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NHTSA ID Number: 11028482

Manufacturer Communication Number: L634-A.01.26

TSB/Document Date: 2026-02-06


Summary

Service bulletin for the verification of engine wiring position to avoid possible contact with other components.


To:
Subject:
Date:
Pages

L634A.01.26

After Sales Official Network
Rework routing RH VVT cable
16/01/2026
6

Campaign code:
L634-A.01.26
Campaign name:
Rework routing RH VVT cable
NOTE:
Operation A will be available only when the
instructions require a preliminary check to be
performed to determine whether or not the
vehicle actually needs updating.

Model:
Temerario
Model Year:
2026
Markets:
Canada, France, Germany, Italy, Japan, Monaco,
Spain, United Arab Emirates, United Kingdom,
United States
VIN Involved:
Until VIN TLA0635

Solution for the field:
Rework of the engine wiring and VVT connections.

Important information: before proceeding with
the repair, connect to the Warranty Portal and,
using the “VIN Info” function, check that:

the vehicle is actually affected by the
instructions contained in this bulletin.
NOTE: some vehicles may not be affected,
despite the fact that their Vehicle
Identification Number (VIN) falls within the
range;

Information for the service network:
During ongoing product monitoring, Automobili
LamborghinieBay logo S.p.A. requires verification and possible reworking of the engine wiring and VVT connections.

only replacement parts that correspond to
the specific operation, identified by a
letter (such as A, B, C, etc.), are to be used
for the chassis being repaired.
Example

Spare Parts:
OPERATION D
Part number

Description

Q.ty

N90937701

CABLE TIE C4.6X193

1

Part number

Description

Q.ty

N90937701

CABLE TIE C4.6X193

1

OPERATION E

Management of replaced parts:
Store the components that have been removed
from the vehicle in an appropriate manner,
marking them with their corresponding bar codes
so that they can be identified during visits by the
competent Area Manager.
Labor time:
Operation B: 0,1 h
Operation C: 0,08 h
Operation D: 1,15 h
Operation E: 0,18 h
Previous bulletins superseded.
None.

Rev.01

The procedures and information published herein are strictly confidential and are intended exclusively for recognized professionals and persons who are authorized to receive said information. All copyrights are the property of
Automobili LamborghinieBay logo S.p.A pursuant to copyright law. The company reserves the right to make updates and
modifications as needed. The reprinting, reproduction, distribution to unauthorized persons and/or to third parties, and the partial or complete translation of the material contained herein are prohibited without the express
written consent of Automobili LamborghinieBay logo S.p.A.
Doc. no.: L/V6_M06 Rev.[07]

1/6

L634A.01.26

To:
Subject:
Date:
Pages

After Sales Official Network
Rework routing RH VVT cable
16/01/2026
6

Warranty claim instructions:
To request reimbursement for the repair
performed, access the “LIASS” system on the
LamborghinieBay logo
portal
and,
following
the
instructions in the system’s “Manuals” section,
generate and fill out a Warranty Request.
Select the required campaign and proceed with
entry; carefully read the options present in the
alert message that displayed by the system (see
example) and select the option performed on the
vehicle.

Tools/Materials required:
Reimbursement will be structured as follows, on
the basis of the operation performed:
- OPERATION B:
o Steps to be executed: from 1 to 5
o Labour time: 0,1 h
- OPERATION C:
o Steps to be executed: from 6 to 10
o Labour time: 0,08 h
- OPERATION D :
o Steps to be executed: from 11 to 14
o Labour time: 1,15 h
- OPERATION E:
o Steps to be executed: from 15 to 18
o Labour time: 0,18 h

Code
n\a

Description.
n\a

Q.ty
n\a

NOTE:
All O.D.I.S. Service technical documentation can
be viewed on the app “O.D.I.S. Self Service Guide”
available on LamborghinieBay logo HUB portal.

Important information:
attach all documents generated during the work
carried out, evidence of the work itself, for
instance work orders and diagnostic protocols
with BETA-Reports.
If one or more of these is missing, it may lead to a
rejected reimbursement request.
Fill out the page in the warranty booklet
(identified in the image below) in the section
“Service and Recall Campaigns”:

Rev.01

The procedures and information published herein are strictly confidential and are intended exclusively for recognized professionals and persons who are authorized to receive said information. All copyrights are the property of
Automobili LamborghinieBay logo S.p.A pursuant to copyright law. The company reserves the right to make updates and
modifications as needed. The reprinting, reproduction, distribution to unauthorized persons and/or to third parties, and the partial or complete translation of the material contained herein are prohibited without the express
written consent of Automobili LamborghinieBay logo S.p.A.
Doc. no.: L/V6_M06 Rev.[07]

2/6

L634A.01.26

To:
Subject:
Date:
Pages

After Sales Official Network
Rework routing RH VVT cable
16/01/2026
6

Preliminary operations:
OPERATION B (Only for standard version):
Follow the instructions:
1. Open the right kidney.
2. Locate the wiring (1) (right side of the motor).

3. Push the wiring (1) upwards from the bottom
towards the screw/clip (circled) on the heat
shield and check whether the wiring (1) comes
into contact with the screw/clip.
4. If the wiring (1) does not make contact, push
the wiring (1) down again, moving it as far away
as possible from the screw/clip. The check can
then be considered complete.
5. Close the right kidney.
6. If the wiring (1) makes contact, perform
operation D.

1

1

1

Rev.01

The procedures and information published herein are strictly confidential and are intended exclusively for recognized professionals and persons who are authorized to receive said information. All copyrights are the property of
Automobili LamborghinieBay logo S.p.A pursuant to copyright law. The company reserves the right to make updates and
modifications as needed. The reprinting, reproduction, distribution to unauthorized persons and/or to third parties, and the partial or complete translation of the material contained herein are prohibited without the express
written consent of Automobili LamborghinieBay logo S.p.A.
Doc. no.: L/V6_M06 Rev.[07]

3/6

L634A.01.26

To:
Subject:
Date:
Pages

After Sales Official Network
Rework routing RH VVT cable
16/01/2026
6

Preliminary operations:
OPERATION C (Only for lightened version):
Follow the instructions given in the Workshop
Manual at the following path:
7. Racing hood - lightened version (Optional) Removal procedure
Body and Chassis > Exterior > Engine Hood
and Opening System > Engine Hood > Racing
hood - lightened version (Optional) - Removal
procedure
8. Locate the wiring (1) (right side of the motor)

9. Push the wiring (1) upwards from the bottom
towards the screw/clip (circled) on the heat
shield and check whether the wiring (1) comes
into contact with the screw/clip.
10. If the wiring (1) does not make contact, push
the wiring (1) down again, moving it as far away
as possible from the screw/clip. The check can
then be considered complete, follow the instructions given in the Workshop Manual at the
following path:
Racing hood - lightened version (Optional) Installation procedure
Body and Chassis > Exterior > Engine Hood
and Opening System > Engine Hood > Racing
hood - lightened version (Optional) Installation procedure
11. If the wiring (1) makes contact, perform
operation E.

1

1

1

Rev.01

The procedures and information published herein are strictly confidential and are intended exclusively for recognized professionals and persons who are authorized to receive said information. All copyrights are the property of
Automobili LamborghinieBay logo S.p.A pursuant to copyright law. The company reserves the right to make updates and
modifications as needed. The reprinting, reproduction, distribution to unauthorized persons and/or to third parties, and the partial or complete translation of the material contained herein are prohibited without the express
written consent of Automobili LamborghinieBay logo S.p.A.
Doc. no.: L/V6_M06 Rev.[07]

4/6

L634A.01.26

To:
Subject:
Date:
Pages

After Sales Official Network
Rework routing RH VVT cable
16/01/2026
6

Repair method:

Repair method:

OPERATION D (Only for standard version):

OPERATION E (Only for lightened version):

12. Check that the wiring (1) is not damaged due
to contact with the screw/clip on the heat
shield.

15. Check that the wiring (1) is not damaged due
to contact with the screw/clip on the heat
shield.

13. If the wiring (1) is intact and undamaged, add
the cable tie (N90937701) by attaching it to
the second wiring (2) of the GDI pump. After
applying the cable tie, check that the wiring
(1) does not touch the screw/clip.

16. If the wiring (1) is intact and undamaged, add
the cable tie (N90937701) by attaching it to
the second wiring (2) of the GDI pump. After
applying the cable tie, check that the wiring
(1) does not touch the screw/clip.

1

2

1
2

1

14. If the wiring (1) has suffered any kind of
damage, open a claim on the Liass portal.

1

Rev.01

17. If the wiring (1) has suffered any kind of
damage, open a claim on the Liass portal.

1

The procedures and information published herein are strictly confidential and are intended exclusively for recognized professionals and persons who are authorized to receive said information. All copyrights are the property of
Automobili LamborghinieBay logo S.p.A pursuant to copyright law. The company reserves the right to make updates and
modifications as needed. The reprinting, reproduction, distribution to unauthorized persons and/or to third parties, and the partial or complete translation of the material contained herein are prohibited without the express
written consent of Automobili LamborghinieBay logo S.p.A.
Doc. no.: L/V6_M06 Rev.[07]

5/6

To:
Subject:
Date:
Pages

L634A.01.26

After Sales Official Network
Rework routing RH VVT cable
16/01/2026
6

Follow the instructions given in the Workshop
Manual at the following path:
18. Racing hood - lightened version (Optional) –
Installation procedure
Body and Chassis > Exterior > Engine Hood
and Opening System > Engine Hood > Racing
hood - lightened version (Optional) Installation procedure

IMPORTANT:
The documents which must be provided together
with the operation under warranty request are:
-

Produced Repair Order

-

Saved Diagnostic Protocol wirh BETA
report

Failure to follow these procedures could lead
to the request being rejected.

For more information, please contact your Area
Manager or open a ticket to Technical Support in
LamborghinieBay logo KEY (Request – General Information
– After Sales Services - After Sales Technical
Support).

Regards,
LamborghinieBay logo Service

Rev.01

The procedures and information published herein are strictly confidential and are intended exclusively for recognized professionals and persons who are authorized to receive said information. All copyrights are the property of
Automobili LamborghinieBay logo S.p.A pursuant to copyright law. The company reserves the right to make updates and
modifications as needed. The reprinting, reproduction, distribution to unauthorized persons and/or to third parties, and the partial or complete translation of the material contained herein are prohibited without the express
written consent of Automobili LamborghinieBay logo S.p.A.
Doc. no.: L/V6_M06 Rev.[07]

6/6

1

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TSB/Document ID: L634-A.01.26

Replacement Service Bulletin Number:

MFR Communication Date: 2026-01-17

MFR Internal Campaign ID/Software Version: L634-A.01.26

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ENGINE

MFR Component System:

MFR Component Subsystem:


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