Service

Technical Information

111/25 ENU

2797

High-Voltage Battery cannot be Charged / Fault Memory Entry “B200000” in the High-Voltage
Charger Control Unit (111/25)

2

Change overview
Release

Date

Change

0

01/15/2026

First publication

1

01/22/2026

Update of MY

Vehicle Type:

Panamera 4 E-Hybrid (971)
Panamera 4S E-Hybrid (971)
Panamera Turbo S E-Hybrid (971)

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
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
Charge battery and vehicle electrical system'

AfterSales

Jan 22, 2026
Page 1 of 5

2

Service
2797

Technical Information

ENU 111/25

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:

G2S3U

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-coded automatically.
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 22, 2026
Page 2 of 5

AfterSales

Service

Technical Information

111/25 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, R (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.
Read and follow the information and instructions
on the Porsche Tester during the guided
programming sequence.

Programming sequence:

During the programming sequence, the control
unit is re-programmed and then re-coded automatically.
Do not interrupt the programming and coding
process.

AfterSales

Jan 22, 2026
Page 3 of 5

2

Service

Technical Information

ENU 111/25

2797

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

Function not according to specification

Jan 22, 2026
Page 4 of 5

AfterSales

Service

Technical Information

111/25 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 22, 2026
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