PT4G Diagnostic Technical Information

TSTR 2618

Porsche Tester Software Update Information

USA Only

Software Version: 44.000.031

Vehicle Type:

All Porsche Vehicles

Subject:

This Porsche Tester IV software version is available online with immediate effect.

Information:

This software is only intended for use on Porsche Tester IV
(PT4G)

Note:

Regarding handling of the proprietary Porsche Tester IV software, we refer to Article- “Transfer
6
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 itavailable 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 only.

Additional
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.
The “Online Update”, “FazitAccess”, “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 cacess. The user must have PPN access and must be allocated
to the device certificate.

AfterSales

March 30, 2026
Page 1 of 14

PT4G Diagnostic Technical Information

TSTR 2618

Porsche Tester Software Update Information

USA Only

Work
Procedure:

Software Version: 44.000.031

Installation of the software update via Online Update
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
successfully .
1.
2.

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

March 30, 2026
Page 2 of 14

PT4G Diagnostic Technical Information

TSTR 2618

Porsche Tester Software Update Information

USA Only

Software Version: 44.000.031

Included in this software is the following update
(s):

The Porsche Tester IV software version44.000.0 031 & 44.000 .030 are available online with immediate effect.
The following function(s) arenow fixed or have been added:
•

There were cases where thefunction, "Setting time", was not functional.

•

There were cases where the "PCSS" button was not functional.

Integration test:

The following control units are automatically checked for the validity of software and hardware as part of the
vehicle network test.
In the event of deviations, a corresponding message is displayed on the diagnostic tester.
Explanation of the overview:
n.A.
This control unit is not part of the validity check
-

No new data available

Update available (minutes)

New data available. The expected programming time is given in brackets (minutes).

Important: New data is not necessarily available for all models.
If several control units are programmed on after the other, the programming times are summed up.

Panamera G2
(from MY N on)

Panamera G3
(all MY)

A/C

-

-

-

n.A.

-

Additional battery (48 V)

-

n.A.

-

n.A.

n.A.

Airbag (SC)

-

-

-

-

-

All- wheel electronics

n.A.

n.A.

-

-

n.A.

Assembly mounting

n.A.

-

-

n.A.

n.A.

Assistance systems

n.A.

-

-

-

-

Auxiliary heater (fuel)

-

-

n.A.

n.A.

n.A.

Battery sensor

-

-

-

-

-

Brake booster (eBKV)

-

-

-

-

-

Control Unit

Cayenne E3
Sports car 992
Taycan (all MY)
(from MY N on) (from MY N on)

AfterSales

March 30, 2026
Page 3 of 14

PT4G Diagnostic Technical Information

TSTR 2618

Porsche Tester Software Update Information

USA Only

Software Version: 44.000.031

Brake electronics (PSM)

-

-

-

-

-

Central computer (PCM)

n.A.

-

-

-

-

Central headlight

-

-

-

-

-

Chassis control (PASM)

-

-

-

-

-

ConBox
Control unit 2 for adaptive cruise
control

-

-

-

-

-

-

n.A.

n.A.

n.A.

n.A.

n.A.

-

n.A.

n.A.

-

n.A.

-

n.A.

n.A.

-

-

-

-

n.A.

-

-

-

-

-

-

-

-

-

-

n.A.

Distance sensor (ACC)

-

-

-

-

-

Door on driver's side, front

-

-

-

-

-

Door on driver's side, rear

-

-

-

n.A.

-

Door on passenger's side, front

-

-

-

-

-

Door on passenger's side, rear

-

-

-

n.A.

-

Electric A/C compressor

-

-

-

n.A.

-

Electric exhaust turbocharger

n.A.

n.A.

n.A.

-

n.A.

Electric exhaust turbocharger 2

n.A.

n.A.

n.A.

-

n.A.

Electric interior heater (HV-PTC)

n.A.

-

n.A.

n.A.

-

Engine electronics (DME)

-

-

-

-

-

Control valve for air cushion on
driver's side
Control valve for air cushion on
passenger's side
Diff. lock
Display and operatorcontrol unit
in rear center console
Display and operator control unit
in front center console

AfterSales

March 30, 2026
Page 4 of 14

PT4G Diagnostic Technical Information

TSTR 2618

Porsche Tester Software Update Information

USA Only

Software Version: 44.000.031

Exterior acoustics (eSound)

-

-

-

n.A.

-

Front corner radar sensor, left

n.A.

-

-

n.A.

-