TSTR2501bI Service Bulletin/Repair Instructions

Special Tools and Equipment Information
TSTR2501 bl USA Only
Porsche Tester IV OnlineUpdate43.800.0 24
Vehicle Type:
All
Subject:
Porsche Tester IV OnlineUpdate 43.800.0 24
Information:
Important!

This software is only intendedfor use on Porsche Tester IV.

Note!

Regarding handling of the proprietaryPorsche 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 beinterrupted!

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
Dec. 19, 2025

Page 1 of 5
Special Tools and Equipment Information
TSTR2501 bl USA Only
Porsche Tester IV OnlineUpdate43.800.0 24
Porsche Tester IV OnlineUpdate

Porsche Tester IV

Designation:
Porsche Tester IV OnlineUpdate 43.800.0 24
Part Number:
N/A
Tool Number:
N/A
Use:
Updateof Porsche Tester IV
Price:
Free of charge, included in the annualusage fee for Porsche

Tester licenses.
AfterSales
Dec. 19, 2025

Page 2 of 5
Special Tools and Equipment Information
TSTR2501 bl USA Only
Porsche Tester IV OnlineUpdate43.800.0 24
Work

Procedure:
Installationof the software updatevia OnlineUpdate

Important!

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

Select “Update”in the “Tools”menu to view the current update availabilitystatus. 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 success fully.

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
Dec. 19, 2025

Page 3 of 5
Special Tools and Equipment Information
TSTR2501 bl USA Only
Porsche Tester IV OnlineUpdate43.800.0 24
Porsche Tester IV Update Release History

Release
Date
43.600.050
9/15/2025
43.600.060
9/22/2025
43.600.070
9/29/2025
43.600.080
10/7/2025
43.600.085
10/9/2025
43.600.090
10/13/2025
43.700.000 & .005
10/20/2025
43.700.008, .010 & .011
10/27/2025
43.700.015
10/30/2025
43.700.018, .020 & .021
11/3/2025
43.700.027
11/6/2025
43.700.030 & .031
11/10/2025
43.700.035 & .040
11/17/2025
43.700.050
11/24/2025
43.700.055 & 43.800
12/2/2025
43.800.010
12/8/2025
43.800.020 & .022
12/17/2025
43.800.024
12/19/2025
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.

Onlineupdate,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
Dec. 19, 2025

Page 4 of 5
Special Tools and Equipment Information
TSTR2501 bl USA Only
Porsche Tester IV OnlineUpdate43.800.0 24

General

Information:
Orderingprocess:

Tools identifiedwith 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 PorscheTEP@SnapOn.com.

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
WorkshopEquipmentClassification

Servicing and maintenance

Replacement of units and assemblies

Disassembly of units and assemblies

Rental

Body & Paint

High-voltage
© 2025 Porsche Cars North America, Inc.
AfterSales
Dec. 19, 2025

Page 5 of 5

Bestseller No. 1

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
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Bestseller No. 2

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
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Bestseller No. 3

FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

【Your Personal CEL Doctor – Read & Clear Engine Codes】The NT301 OBD2 scanner lets you read diagnostic trouble codes (DTCs), check em-issions readiness, turn off your Check Engine Light (CEL) or MIL, reset monitors, and view live data streams. It retrieves your vehicle's VIN instantly. Like all standard OBD2 scanners, it clears codes only after repairs are completed—if the issue persists, the code will return. Designed for DIYers who want to understand what’s really going on under the hood.
【Easy Code Reading – Just Plug & Play】Simply plug into the OBD2 port, turn the ignition to “ON” (engine off), and select the correct menu: Select OBDII-> Wait for seconds-> Select Read codes. For accurate results, ensure your vehicle is compatible and the OBD2 port is free from damage or wiring issues. No batteries needed— powered directly by your car.
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Last update on 2026-03-27 / Affiliate links / Images from Amazon Product Advertising API

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