NHTSA ID Number: 11028564
Manufacturer Communication Number: No. 11-25
TSB/Document Date: 2026-02-06
Summary
Installation and conversion instructions for the activated tail light on the Taycan
Taycan (Y1A)
Installation and Conversion Instructions
11 / 25 ENU
9438
9
Activated Tail Light
Information:
Retrofitting
Information
ONLY for markets in which new vehicles are certified in accordance with the Worldwide Harmonized Light
Vehicles Test Procedure (WLTP): Retrofitting of components BEFORE the date of first registration of the
vehicle is not permitted.
Background:
Technical modifications (additions/conversions) between delivery (reference point for the creation of the
Certificate of Conformity (CoC document)) and the time of first registration can jeopardize the consistency
between the CoC document and the actual vehicle configuration required by the WLTP.
Model Year:
As of 2025
Restriction:
Not for vehicles with I-no. 8VP (light panel with black “PORSCHE
” logo)
Enabling:
For vehicles with I-number 8VG, an enabling code for the animation must be requested via the ordering
process shown in the table. This process is necessary for ordering parts, as this takes a few days.
I
Requesting enabling codes (directly via the Porsche
Request
Management System – PRMS => Parts Support => Tequipment/
TEQ-activation Code)
The following details are absolutely essential:
•
•
•
Part number of the retrofit kit
Vehicle identification number (VIN) of the vehicle to be
converted
Order number used for ordering parts
IMPORTANT: If you do not have the necessary data or if the data
you have is incorrect, Porsche
AG will NOT be able to generate
the enabling code.
II
Checking and forwarding of the data via PRMS
III
Generation of an enabling code and feedback via PRMS
IV
Forwarding feedback via PRMS
Figure 2
A
B
C
Tequipment
– Porsche
dealer
– Porsche
importer
– Porsche
AG
Jan 23, 2026
Page 1 of 12
9
Taycan (Y1A)
9438
Parts Info:
ENU
11/25
Installation and Conversion Instructions
Sedan
9J1.044.901.01
⇒ Illuminated strip with refined “PORSCHE
” logo in black with illuminated Porsche
logo, including Coming Home / Leaving Home
Animation (SAE)
Sport Turismo
9J1.044.901.03
⇒ Illuminated strip with refined “PORSCHE
” logo in black with illuminated Porsche
logo, including Coming Home / Leaving Home
Animation (SAE)
Information
Please pass all this information on to the customer.
Also give the customer a copy of the first pages of these Installation and Conversion Instructions, including
the legal regulations.
Installing
1
2
Jan 23, 2026
Page 2 of 12
Preliminary work: The following work steps relate to the sedan and Sport Turismo
1.1
Charge the vehicle electrical system battery ⇒ Workshop Manual 'Charging 12-volt lithium-ion
vehicle electrical system battery'.
1.2
Self-diagnosis ⇒ Workshop Manual 'Self-diagnosis'.
1.3
Raise the vehicle on a lifting platform. ⇒ Workshop Manual 'Raising vehicle'.
1.4
For vehicles with 8VQ, continue with work steps 1.5 and 1.6 with subsequent coding (work
step 8). For vehicles with 8VG, an additional cable loom must be laid, continue with work step
2.
1.5
Remove the rear light in the rear lid ⇒ Workshop Manual 'Removing and installing rear light in
rear lid'.
1.6
Remove the rear light ⇒ Workshop Manual 'Removing and installing rear light'.
Preliminary work: The following work steps relate to the sedan
2.1
Remove the center luggage compartment storage area cover ⇒ Workshop Manual 'Removing
and installing (centre) luggage compartment storage area cover'.
2.2
Remove the C-pillar trim panel ⇒ Workshop Manual 'Removing and installing (side) luggage
compartment storage cover trim panel'.
2.3
Remove the trim panel for the rear lid ⇒ Workshop Manual 'Removing and installing trim panel
for rear lid'.
2.4
Remove the rear light in the rear lid ⇒ Workshop Manual 'Removing and installing rear light in
rear lid'.
2.5
Remove the rear light ⇒ Workshop Manual 'Removing and installing rear light'.
Tequipment
Installation and Conversion Instructions
3
Taycan (Y1A)
11 / 25 ENU
9438
9
Routing and connecting wire harness – sedan
3.1
Routing starts at the control unit.
3.2
Remove the rear-end electronics control unit ⇒ Workshop Manual 'Removing and installing
control unit for rear-end electronics'.
Important: Tie the wire harness to the standard cable loom as per Porsche
specifications,
making sure that the wire harness is not live and avoiding chafing points. Cable strands that
run into the “outside area” (for tail lights) must be used for the series cable guide through the
respective grommet.
1.
2.
3.
4.
5.
Wiring for rear-end electronics
Þ Wiring for rear-end electronics -1- and remove the plug housing
– Detach plug ⇒
(black).
Þ Wiring for rear-end electronics -2- at point ⇒
Þ
– Disconnect the cable from pin 5 ⇒
Wiring for rear-end electronics -3- shown.
– Crimp the tailgate cable activated from the wire harness (line cable without crimped
pin) the on line from control unit pin 5.
– Insulate the crimped area as per Porsche
specifications.
– Install the rear-end electronics control unit ⇒ Workshop Manual 'Removing and
installing rear-end electronics control unit'.
Tequipment
Jan 23, 2026
Page 3 of 12
9
Taycan (Y1A)
9438
ENU
11/25
6.
7.
8.
9.
10.
Installation and Conversion Instructions
Line routing for right side wall for sedan
Þ Line routing for right side wall for sedan
– Rear-end electronics control unit connector ⇒
-1-.
– Y piece, output to the right tail light. Pin cable connector (RoW: brown, NAR: green) in
Þ Line routing for right side wall
chamber 3. Cable loom for rear wall connection point ⇒
for sedan -2-.
– Connect the wire harness to the standard cable loom with the same route as per
Þ Line routing for right side wall for sedan -3-.
Porsche
specifications ⇒
Þ Line routing
– Tailgate wire harness (large Y switch for tailgate tail light connector 2x) ⇒
for right side wall for sedan -4-.
Þ Line routing for right side wall for sedan
– Wire harness for rear wall connection point ⇒
-5-.
Rear wall and left side wall line routing for sedan
Jan 23, 2026
Page 4 of 12
Tequipment
Installation and Conversion Instructions
11.
12.
13.
4
5
6
Taycan (Y1A)
11 / 25 ENU
9438
9
Þ Rear wall and left side wall line routing for sedan
– Line routing for tailgate tail light ⇒
-1-, pin right cable connector (RoW: brown, NAR: green), and left cable connector
(RoW: blue, NAR: grey) in chamber 3.
Þ Rear wall and left side wall line routing for sedan -2-. Pin
– Rear wall connection point ⇒
blue cable connector (top plug connection) on both sides in chamber 6.
Þ Rear wall and left side wall line routing for sedan -3-,
– Cable routing for left tail light ⇒
pin cable connector (RoW: brown, NAR: green) in chamber 3
Subsequent work: The following work steps relate to the sedan
4.1
Install the new rear light ⇒ Workshop Manual 'Removing and installing rear light'.
4.2
Install the new rear light in the rear lid ⇒ Workshop Manual 'Removing and installing rear light in
rear lid'.
4.3
Install the rear lid trim panel ⇒ Workshop Manual 'Removing and installing rear lid trim panel'.
4.4
Install the C-pillar trim panel ⇒ Workshop Manual 'Removing and installing luggage
compartment storage area cover (side)'.
4.5
Install the center luggage compartment storage area cover. ⇒ Workshop Manual 'Removing and
installing trim panel for luggage compartment storage area cover (centre)'.
4.6
Coding (see paragraph “Maintain activated tail light in vehicle data”).
Preliminary work: The following work steps relate to the Sport Turismo
5.1
Remove the center luggage compartment storage area cover ⇒ Workshop Manual 'Removing
and installing (centre) luggage compartment storage area cover'.
5.2
Remove the C-pillar trim panel ⇒ Workshop Manual 'Removing and installing (side) luggage
compartment storage cover trim panel'.
5.3
Remove the trim panel for the rear lid ⇒ Workshop Manual 'Removing and installing trim panel
for rear lid'.
5.4
Remove the rear light in the rear lid ⇒ Workshop Manual 'Removing and installing rear light in
rear lid'.
5.5
Remove the rear light ⇒ Workshop Manual 'Removing and installing rear light'.
Routing and connecting wire harness – Sport Turismo
6.1
Routing starts at the control unit.
6.2
Remove the rear-end electronics control unit ⇒ Workshop Manual 'Removing and installing
control unit for rear-end electronics'.
Important: Tie the wire harness to the standard cable loom as per Porsche
specifications,
making sure that the wire harness is not live and avoiding chafing points. Cable strands that
run into the “outside area” (for tail lights) must be used for the series cable guide through the
respective grommet.
Tequipment
Jan 23, 2026
Page 5 of 12
9
Taycan (Y1A)
9438
ENU
11/25
1.
2.
3.
4.
5.
6.
Jan 23, 2026
Page 6 of 12
Installation and Conversion Instructions
Wiring for rear-end electronics
Þ Wiring for rear-end electronics -1- and remove the plug housing
– Detach plug ⇒
(black).
Þ Wiring for rear-end electronics -2- at point ⇒
Þ
– Disconnect the cable from pin 5 ⇒
Wiring for rear-end electronics -3- shown.
– Crimp the tailgate cable activated from the wire harness (line cable without crimped
pin) the on line from control unit pin 5.
– Insulate the crimped area as per Porsche
specifications.
– Install the rear-end electronics control unit ⇒ Workshop Manual 'Removing and
installing rear-end electronics control unit'.
Right side wall line routing for Sport Turismo
Þ Right side wall line routing for Sport
– Install control unit for rear-end electronics ⇒
Turismo -1-.
Tequipment
Installation and Conversion Instructions
7.
8.
9.
10.
11.
12.
13.
Taycan (Y1A)
11 / 25 ENU
9438
9
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TSB/Document ID: No. 11-25
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-24
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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