control unit in
the control unit selection screen ('Overview' menu)
and press •F12“ ('Next') to confirm your selection
 Selecting levelling system/PASM control unit.
Once the levelling system/PASM control unit has
been found and is displayed in the overview, select
the 'Maintenance/repairs' menu.
Selecting levelling system/PASM
control unit
3
Select the 'Height sensor system component
test' menu item and confirm your selection by
pressing •F12“ ('Next')  Height sensor system
component test.
Height sensor system component test
4
Read the displayed warning message and confirm
with •F8“ ('Yes'). Then press •F12“ (‘Next’) to
continue  Observing warning message.
Observing warning message
WARNING
Automatic lifting and lowering of the vehicle
•
Danger of limbs being trapped when working on the vehicle during the adjustment procedure.

The vehicle must stand freely and must not be jacked up.
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
Do not work on the vehicle.

Stay a safe distance away from the vehicle.
5
Observe the displayed preconditions. If these are met, a tick will appear in the relevant "Status" field
on the PIWIS Tester display  Starting component test.
Then press •F8“ ('Start') to start the component
test.
Starting component test
Once the component test has been carried out
successfully, a tick will appear in the "Status" field
for the component test on the PIWIS Tester display
 Component test successful.
If the component test is not completed successfully,
the test must be repeated.
6
Press •F8“ (‘Stop’) to exit the component test.
7
Calibrate the height sensors for the levelling system
 Workshop Manual '430115 Calibrating the
levelling system'.
Component test successful
Concluding work
Work Procedure: 1
Switch off the ignition.
2
Disconnect the PIWIS Tester from the vehicle.
3
Switch off and disconnect the battery charger.
4
On vehicles with Porsche Entry & Drive, replace the original vehicle key in the ignition lock with the
control panel again.
Invoicing
The work involved is invoiced under the labor operation:
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APOS
Labour operation
43162540
Programming PASM control unit
ENU
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I No.
For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)
43160
PASM control unit
Damage type (SA4)
9739
Software update for improved customer satisfaction
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.
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Routing
Service Manager
_______
Shop Foreman
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Service Technician
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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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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
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