NHTSA ID Number: 11027961
Manufacturer Communication Number: TSB-25512-01
TSB/Document Date: 2026-02-02
Summary
Improve the lubrication of the LST Controller Seals
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TSB/Document ID: TSB-25512-01
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-05
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25512-01
Model Jesko
–
Kit
Lubricate the LST Controller Seals
This instruction refers to other documents that are necessary to do the procedure.
Situation
The seals may not have been installed using the specified amount of grease as defined in the
quality procedures.
Action
Lubricate the seals to ensure that it is installed with the correct amount of grease specified in
this technical service.
WARNING
Always refer to the manufacturer’s safety data sheet for the chemicals and use
the necessary PPE. The chemicals can cause injury or death.
PPE
REFERENCE
QUANTITY
Protective gloves
–
1 pair
Safety goggles
–
1
TOOLS
SPECIFICATION
Cloth
–
–
General mechanical tools
–
–
CONSUMABLES
REFERENCE
Krytox GPL-105
130-183-9003
QUANTITY
QUANTITY
–
Prepare
1. Open the rear hood with the key fob or from the center console.
2. Disconnect the 12 V system, refer to WOM-00082.
3. Find the LST unit. It is installed on the rear of the LST gearbox.
© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety information
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.
1 [4]
TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25512-01
Model Jesko
–
Kit
Remove
1. Remove the zip tie
from the heat shield
for the LST control unit.
6×
2. Unlock 6× snap fasteners
from the heat shield
to remove it from the LST wiring
harness.
3. Discard the zip tie.
4. Disconnect the X256A
and the X256B
connectors from the LST control unit.
4.1 Use a plastic pry tool to press the lock of the connector. Then move the handle to
disconnect the connector from the LST control unit.
© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety information
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.
2 [4]
TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25512-01
Model Jesko
–
Kit
Lubricate the Seals
1. Remove the seal
carefully from the connector X256A.
XXX-XXX-XXXX
2. Do a check of the seal and make sure that there is no damage.
º If the seal is damaged, submit a KATS ticket to contact Koenigsegg and order a new
seal.
If
the seal is not damaged, continue with the next step.
º
3. Put on the personal protective equipment.
PPE: Protective gloves
PPE: Safety goggles
4. Clean the seal carefully with water, mild detergent and a cloth.
5. Lubricate the seal with a small quantity of grease. Make sure that the all the surfaces of the
seal have a full, thin layer of grease.
Consumable: Krytox GPL-105
WARNING
Make sure that the seal is correctly installed. If the seal is incorrectly installed
water can leak into the connector. This can cause damage to the vehicle or
injury to the persons.
6. Install the seal to the connector.
Note
Make sure that you put the seal in the groove. All corners of the seal must align with
the corners of the connector.
7. Remove the seal
carefully from the connector X256B.
8. Do steps 2 thru 6 to clean and lubricate the seal
.
© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety information
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.
3 [4]
TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25512-01
Model Jesko
–
Kit
Install
1. Connect the X256A
and the X256B
connectors to the LST control unit.
2. Make sure that the connectors are correctly connected to the LST control unit.
WARNING
Make sure that the seals are correctly installed. If the seals are incorrectly
installed water can leak into the connectors. This can cause damage to the
vehicle or injury to the persons.
3. Do an inspection to make sure that the seals are not deformed or pushed out from the
groove.
is deformed or pushed out from the groove, as in the picture, and
º If the seal
you did not use the new seal, order the new one. Do the steps in the section
Lubricate the Seals again.
If
the seal
is deformed or pushed out from the groove, as in the picture, but you
º
used the new seal, submit a KATS ticket to contact Koenigsegg.
º If the seals are not deformed or pushed out from the groove, continue with the next
step.
Not approved (left) and approved (right) example
4. Install the heat shield to the LST wiring harness and lock 6× snap fasteners.
5. Install the zip tie to the heat shield.
Warranty Information
If the repair is covered by the warranty terms, refer to Koenigsegg Warranty Process.
OPERATION
KWO502473
PART NO
Refer to the invoiced kit number.
© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety information
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.
4 [4]
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