No. 106-25-2 Service Bulletin/Repair Instructions

Service
Technical Information
106/25 ENU
9025
9
User Settings in the Instrument Cluster for Route Guidance/Route Notes are Not Permanently Saved

(106/25)

Model Line:
911 (992)

Panamera (YAA/YAB)

Cayenne (9YA/9YB)
Model Year:
2026
Concerns:
Instrument cluster
Situation:
The customer complains that user settings for route guidance/route notes are not permanently saved and

must be entered again after each ignition change.
Action:
In the event of a customer complaint, re-program the instrument cluster control unit using the Porsche

Tester.

Information

The minimum programming requirement is the Porsche Tester software release:43.800.000 (or higher).
Model Line:
Taycan (Y1A/Y1B/Y1C)
Concerns:
Instrument cluster
Situation:
The customer complains that user settings for route guidance/route notes are not permanently saved and

must be entered again after each change in readiness for operation.
Action:
In the event of a customer complaint, re-program the instrument cluster control unit using the Porsche

Tester.

Information

The minimum programming requirement is the Porsche Tester software release:43.800.000 (or higher).
Required tools

Tool:
•

•
P90999 - Porsche Tester 4

Battery charger with a current rating of at least 90 A and a current and voltage-controlled charge map

for lithium starter batteries, e.g., VAS 5908 battery charger 90 A. For further information about the

battery chargers to be used, see the corresponding Workshop Manual. ⇒ Workshop Manual '270689

Charging vehicle electrical system battery'
AfterSales
Jan 12, 2026

Page 1 of 5
9
Service

9025
ENU
Technical Information
106/25
Re-programming the instrument cluster control unit

Work Procedure: 1
Re-programming the instrument cluster control unit.

The basic work 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'

Specific information on control unit programming during this action:

Required Porsche Tester software release:
43.800.000 (or higher)
Type of control unit programming:
Control unit programming using the ‘Automatic

programming’ function of the control unit:

‘Instrument cluster’ control unit –

‘Coding/programming’ menu – ‘Automatic

programming’ function.
Programming sequence:
Read and follow the information and instructions

on the Porsche Tester during the guided

programming sequence.

During the programming sequence, the control

unit is re-programmed and then automatically

re-coded.

Do not interrupt the programming and coding

process.

Backup documentation for the re-programmed

software releases starts after programming.
Programming duration:
Programming takes up to 25 minutes, depending

on equipment.
Software programmed during this action:
• Instrument cluster control unit

Software release: 0331 (or higher)

Following control unit programming, the software

release can be read out from the respective control

unit using the Porsche Tester in the menu ⇒

‘Extended identifications’.
2
Jan 12, 2026

Page 2 of 5
Procedure in the event of error messages

appearing during the programming sequence:
⇒ Workshop Manual '9X00IN Basic instructions

and procedure for control unit programming using

the PIWIS Tester'
Procedure in the event of abnormal termination

of control unit programming:
Repeat control unit programming by restarting

programming.
Read out and delete all control unit fault memories.
AfterSales
Service
Technical Information

3
106/25 ENU
9025
9
Press •F3“ to start the integration test in the control unit selection.

If there is an integration deviation for individual control units, these must be programmed before vehicle

handover to the customer.

Information

If, despite the programming performed, a deviation is still displayed during the integration test, the test

must be carried out again.

There must be no breaches of integration!

Control units with optional software can be ignored – with the exception of the instrument cluster

control unit.
4
Exit the diagnostic application, switch off the ignition and disconnect P90999 - Porsche Tester 4 from

the vehicle.
5
Switch off and disconnect the battery charger.
⇒ Workshop Manual '270689 Charging vehicle electrical system battery'
Labor position and PCSS encryption

Labor position:

APOS
Labor operation
90252542
Re-program instrument cluster
I No.
PCSS encryption:

Location (FES5)
90250
Instrument cluster
Damage type (SA4)
1612
at times not functioning
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.
©2026 Porsche Cars North America, Inc.
AfterSales
Jan 12, 2026

Page 5 of 5

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