No. 192-20 Service Bulletin/Repair Instructions

Service
Technical Information
192/20 ENU
9198
9
Complaint - Over the Air (OTA) software update failed: Observe specified procedure

(192/20)

Change overview:

Version
Date
Change
0
06/29/2021
•
First publication
1
03/10/2022
•
Content Update
2
07/21/2022
•
“Invoicing” section adjusted
Model Series:
Taycan (Y1A)
Model Year:
As of 2020
Concerns:
All OTA (Over the Air) enabled control units
Information:
The Over the Air (OTA) software update failed and an error message appears in the central display of the

Porsche Communication Management (PCM).

Information

Please also pass the information about the procedure 'Perform software update in Update Center' on to

your sales staff in order to inform the customer about this if necessary.
Action required: Perform the relevant remedial action as described in the error message:

Error message
Remedial action
'The online software update could not be

performed. The vehicle condition is unchanged.'
Perform software update again in the Update

Center  Technical Information 'Performing

software update in the Update Centre'.
'The online software update could not be

performed. This may cause function restrictions.'
Perform software update using the PIWIS Tester

 Technical Information 'Performing software

update in the PIWIS Tester'.
AfterSales
Jun 21, 2021

Page 1 of 10
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Service
Technical Information
ENU 192/20
9198
Performing a software update in the Update Center

Information

The following prerequisites must be met for a software update:

•
Porsche ID active
•
Online software update service activated in MyPorsche
•
Privacy mode deactivated in the vehicle (flight mode)
•
Privacy mode service-specifically deactivated (flight mode)
•
High-voltage battery is not being charged
•
Vehicle plug removed from vehicle charge port
•
All electrical loads (e.g. parking pre-climatization) switched off
Work Procedure: 1
Jun 21, 2021

Page 2 of 10
Close vehicle doors.
2
Establish readiness for operation.
3
Activate the parking brake.
4
Move selector lever to position 'P'.
5
Press and hold the power button (approx. 1 second) to end readiness for operation.
6
Select the menu item 'Online software update available'  Menu item 'Online software update

available' -1- in the Update Center.
AfterSales
Service
Technical Information
192/20 ENU
9198
9
Menu item 'Online software update available'

7
Press the 'Install now'  'Install now' button -1- button.
AfterSales
Jun 21, 2021

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Technical Information
ENU 192/20
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'Install now' button

8
Get out and lock the vehicle.
9
Keep the driver's key outside of the transmitter range.
Performing software update using the PIWIS Tester

Information

•
The error message 'Update failed – vehicle functions restricted' also appears in the instrument

cluster.
•
The error message 'Update failed' appears in the Notification Center.
•
The entry ' B199AF0 Online Remote Update – software version inconsistent (A02000)' is stored in

the fault memory of the Over the Air (OTA) control unit.
Required tools

Tool:
Jun 21, 2021

Page 4 of 10
•

•
9900 - PIWIS Tester 3 with current PIWIS Tester software version.

Battery charger with a rated current of at least 90 A, e.g. VAS 5908 battery charger 90A.
AfterSales
Service
Technical Information
192/20 ENU
9198
9
Preparatory work

NOTICE

Fault entry in the fault memory and control unit programming aborted due to low voltage.

•
Increased current draw during diagnosis or control unit programming can cause a drop in voltage, which

can result in one or more fault entries and the abnormal termination of the programming process.

Before starting control unit programming, connect a suitable battery charger with a current rating of at

least 90 A to the vehicle.

NOTICE
Control unit programming will be aborted if the WLAN connection is unstable.

•
An unstable WiFi connection can interrupt communication between the PIWIS Tester and the vehicle

communication module (VCI). As a result, control unit programming may be aborted.

During control unit programming, always connect the PIWIS Tester to the vehicle communication module

(VCI) via the USB cable.

NOTICE
Control unit programming will be aborted if the driver's key is not recognized

•
If the driver's key is not recognized in the vehicle, programming cannot be started or will be interrupted.

Place the driver's key with the back facing down into the front left storage compartment in the center

console to guarantee a continuous radio link between the vehicle and the driver's key.
Work Procedure: 1
Place the driver's key with the back facing down

into the front left storage compartment in the center

console (emergency start tray) to guarantee a

continuous radio link between the vehicle and the

driver's key  Emergency start tray.
2
Carry out general preliminary work for control unit

programming as described in  Workshop Manual

'9X00IN Basic instructions and procedure for control

unit programming – section on "Preliminary work"'.

Emergency start tray
Resetting error messages

Work procedure: 1
Start diagnostics.
AfterSales
Jun 21, 2021

Page 5 of 10
9
Service
Technical Information

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