NHTSA ID Number: 11001074
Manufacturer Communication Number: No. 73-24
TSB/Document Date: 2024-06-05
Summary
Technical information for an intermittent failure of displays in the instrument cluster - reprogramming and coding instrument cluster
Service
Technical Information
73/24
ENU
9025
9
Intermittent Failure of Displays in the Instrument Cluster - Re-Programming and Coding the
Instrument Cluster (73/24)
Model Line:
911 (992)
Model Year:
As of 2022 up to 2024
Concerns:
Instrument cluster
Cause:
If there is a very high data load on the instrument cluster due to many simultaneously active
processes, e.g. simultaneous utilization of navigation and map view, telephone function, radio
and display of active status messages, the displays in the instrument cluster may fail intermittently in very rare cases.
The tachometer continues to function and relevant warning messages are still displayed.
Action:
In the event of a customer complaint, re-program the instrument cluster control unit using the PIWIS
Tester.
Information
The minimum programming requirement is the PIWIS Tester software release: 42.700.005
Required Tools
Tools:
•
•
Battery charger, e.g.: VAS 5906 - Battery charger or VAS 5908 - battery charger 90A
P90999 - PIWIS Tester 4
Re-programming instrument cluster control unit
Work Procedure: 1
The basic procedure to program a control unit is described in the Workshop Manual Workshop
Manual '9X00IN Basic instructions and procedure for control unit programming using the PIWIS
Tester - section on “Programming”'.
Specific information on control unit programming as part of this Technical Information:
Required PIWIS Tester test software
release:
42.700.005 (or higher)
Type of control unit programming:
Control unit programming using the function
‘Automatic programming’ of the instrument
cluster control unit:
‘Instrument cluster’ control unit –
‘Coding/programming’ menu – ‘Automatic
programming’ function.
AfterSales
May 31, 2024
Page 1 of 3
9
Service
9025
ENU
Technical Information
73/24
Read and follow the information and instructions
on the PIWIS Tester during the guided
programming sequence.
During the programming sequence, the instrument
cluster control unit is re-programmed and then
automaticallyre-coded.
Programming sequence:
Do not interrupt the programming and coding
process.
Once the control units have been programmed and
coded, you will be prompted to switch the ignition off
and then back on again after a certain waiting time.
Backup documentation of the new software versions
is then performed.
Programming time (approx.):
55 – 110 minutes
Data record thus programmed for the
instrument cluster control unit:
Software release instrument cluster control unit:
0435 (or higher)
Following control unit programming, the software
release can be read out from the relevant control unit
using the PIWIS Tester in the menu “Incremented
identifications”.
2
May 31, 2024
Page 2 of 3
Procedure if error messages appear
during programming sequence:
Workshop Manual '9X00IN Basic instructions and
Procedure in the event of a termination in
the control unit programming:
Repeat control unit programming by restarting
programming.
procedure for control unit programming using the
PIWIS Tester - Section on “Troubleshooting”'
Read out and delete all control units fault memory.
2.1
In the control unit selection (‘Overview menu’) press •F7“ to call up the Additional menu.
2.2
Select the “Read all fault memories and delete if necessary” and press •F12“ (‘Next’) to
confirm.
3
End the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.
4
Switch off and disconnect the battery charger.
AfterSales
Service
Technical Information
73/24
ENU
9025
9
Labor position and PCSS encryption
Labor position:
I No.
APOS
Labor operation
90252590
Programming instrument cluster
PCSS encryption:
Location (FES5)
90250
Instrument cluster
Damage type (SA4)
1134
Programming error
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.
© 2024 Porsche Cars North America, Inc.
AfterSales
May 31, 2024
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TSB/Document ID: No. 73-24
Replacement Service Bulletin Number:
MFR Communication Date: 2024-05-31
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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