TSTR2604 Service Bulletin/Repair Instructions

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.
Control unit

Acoustic simulator (J943)
Macan H2 (all MY)
-
Airbag (J234)
-
Brake electronics (J104)
-
Charging communication 1 (J1245)
-
Charging communication 1 (J1245)
-
Charging communication 2 (J1246)
-
Communication light for front right door (L384)
-
Communication light front left door (L383)
-
Communication light front passenger side dashboard

(L385)

Compressor (J1075)
-
Display instrument cluster (J285)
-
Distance measurement sensor for medium-range

radar (J850)

External communication (J949) (RoW)
-
External communication (J949) (China)
-
AfterSales
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January 26, 2026

Page 8 of 13
PT4G Diagnostic Technical Information
TSTR 2604
Porsche Tester Software Update Information
USA Only
Software Version: 43.800.040
Front air-conditioning control (E87)
-
Front camera (R242)
-
Front driver’s side door (J386)
-
Front high-voltage pulse inverter (JX4)
-
Front left anti-theft antenna (J1192)
-
Front left corner radar (J1088)
-
Front passenger side door (J387)
-
Front PCM display and operator control panel (R238)
-
Front right anti-theft antenna (J1193)
-
Front right corner radar (J1089)
-
Front seat adjustment on driver’s side (J1111, J1112)
-
Front seat adjustment on passenger side (J1112,

J1111)

Function monitoring (J526)
-
Gear selector (E313)
-
Head-up display (J898)
-
High-voltage battery (J1120)
-
High-voltage central box (JX6)
-
Inductive charger for mobile devices (J1146)
-
Left auxiliary headlight (J1018)
-
Left main headlight (A31)
-
Left rear radar (J769)
-
Long-range radar distance measurement sensor

(J428)
-
AfterSales
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January 26, 2026

Page 9 of 13
PT4G Diagnostic Technical Information
TSTR 2604
Porsche Tester Software Update Information
USA Only
Software Version: 43.800.040
Loudspeaker ampliﬁer (R184)
-
Main control unit for drive and chassis (HCP1)

(J1312)

Main control unit body electronics HCP4 (J519) front car electronics

Main control unit for body electronics HCP4 (J519) A/C and spoiler

Main control unit for body electronics HCP4 (J519) thermal management

Main control unit for driver assistance HCP2 (J1274)
-
Main control unit for gateway HCP5 (J1273)
-
Main control unit for gateway HCP5 (J1273) diagnostic tester (vehicle)

Main HCP3 Infotainment control unit (J794) Android

Main HCP3 Infotainment control unit (J794) Infotainment

Main HCP3 Infotainment control unit (J794) - sound
-
Main Infotainment HCP3 control unit (J794)
-
Multifunction (J453)
-
Panoramic roof (J245)
-
Passenger’s side front display and control panel

(J145)

Power distributor (J1282)
-
Power steering (J500)
-
Rear axle steering (J1019)
-
Rear diﬀerential lock (GQS) (J647)
-
Rear driver’s side door (J388)
-
Rear high-voltage pulse inverter (JX1)
-
AfterSales
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January 26, 2026

Page 10 of 13
PT4G Diagnostic Technical Information
TSTR 2604
Porsche Tester Software Update Information
USA Only
Software Version: 43.800.040
Rear high-voltage pulse inverter (JX1)
-
Rear left anti-theft antenna (J1194)
-
Rear passenger side door (J389)
-
Rear right anti-theft antenna (J1195)
-
Rear right radar (J770)
-
Rear view camera (J772)
-
Rear-end electronics (J393)
-
Right auxiliary headlight (J1023)
-
Right main headlight (A27)
-
Steering wheel electronics (J527)
-
Surround View camera (J928)
-
Tire pressure monitoring (J502)
-
Trailer hitch (J345)
-
AfterSales
January 26, 2026

Page 11 of 13
PT4G Diagnostic Technical Information
TSTR 2604
Porsche Tester Software Update Information
USA Only
Release

History:
Software Version: 43.800.040
Porsche Tester IV Online Update
Release
Date
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
43.800.026
1/12/2026
43.800.030
1/19/2026
43.800.040
1/26/2026
AfterSales
January 26, 2026

Page 12 of 13
PT4G Diagnostic Technical Information
TSTR 2604
Porsche Tester Software Update Information
USA Only
Software Version: 43.800.040
Porsche Tester IV (PT4G)

PT4G Tester New

Model Line
All Porsche Vehicles
Use
Vehicle Diagnostics
Workshop Manual
Multiple
Supplier
PCNA
Availability
Orderable
Note
The PT4G is orderable through the Special Tools Webstore
Ordering Process:

Special Tools / Testers Website:

https://porsche-cars-north-america.pointofrentalcloud.com/portal

To increase security and show prices that may be below the Minimum Advertised Price, Login is required to see/access the

storefront. Your Porsche Center will have a NEW single Username and Password for the Porsche Special Tools site.

To streamline the new process, we are using the existing Rental Website for Rental and SALE of all Special Tools and PT4G.
Support:

Special Tool:

Open a PRMS ticket. Technical Support >> Special Tools

Diagnostic Equipment:

Open a PRMS ticket. Technical Support >> Tester Support
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 diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the

Porsche Tester are the ones that must be followed.
©2026 Porsche Cars North America, Inc.
AfterSales
January 26, 2026

Page 13 of 13

1 23

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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)

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

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Last update on 2026-03-23 / Affiliate links / Images from Amazon Product Advertising API

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