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WF62 Re-coding Instrument Cluster (Workshop Campaign)

Important:

CRITICAL WARNING - This campaign includes steps where control unit(s) in the vehicle will be
programmed with the PIWIS Tester. The vehicle voltage must be maintained between 13.5 volts and 14.5
volts during this programming. Failure to maintain this voltage could result in damaged control unit(s).
Damage caused by inadequate voltage during programming is not a warrantable defect. The technician
must verify the actual vehicle voltage in the PIWIS Tester before starting the campaign and also document
the actual voltage on the repair order. Please refer to Equipment Information EQ1401 for a list of suitable
battery chargers/power supplies which should be used to maintain vehicle voltage.

Model Year:

As of 2015 up to 2016

Vehicle Type:

Boxster (981)/Boxster S (981)/Boxster GTS (981)
Cayman (981)/Cayman S (981)/Cayman GTS (981)

Equipment:

•
•
•
•

Concerns:

Comfort tire pressure for 20-inch wheels on the rear axle

Information:

This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. The nominal
value for the comfort tire pressure on the rear axle was coded 7 psi (0.5 bar) too high in the
instrument cluster on the affected vehicles due to an error in the coding rule.

20-inch Carrera S wheel (I-no. 423)
20-inch Carrera Classic wheel (I-no. 427)
20-inch 911 Turbo wheel (I-no. 429)
20-inch SportTechno wheel (I-no. XRT)

As a result, when the "Comfort pressure" function is selected, the driver is prompted to adapt the tire
pressure to the nominal value, which is too high, instead of reducing the tire pressure to the correct
comfort tire pressure for greater comfort.
Action
Required:

Re-code instrument cluster.
Information
When the instrument cluster is re-coded, the individual settings implemented in the instrument cluster
by the customer will be lost and are reset to the default values of the country version that applies to
the vehicle.
After carrying out the campaign, therefore, please inform your customers that personal settings
they have implemented in the instrument cluster will have to be set again and provide them with any help
and support they need for setting the relevant options.
This affects the following settings in the Vehicle menu, for example:
•

Lowering of exterior mirror on passenger’s side during parking manoeuvres

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•

Locking settings

•

Light & Visibility settings

•

Units (kilometers/miles, Celsius/Fahrenheit, ...)

•

Language

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 1,352 vehicles in North America.

Tools:

•
•

Claim
Submission:

See Attachment “A”.

9818 - PIWIS Tester II with PIWIS Tester test software version 15.800.000 (or higher) installed.
Battery charger with a current rating of at least 70 A, e.g. VAS 5907 - Battery charger 70A

Preliminary work
NOTICE
Coding will be aborted in the event of low voltage.
•

Increased current draw during diagnosis can cause a drop in voltage, which can result in one or more fault
entries and the abnormal termination of the coding process.



Before commencing work, connect a suitable battery charge or power supply - suitable for AGM Type
batteries, recommended current rating of 70A fixed voltage 13.5V to 14.5V to the jump-start terminals in
the engine compartment.
NOTICE

Coding 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, coding 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 coding will be aborted if the vehicle key is not recognized
•

If the vehicle key is not recognized in vehicles with Porsche Entry & Drive, coding cannot be started or will
be interrupted.



Switch on the ignition using the original vehicle key. To do this, replace the dummy key in the ignition lock
with the original vehicle key if necessary.

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Work Procedure: 1

Connect a battery charger with a current rating of at
least 70 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.

2

Switch on the ignition using the original driver's
key.
To do this, replace the control unit in the ignition lock
with the original driver's key if necessary.

3

9818 - PIWIS Tester II with software version
15.800.000 (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.

4

External power connection
On the PIWIS Tester start screen, call up the  'Diagnostics' menu and select the vehicle type  'Boxster/Cayman'  '981'.

9

The diagnostic application is then started and the control unit selection screen is populated.

Re-coding instrument cluster
Information
The procedure described here is based on the PIWIS Tester II test software version 15.800.000.
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

Select  'Instrument cluster' in the control unit
selection screen ( 'Overview' menu) and press
•>>“ to confirm your selection  Control unit
selection – Instrument cluster.

2

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.

3

Press •>>“ to acknowledge the message informing
you that campaigns for the vehicle are stored in the
PIWIS information system.

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Control unit selection – Instrument cluster

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4

Once the instrument cluster has been found and is displayed in the overview, select the 
'Codings/adaptations' menu.

5

Select the  'Automatic coding' function and
press •>>“ to start coding  Instrument cluster Automatic coding.

Instrument cluster - Automatic coding
6

When coding is complete, the message “Coding has
been completed successfully” is displayed and a tick
appears in the 'Status' box  Coding successful.
If coding is not completed successfully (error
message "Coding was not completed successfully"),
coding must be repeated.

7

8

Once coding has been completed successfully,
press •>>“ to return to the start page of the 
'Codings/adaptations' menu.

Coding successful

Select the  'Overview' menu and press •