NHTSA ID Number: 11028212
Manufacturer Communication Number: 2080489/1
TSB/Document Date: 2026-02-04
Summary
Front window one-touch open/close function inoperative - DTCs evident in 0042/0052. Customer statement: Front window operation fails when using single press (one touch) close/open.
Connection offline
Technical Service Bulletin
Topic
Front window one-touch open/close function inoperative - DTCs evident in 0042/0052
Market area
Bentley
: worldwide (2WBE),China 796 VW Import Comp. Ltd (Vico), Beijing (6796)
Brand
Transaction No. 2080489/1
Level
EH
Status
Released for publishing
Release date
Jan 20, 2026
Diagnostic trouble codes
Fault
symptom
Storage
state
Diagnostic address
Diagnostic trouble code
0052 - Passenger's door
electronics
B148754: Window regulator motor no basic
setting
static
0052 - Passenger's door
electronics
B148713: Window regulator motor Open
circuit
Intermittent
0042 - Driver's door electronics
B148754: Window regulator motor no basic
setting
static
0052 - Passenger's door
electronics
B148754: Window regulator motor no basic
setting
Intermittent
0052 - Passenger's door
electronics
B148713: Window regulator motor Open
circuit
static
0042 - Driver's door electronics
B148713: Window regulator motor Open
circuit
static
0042 - Driver's door electronics
B148713: Window regulator motor Open
circuit
Intermittent
0042 - Driver's door electronics
B148754: Window regulator motor no basic
setting
Intermittent
New customer code
Object of complaint
Complaint type
body attachments and installations -> door opening/closing, window
heating -> power window regulator
functionality -> cannot
be closed
body attachments and installations -> door opening/closing, window
heating -> power window regulator
functionality -> cannot
be opened
Vehicle data
Position
Bentayga Series 23MY - Onwards
Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
4V1* 2023 E
*
*
*
4V1* 2024 E
*
*
*
4V1* 2025 E
*
*
*
4V1* 2026 E
*
*
*
ZV1* 2023 E
*
*
*
ZV1* 2024 E
*
*
*
ZV1* 2025 E
*
*
*
Documents
Document name
master.xml
Connection offline
Technical Service Bulletin
Front window one-touch open/close function inoperative - DTCs evident in 0042
/0052
Condition
Customer statement
Front window operation fails when using single press (one touch) close/open.
Workshop findings
Transaction No.: 2080489
/1
Release date: Jan 20, 2026
Customer findings verified in the workshop with the following DTC are stored in the driver’s door electronics
(diagnostic address 0042) and/or passenger door electronics (diagnostic address 0052):
•
B148754: Window regulator motor no basic setting (passive/sporadic) Symptom: 196660
And
•
B148713: Window regulator motor open circuit (passive/sporadic) Symptom:196661
Technical Background
The affected door control module intermittently loses its basic settings or experiences communication faults
with the window regulator motor. This prevents the one-touch open/close function from operating correctly.
The stored DTCs indicate that the module cannot maintain calibration or detect the motor reliably, resulting
in sporadic failures. Refer to the measure section for the required repair instructions.
Production Solution
Under Review
Service
CAUTION
For vehicles using a 48v system, please refer to "48v system — safety precautions" before working on this
system. → Rep. Gr. 27 On vehicles with a 48V system the 12V battery and the 48V battery support each
other, therefore the 48V system must be deactivated. Refer to "48v system — To activate and deactivate"
→ Rep. Gr. 27 The 48v system must only be activated and deactivated by suitably qualified personnel
NOTICE
Raise a full Technical DISS query to product support second level. Write the number of this TPI 2080489/*
in the field " workshop findings". Await response for approval of replacement of the affected door control
module.
For replacement of the affected front door control module with a new, approved part. Refer to the steps
below.
Removal
•
Disconnect the batteries.
Refer to "Battery - Disconnect and connect" . → ElsaPro Rep. Gr. 27
•
To access the affected front door control unit, Remove the relevant front door trim panel.
Refer to "Front door trim panel - To remove and fit" . → ElsaPro Rep. Gr. 70
•
Remove the affected front door control unit
Refer ‘’Front door control unit (J386, J387) – To remove and fit’ → ElsaPro Rep. Gr. 70
Installation
•
Installation is the reverse of removal procedure, noting the following.
•
Torque tighten all fixings.
•
Carry out a Guided Fault Find as instructed in "Diagnostic system — Guided fault finding/component
replacement" → ElsaPro Rep. Gr. 97
NOTICE
When renewing the Drivers front or Passenger front door control -J386/J387- , the ‘Replace’ test must be
completed.
Right click on 42 Door Electronics Drivers Side or 52 Door Electronics Passenger Side (whichever was
replaced).
– Open Guided functions
– Open Replace control module
Final Checks
•
Clear all stored DTCs and verify proper operation of the one-touch open/close function.
Warranty
Warranty type 110 or 910
Damage service number 64 38
Damage code 00 40
Front Door control unit remove and fit
Labour operation code 64 38 19 00
Time 30 TU
Battery earthing strap loosen and fasten
Labour operation code 97 85 09 00
Time 10 TU
GFF Guided Functions
Labour operation code 01 50 00 00
Time 10 TU
Required Parts and Tools
Always refer to ETKA parts catalogue
Part Number
Part Name
QTY
4M1-959-953-K
Front Door Control Unit
1 / as required
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TSB/Document ID: 2080489/1
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-20
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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