Service

Technical Information

222/22 ENU

6445

Complaints about the Door Window Pane and Front Window Guide and/or Door Slot Seal Damaged
(222/22)

6

Change overview
Release

Date

Change

0

08/11/2022

•

First publication

1

10/29/2025

•
•
•

Update to ‘Required Parts’ section
Update to ‘Labor position
Update to PCSS encryption’ section title

2

01/26/2026

•

Part numbers and work procedure adjusted

Model Line:

Taycan (Y1A/Y1B/Y1C)

Model Year:

As of 2020 up to 2025

Concerns:

Front window guide

Information:

Customers complain about:
•
•
•

A non-closing front door window due to jammed seal
Noises when closing the front door window.
A cracked or “undulating” door channel seal in the area of the front window guide

In the workshop, damage to the front door slot seal is detected.
Cause:

Complete abrasion of the anti-friction coating on the seal and/or incorrect position of the door window in the
door during the procedure.

Action:

In the event of a customer complaint, replace the window guide, window slot seal, trim strip and front left and
right door cover.

Required parts
Parts Info:

Part No.

Designation
– Location

Quantity

9J1837835B

⇒ Door seal window slot seal
– Front left

1 piece

9J1837836B

⇒ Door seal window slot seal
– Front right

1 piece

AfterSales

Jan 26, 2026
Page 1 of 3

6

Service
6445

Technical Information

ENU 222/22

9J1837433

⇒ Window guide, A-pillar
– Front left

1 piece

9J1837434

⇒ Window guide, A-pillar
– Front right

1 piece

PAD837307

⇒ Cover for window guide
– Front left

1 piece

PAD837308

⇒ Cover for window guide
– Front right

1 piece

N 10447402

⇒ Internal hexagon round oval-head screw
– Front window guide, left and right

4 pieces

WHT003237

⇒ Internal hexagon round-head countersunk screw
– Front window guide, left and right

2 pieces

PAF912950

⇒ Stoppers 3.2 x 13.9 x 11.1
– Cover for window guide

2 pieces

Additionally required parts
PAD837475D I44

⇒ Trim strip for door
– Front left
– Rhodium grey (M-no. QJ1)

1 piece

PAD837476D I44

⇒ Trim strip for door
- Front right
– Rhodium grey (M-no. QJ1)

1 piece

PAD837475B V09

⇒ Trim strip for door
– Front left
– Alushine (M-no. QJ2)

1 piece

PAD837476B V09

⇒ Trim strip for door
– Front right
– Alushine (M-no. QJ2)

1 piece

PAD837475C 041

⇒ Trim strip for door
– Front left
– High-gloss black (M-no. QJ4)

1 piece

PAD837476C 041

⇒ Trim strip for door
– Front right
– High-gloss black (M-no. QJ4)

1 piece

or

or

or

Jan 26, 2026
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AfterSales

Service

Technical Information

222/22 ENU

6445

PAD837475A 03C

⇒ Trim strip for door
– Front left
– Matt black (M-no. QJ5)

1 piece

PAD837476A 03C

⇒ Trim strip for door
– Front right
– Matt black (M-no. QJ5)

1 piece

6

Replacing window guide, window slot seal, trim strip and front left and right cover
Work Procedure: 1

Replace window guide, window slot seal, moulding and front left and right trim.
For work procedure, see:
⇒ Workshop Manual '644519 Removing and installing front window guide'

Labor position and PCSS encryption
Labor position:
APOS

Labor operation

I No.

64451901

Removing and installing front window guide

64451902

Removing and installing front window guide
PCSS encryption:

Location (FES5)

64450

Front window guide

Damage type (SA4)

3042

Door seal detached

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.

© 2026 Porsche Cars North America, Inc.

AfterSales

Jan 26, 2026
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