PIWIS2401c Service Bulletin/Repair Instructions

Special Tools and Equipment Information
PIWIS 2401c USA Only
Porsche Tester IV Online Update 42.400.055

Vehicle Type:
All
Subject:
Porsche Tester IV Online Update 42.400.055
Information:
Important!

This software is only intended for use on Porsche Tester IV.

Note!

Regarding handling of the proprietary Porsche Tester IV software, we refer to Article 6 - “Transfer for use and assigned

of rights of use” - of the Porsche PT4G Purchase and License Agreement, in particular the ban on duplicating the software or making it available to third parties.

Caution!

Download must not be interrupted!

Important!

During the entire update process, the Porsche Tester IV must not be disconnected from the power supply!

Installation of the software update via Online Update
AfterSales
Jan 23, 2024

Page 1 of 5
Special Tools and Equipment Information
PIWIS 2401c USA Only
Porsche Tester IV Online Update 42.400.055
Porsche Tester IV Online Update

Porsche Tester IV

Designation:
Porsche Tester IV Online Update 42.400.055
Part Number:
N/A
Tool Number:
N/A
Use:
Update of Porsche Tester IV
Price:
Free of charge, included in the annual usage fee for Porsche

Tester licenses.
AfterSales
Jan 23, 2024

Page 2 of 5
Special Tools and Equipment Information
PIWIS 2401c USA Only
Porsche Tester IV Online Update 42.400.055

Work

Procedure:
Installation of the software update via Online Update

Important!

The download process must be started by user once an online connection is available.

Select “Update” in the “Tools” menu to view the current update availability status. If an update is shown, select “Start

Download”. Installation of the releases must be started manually after the download has completed by pressing the

“Start installation” button. Prerequisite: PPN Porsche Tester License registration must have been carried out successfully.

1.

2.
Connect Porsche Tester IV to an external power supply and start it.

Start installation using menu item “Tools - Update” then select “Start Installation” on the Porsche Tester 4

user interface.
3.

4.
After successful installation, Porsche Tester IV will need to restart.

After the restart the update has now been completed.
AfterSales
Jan 23, 2024

Page 3 of 5
Special Tools and Equipment Information
PIWIS 2401c USA Only
Porsche Tester IV Online Update 42.400.055

Porsche Tester IV Update Release History

Release
Date
42.300.000
10/13/2023
42.300.005
10/17/2023
42.300.010
10/20/2023
42.300.015
10/24/2023
42.300.020 & .022
10/27/2023
42.300.030, .031 & .032
11/03/2023
42.300.035
11/07/2023
42.300.040 & .041
11/10/2023
42.300.050 & .052
11/17/2023
42.400.000 & .010
12/01/2023
42.400.020 & .022
12/08/2023
42.400.025
12/13/2023
42.400.030 & .032
12/15/2023
42.400.034
12/20/2023
42.400.037
12/27/2023
42.400.038 & .040
1/12/2024
42.400.050 & .051
1/19/2024
42.400.055
1/23/2024
Further information:

•

PT4G testers can only be updated from the current software level.

•

PT4G testers cannot be backdated or targeted for a specific older software level.

•

If a software restore is to be performed, the tester will install the most current software release available.

•

When a new update is installed, only the objects that have been added/changed are installed to save time

during the update process.

Online update, Fazit, PPN access and VAL data transfer:

The “Online Update”, “Fazit Access”, “PPN Access” and “VAL Data Return” functions can only be run if the network

settings and any proxy settings that are used were set correctly and if a valid PT4G device certificate was created

successfully for the Porsche Tester 4 being used for access. The user must have PPN access and must be allocated to

the device certificate.
AfterSales
Jan 23, 2024

Page 4 of 5
Special Tools and Equipment Information
PIWIS 2401c USA Only
Porsche Tester IV Online Update 42.400.055

General

Information:
Ordering process:

Tools identified with a prefix of VAS, VAG and T:

Place orders via porsche.snapon.com.

Tools with a prefix of 000 721, 918 721, PNA or P:

Place orders via POLARIS (PPL).

Diagnostic Equipment:

Open a PRMS ticket. Technical Support >> Tester Support
Special Tool Support:

For questions related to VAS, VAG, and “T” tools:

Contact SBS customer care at 1-855-895-2013 or [email protected].

For Polaris numbers 000.721, 918.721, PNA and “P” tools:

Open a PRMS ticket. Technical Support >> Special Tools

Diagnostic Equipment:

Open a PRMS ticket. Technical Support >> Tester Support
Workshop Equipment Classification

Servicing and maintenance

Replacement of units and assemblies

Disassembly of units and assemblies

Rental

Body & Paint

High-voltage
© 2024 Porsche Cars North America, Inc.
AfterSales
Jan 23, 2024

Page 5 of 5

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This product presentation was made with AAWP plugin.

Last update on 2026-05-12 / Affiliate links / Images from Amazon Product Advertising API

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