NHTSA ID Number: 11027275
Manufacturer Communication Number: No. WSJ0
TSB/Document Date: 2026-01-07
Summary
Technical information on WSJ0 – Update to Software Network VR28.13
signing fault” and a
communication error for
the Sub System Driver
Assistance control unit
in the results view
The affected control unit
was not successfully
programmed
Vehicle
Select “Special function” in the
additional menu
Enter campaign code:
HCP2_ERROR_KD2
and follow the Tester instructions
•
•
The progress of the
vehicle update is shown
on the Porsche Tester
only from approx. 30%
completion. This can be
up to 30 minutes after
the download
Diagnostic service
(RPC+) will not forward
the progress of the
update to the Tester
until it is approx. 30%
complete
Vehicle
HCP4 body electronics
main control device
(J519) reports
programming and
coding errors in the
results view
The affected control unit
was not successfully
programmed and coded
Vehicle
•
•
Select “Control unit
programming and coding
(campaign)” in the
additional menu and restart
the update by pressing
•F8“.
After it has been installed
correctly, continue with work
step 4
Correct behavior, no
intervention necessary
Wait until the progress is
displayed
Do not perform an ignition
change! This results in the
destruction of the control unit.
Fuses
•
•
•
AfterSales
Open “Control unit
overview”
Access “Gateway HCP5”
main control unit
Open “Service/Maintenance” menu
Select and execute “Set
time” menu item
J519 HCP4/1
J519 HCP4/2
J519 HCP4/4
Dec 19, 2025
Page 13 of 18
9
Service
WSJ0
ENU
Technical Information
2025
•
J519 Secure
Pull, wait 30 seconds and plug it
back in correctly.
The fuses have different
parameters and must be
reinserted at exactly the same
location; for the correct fuse
positions, see: ⇒ Fuse positions
Select “Special function” in the
additional menu
Enter campaign code:
HCP4_ERROR_KD2
and follow the Tester instructions
•
•
Dec 19, 2025
Page 14 of 18
AfterSales
After successfully
programming the control
unit, select “Control
unit programming and
coding (campaign)” in the
additional menu and restart
the update by pressing
•F8“
After it has been installed
correctly, continue with work
step 4
Service
Technical Information
2025
AfterSales
ENU
WSJ0
9
Dec 19, 2025
Page 15 of 18
9
Service
WSJ0
ENU
Technical Information
2025
HCP4 body electronics
main control unit (J519)
- front-end electronics
B1303F1
Rear lid proximity sensor
(J938), not taught
•
•
Charging communication 2 (J1246)
U19B200
HCP4 body electronics
main control unit (J519)
- front-end electronics
U206200.
Drive and chassis main
control unit HCP1
(J1312)
C147596
P1DBD00
Motor drive flap power
supply 2 (VX87),
received error value
•
Intelligent ParkAssist
High, function restriction
•
For C147596 – oil pump
control internal fault
For P1DBD00 – rear axle
oil pump, engine speed
deviation
•
•
•
•
Disconnect and
reconnect the plug at
the rear disconnection
point for the proximity
sensor
Then read out and delete
the fault memory again
Move the charge port
doors by hand twice
Then read out and delete
the fault memory again
Implement bus idle for
15 min
Then read out and delete
the fault memory again
Implement bus idle for
15 minutes.
Then read out and delete
the fault memory again
Valid fault codes after the incremented software network VR28.13
Dec 19, 2025
Page 16 of 18
Control unit
Fault code
Description
Remedy
Brake electronics (J104)
C13F7F1
Bedding-in function,
active
•
Valid fault memory
entry after vehicle
handover
Front camera (R242)
B200FF2
Implausible signal
•
After the test drive:
Fault memory entry
passive
Front camera (R242)
U12EF00
Front camera for driver
assistance systems,
implausible signal
•
After the test drive:
Fault memory entry
passive
Front camera (R242)
U147C00
External communication
(J949), implausible
signal
•
After the test drive:
Fault memory entry
passive
Front camera (R242)
U198C00
Road graph, received
fault value
•
After the test drive:
Fault memory entry
passive
AfterSales
Service
Technical Information
2025
WSJ0
ENU
9
Drive and chassis main
control unit HCP1
(J1312)
U045D00
Driver assistance main
control unit HCP2
(J1274), ETHERNET
data bus driver
assistance, implausible
signal
•
After the test drive:
Fault memory entry
passive
Driver assistance main
control unit HCP2
(J1274)
B200FF2
Road graph, received
fault value
•
After the test drive:
Fault memory entry
passive
Checklist
Checklist:
Work step:
Scope:
Completed:
The checklist only refers to campaign WSJ0. A different checklist from
another campaign must not be used.
1. Battery charger set to charging mode and charging process on
charger activated?
All
2. Ignition switched off and on again?
All
3. VCI and Porsche Tester 4 connected to one another (with cable or
Wi-Fi with good network quality)?
All
4. Has the user logged into PPN on the Porsche
Tester?
All
5. Seat heating and seat ventilation not active?
All
6. Original remote control in emergency start tray (position noted)?
All
7. Logging in the diagnostic tester started?
All
8. Vehicle Analysis Log (Pre-VAL) created?
All
9. Automatic integration test cancelled by pressing •F11“?
All
10. Only for new vehicles: Vehicle handover performed in part as
described in section “Update on software network VR28.13” in order
to deactivate transport protection?
New vehicles
11. Control unit programming and coding (campaign) performed?
All
12. Bus idle performed for 10 minutes?
All
13. Vehicle’s readiness for driving checked?
All
14. Side windows standardized?
All
15. Fault memory read out and erased?
All
16. Only for new vehicles: Vehicle handover completed?
New vehicles
17. Vehicle analysis log (1st Post-VAL) created?
All
AfterSales
Dec 19, 2025
Page 17 of 18
9
Service
WSJ0
ENU
Technical Information
2025
18. Plausibility check of the battery capacity performed?
All
19. Vehicle analysis log (2nd Post-VAL) created?
All
20. Campaign entered in the Warranty and Maintenance logbook?
All
21. During the test drive:
21.1 GPS reconnected?
21.2 Tyre settings checked and adjusted if necessary?
All
22. Were abnormalities detected during the plausibility check of the
battery capacity, and was the calculation of the range reset to the initial
values? Information is provided through the guided procedure with the
Porsche Tester.
Inform the customer about FAQs (Service Advisor)!
Scope 2
23. Check of correct locking of all 4 doors.
All
24. Does the vehicle have the Sport Chrono package (M-number 8LH or
8LU), and is the vehicle also operated by a secondary user?
Inform the customer about FAQs (Service Advisor)!
All
VIN:
Dealer number:
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 PIWIS diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the PIWIS Tester
are the ones that must be followed.
©2025 Porsche Cars North America, Inc.
Dec 19, 2025
Page 18 of 18
AfterSales
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: No. WSJ0
Replacement Service Bulletin Number:
MFR Communication Date: 2025-12-19
MFR Internal Campaign ID/Software Version: WSJ0
Communication Type: Service Campaign
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission
, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU coding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations
- 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Programming): Allows for Ford, for Lincoln, and for Mazda ECU programming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- Cost-effective ECU Coding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.