No. WSJ0 Service Campaign

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

1 23

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