No. 15-23 Service Bulletin/Repair Instructions

Service
Technical Information
15/23
ENU
2797
High-Voltage Battery cannot be Charged / Fault Memory Entry “B200000” in the High-Voltage

Charger Control Unit (15/23)
2
Change Overview:

Version
Date
Change
1
05/19/2023
•
First publication
2
01/20/2026
•
Action revised
Vehicle Type:
Cayenne E-Hybrid (9YA/9YB)

Cayenne Turbo S E-Hybrid (9YA/9YB)
Model Year:
As of 2021 up to 2023
Equipment:
7.2 kW on-board AC charger (I-no. KB2)
Concerns:
High-voltage charger (on-board charger - OBC)
Information:
Customers complain that it is not possible to charge the high-voltage battery. The malfunction indicator light

is also activated in the instrument cluster.

One or both of the following fault memory entries is stored in the high-voltage charger control unit fault

memory:

•
B200000 - Control unit, function restriction (E11C11)
and / or

•

Action:
B200000 - Control unit, function restriction (E11C17)
In the event of an existing customer complaint, re-program the high-voltage charger control unit using the

Porsche Tester.

Information

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

Tools:
•

•
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

Charge battery and vehicle electrical system'
AfterSales
Jan 20, 2026

Page 1 of 5
2
Service

2797
ENU
Technical Information
15/23
Re-programming the high-voltage charger control unit - model year M (2021)

Work Procedure: 1
Re-program the high-voltage charger 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 ‘Campaign’

function in the Additional menu on the Porsche

Tester by entering a programming code.
Programming code:
E3S3U
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 re-codedautomatically.

Do not interrupt the programming and coding

process.

A backup documentation process for the

re-programmed software releases starts once

programming and coding is complete.
Programming duration:
Programming takes up to 8 minutes, depending on

equipment.
Software programmed during this campaign:
• High-voltage charger

Software release: 1192 (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’.
Jan 20, 2026

Page 2 of 5
AfterSales
Service
Technical Information
15/23
ENU
2797
2
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 the termination of

control unit programming:
Repeat control unit programming by re-entering

the programming code.
2
Read out and delete all control unit fault memories.
3
Exit the diagnostic application, switch off the ignition and disconnect P90999 - Porsche Tester 4 from

the vehicle.
4
Switch off and disconnect the battery charger.
⇒ Workshop Manual '270689 Charging the vehicle electrical system battery'
Re-programming the high-voltage charger control unit - model year N, P (2022, 2023)

Work Procedure: 1
Re-program the high-voltage charger 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:

‘High-voltage charger’ 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 re-codedautomatically.

Do not interrupt the programming and coding

process.
AfterSales
Jan 20, 2026

Page 3 of 5
2
Service

2797
ENU
Technical Information
15/23
A backup documentation process for the

re-programmed software releases starts once

programming and coding is complete.

Programming duration:
Programming takes up to 6 minutes, depending on

equipment.
Software programmed during this campaign:
• High-voltage charger

Software release: 1192 (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’.
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 the termination of

control unit programming:
Repeat control unit programming by re-entering

the programming code.
2
Read out and delete all control unit fault memories.
3
Exit the diagnostic application, switch off the ignition and disconnect P90999 - Porsche Tester 4 from

the vehicle.
4
Switch off and disconnect the battery charger.
⇒ Workshop Manual '270689 Charging the vehicle electrical system battery'
Labor position and PCSS encryption

Labor position:

APOS
Labor operation
I No.
27972549
Re-programming the high-voltage charger

PCSS encryption:
Location (FES5)
27970
High-voltage charger
Damage type (SA4)
1614
Programming error
Jan 20, 2026

Page 4 of 5
AfterSales
Service
Technical Information
15/23
ENU
2797
2
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 20, 2026

Page 5 of 5

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