I-no. ER5/ER6/ER7/ER8

6.3

Start the central computer (PCM) software update (sequence 4) using the PIWIS Tester.

6.4

Select the central computer (PCM) control unit in the control unit selection screen
('Overview' menu) and press •F12“ ('Next') to confirm your selection.

6.5

Once the PCM central computer control unit has been found and is displayed in the
'Overview', select the 'Maintenance/repairs' menu.

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6.6

Select the 'Install software update' function
and press •F12“ ('Next') to perform the
software update  Installing PCM 6.0
software update.

6.7

Confirm the information that is displayed by
pressing •F12“ ('Next').

6.8

After meeting the preconditions, confirm
by ticking the 'Status' column. Then, press
•F12“ ('Next') to continue.

6.9

Enter the programming code K4M4S in
the relevant column  Entering PCM 6.0
programming code and press •F12“ ('Next')
to confirm  Entering PCM 6.0 programming
code.

6.10

Press •F8“ ('Start') to start.

6.11

After checking the software data, press
•F8“ ('Start') to start programming.

Installing PCM 6.0 software update

Entering PCM 6.0 programming code
Once the update has started, the PCM is
restarted in the Update menu and the individual components are then updated.
The update can take up to 60 minutes.
Read and follow the instructions displayed on the PIWIS Tester during the update. The PCM is
restarted several times. The PCM screen remains dark for up to 3 minutes.
6.12

Once the update is complete, an overview is displayed showing processes that have been
completed successfully marked with a tick in the Status box. Press •F12“ ('Next') to
confirm.
Software versions programmed during this sequence
•

Central computer (PCM): 3397

Following control unit programming, the software version can be read out of the PCM central
computer control unit in the 'Extended identifications' menu using the PIWIS Tester.
6.13
7

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Open the armrest and remove the USB storage medium from the USB interface.

Re-code the loudspeaker booster and inductive charger for mobile devices (depending on
equipment).
7.1

Select the loudspeaker booster and inactive charger for mobile devices control units
in the control unit selection screen ('Overview' menu) and press •F12“ ('Next') to confirm.

7.2

Once both control units have been found and are displayed in the overview, select the
'Coding/programming' menu.

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7.3

Select the 'Automatic coding' function and press •F12“ ('Next') to start.

7.4

Once both door control units have been coded, select the 'Overview' menu to return to the
control unit selection screen.

Concluding work
WARNING
Electrically moved side windows and rear spoiler
•

Danger of limbs being trapped or severed

•

Risk of damage to components



Do not reach into the danger area.



Keep third parties away from the danger area.



Do not move components or tools into the danger area.

Work Procedure: 1

2

Establish bus idle for at least 15 minutes.
1.1

End operational readiness (switch off ignition).

1.2

Disconnect the PIWIS Tester diagnostic connector from the diagnostic socket.

1.3

Lock the vehicle using the driver's key and remove the driver's key from the proximity of the
vehicle (approx. 10 metres).

1.4

Unlock the vehicle again after waiting for at least 15 minutes.

1.5

Plug the PIWIS Tester diagnostic connector into the diagnostic socket again and restore
communication with the vehicle.

Manually retract the rear spoiler, which extended automatically during programming.
2.1

Select the 'Rear spoiler' control unit in the control unit selection screen ('Overview' menu)
and press •F12“ ('Next') to confirm.

2.2

Once the rear spoiler control unit has been found and is displayed in the overview, select the
'Maintenance/repairs' menu.

2.3

Select the function ‘Teach rear spoiler’ and press •F12“ (‘Next’) to confirm.

2.4

Read the instructions and confirm by pressing •F12“ ('Next').

2.5

Meet the displayed conditions that must be checked manually and tick the relevant 'Status'
box.

2.6

Select the Teach rear spoiler function and press •F8“ ('Execute') to confirm.

2.7

Once the rear spoiler has been taught and retracted fully, select the 'Overview' menu to
return to the control unit selection screen.

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Read out and erase the fault memories of all control units.
3.1

Press •F7“ in the control unit selection screen ('Overview' menu) to call up the Additional
menu.

3.2

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.

3.3

Once you have read out the fault memories,
check the fault memory entries.
Erasing fault memories
Information
If control units are found to have faults that
are not caused by control unit programming, these must first be found and corrected. This
work cannot be invoiced under the workshop campaign number.

3.4

Press •F8“ to delete fault memory entries.

3.5

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 fault memory entries for individual control units cannot be deleted, proceed as follows:

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•

End operational readiness (switch off ignition).

•

Disconnect the PIWIS Tester diagnostic connector from the diagnostic socket.

•

Lock the vehicle using the driver's key and remove the driver's key from the proximity of
the vehicle (approx. 10 metres).

•

Unlock the vehicle again after waiting for at least 15 minutes.

•

Restore operational readiness (switch on ignition).

•

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.

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Once you have erased the fault memories,
select the 'Overview' menu to return to the
control unit selection screen  Control unit
selection.

4

Create vehicle analysis log (VAL) using the PIWIS
Tester.
Mark the vehicle analysis log you have just created
with the attribute "Final VAL" and after carrying out
the campaign, return it using the PIWIS Tester.

5

End operational readiness (switch off ignition).

6

Disconnect the PIWIS Tester from the vehicle.

Control unit selection

Information
Connect the PIWIS Tester to a network as soon as possible and log into the PPN in order to transfer
the backup documentation created during this campaign to the PAG systems.
7

Switch off and disconnect the battery charger.

8

Enter the campaign in the Warranty and Maintenance booklet.

Warranty processing
Information
The specified working time was determined specifically for carrying out this campaign and includes all
necessary preliminary and subsequent work.
The working time may differ from the working times published in the Labor Operation List in the PCSS.

Information
Information on the working time:
Generally, the working time includes all work that requires the active participation of the service technician.
This also covers all required preliminary work and subsequent work.
The working time includes the following activities during control unit programming:
•

All required steps for starting or finishing programming

•

Required interaction during a programming sequence

•

Waiting times until programming starts

•

Random check of programming status

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If no further interaction by the service technician is required once control unit programming has started
because programming is performed automatically, there is no need for the service technician to remain
at the vehicle for the entire programming time.
These waiting times are not included in the working time if the total programming time is more than 15
minutes.
If programming takes up to 15 minutes, the full waiting time is included in the working time.

Scope 1:

Working time:
Updating software for various control units
Includes:
Connecting and disconnecting battery charger
Connecting and disconnecting PIWIS Tester
Standardising doors and power windows
Coding loudspeaker booster and inductive charger for
mobile devices
Retracting rear spoiler manually
Reading out and erasing fault memory
Creating vehicle analysis logs (VAL) before and after the
campaign

Labor time: 243 TU

 Damage Code WMA6 066 000 1

Overview of new features implemented by the software updates
Overview:

Function

Description

Charging

•
•

•

Chassis and driving comfort

•
•
•

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At-home charging is improved. Stability during charging is
improved and the timer charging function is further optimized.
Home charging with third-party charging equipment is improved.
Discharge of the 12-volt vehicle electrical system battery during
charging is prevented.
Calculation of the state of charge (SoC) of the high-voltage
battery is further optimized. Incorrect calculation of the state
of charge is avoided.
Starting comfort is further optimized.
Traffic sign recognition at double the time-dependent speed
limits is further improved.
Any personalized settings are retained, even after a bus idle and
account change.

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(instrument cluster)

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•
•

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The starting behavior and performance of the instrument cluster
are further improved.
Sporadic loading spinners and resets are avoided.
Various software optimizations prevent the sporadic display of
different error messages.
The functionality of the navigation system is optimized and
system stability is improved.
The starting behavior and performance of the central display are
improved.

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. Part numbers listed in these bulletins are for reference only. 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.

© 2021 Porsche Cars North America, Inc.

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