Service

Technical Information

55/24

ENU

6454

6

Troubleshooting: Front Window Pane Reversed – Closes and/or Opens Incorrectly (55/24)

Change
Overview:

Release

Date

Modification

0

05/14/2024

•

Original publication

1

08/25/2025

•

Update to Labor Position
section

Model Year:

As of 2018

Model Line:

Cayenne (9YA/9YB)

Concerns:

Front window pane

Cause:

Customers complain that the front left or right window pane can be reversed or cannot be opened/closed
when ONE touch is pressed.
The following fault memory entries can also be stored in the fault memory of the front driver’s
side/passenger’s side door control unit:
•
•
•

B148754 – Power windows motor, no basic setting (030034)
B148729 – Power windows motor, implausible signal (030067)
B14874B – Power windows motor, overtemperature (030037)

The complaints indicate that the front power window is difficult to operate and this cannot be overcome.
Action:

Re-normalize the power windows and carry out troubleshooting. Then fix the fault.
Information
Replacing components without prior troubleshooting is not expedient.

Overview of causes for front power windows malfunctions
•
•
•
•

Þ Overview of causes for front power windows malfunctions
Deformed/damaged window shaft seal ⇒
-1- in the window guide
Þ Overview of causes for front power windows
Resistance inside the front power windows mechanism ⇒
malfunctions -2- due to contamination or lack of lubrication
Þ Overview of causes for front power windows malfunctions -3-/high friction on
Dirty window pane ⇒
Þ Overview of causes for front power windows malfunctions -3the window pane ⇒
Þ Overview of causes for front power windows malfunctions -4Faulty power windows motor ⇒

AfterSales

Aug 25, 2025
Page 1 of 7

6

1
2
3
4

Service
6454

–
–
–
–

ENU

Technical Information

55/24

Overview of causes for front power windows malfunctions
Window shaft seal
Front power windows mechanism
Front window pane
Power windows motor

Required parts and materials as needed
Parts Info:

Required parts for troubleshooting described in this technical information on the front power window:
Part No.

Designation
– Location

Quantity as needed

95555524300

⇒ Fixing clip
– Door trim panel

8 pieces per door

Parts and materials required for individual troubleshooting must be determined using the corresponding
Workshop Manual and the Parts Catalogue (PET2).

Aug 25, 2025
Page 2 of 7

AfterSales

Service

Technical Information

55/24

ENU

6454

6

Required Tools
Tools:

•

P90999 - PIWIS Tester 4

•

Battery charger with a current rating of at least 90 A, e.g., VAS 5908 90A battery charger. For further
information about the battery chargers to be used, see the corresponding Workshop Manual. ⇒
Workshop Manual '270689 Charging battery and vehicle electrical system'
Torque wrench, 2-10 Nm (1.5-7.5 ftlb.), e.g., V.A.G 1783 - Torque wrench, 2-10 Nm (1.5-7.5 ftlb.)

•

Re-normalizing front power windows and performing troubleshooting
NOTICE
Control unit coding will be aborted if the driver’s key is not detected
•

If the driver’s key is not detected in the vehicle, coding cannot be started or will be interrupted.

Þ
⇒

Place the driver’s key with the back facing down into the front left storage compartment in the center console to ensure
a continuous radio link between the vehicle and the driver’s key.

Work Procedure: 1
2
3
4

Connect the battery charger.

⇒ Workshop Manual '270689 Charging battery and vehicle electrical system'
Check the front power windows function and confirm the fault pattern.
Remove the door trim panel, but leave the electric plug connections plugged in.

⇒ Workshop Manual '705919 Removing and installing front door trim panel'

Restore factory setting to the affected door control unit and re-normalize front power windows.
4.1

Select “Front driver’s side door” or “Front passenger’s side door” in the control unit selection
screen (‘Overview’ menu).

4.2

Select Coding/programming.

4.3

Select the Restore factory settings/coding function (or new part coding) and confirm with
•F12“ (‘Next’).
•

The PIWIS Tester displays the message: Coding successful. Press •F12“ to continue.

4.4

Select Service/repairs.

4.5

Select the normalization power windows function. Press •F12“ to continue.
•

Follow the instructions and notes of the PIWIS Tester. Press •F12“ to continue.

4.6

Fulfil all conditions to be checked manually and tick them off. •F12“.

4.7

To start the power windows press •F8“ (‘Execute’), taking note of the warning message
‘Normalization run’.

AfterSales

Aug 25, 2025
Page 3 of 7

6

Service
6454

ENU

Technical Information

55/24
Assessment

Action

The PIWIS Tester displays the
( ) message: Normalization run
performed successfully.

Continue with Step ⇒ 5.

The PIWIS Tester displays the
✗
(✗) message: Normalization run
cancelled.

Continue with Step ⇒ 9.

5

Go back to the Overview.

6

Read out and delete all control unit fault memories.
6.1

Press •F7“ in the control unit selection screen (‘Overview’ menu) to call up the Additional
menu.

6.2

Select the function “Read all fault memories and delete if necessary” and press •F12“ (‘Next’)
to confirm.

7

Exit the diagnostic application, switch off the ignition, disconnect the PIWIS tester from the vehicle.

8

Check the front power windows function again.
Assessment
( )

Action

Front power windows no longer have any A defect in the power windows motor can be ruled
malfunctions after normalization.