NHTSA ID Number: 10152020
Manufacturer Communication Number: LTB01238NAS1
TSB/Document Date: 2018-12-17
Summary
A 'Smart key not found' message may be displayed on the Instrument Cluster and poor Smart key operation may be evident.
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NOTE:
The Jaguar
Land Rover
-approved diagnostic equipment will read the correct Vehicle
Identification Number (VIN) for the current vehicle and automatically take the vehicle
out of Transit mode (if required).
Follow all on-screen instructions.
4
Select ECU Diagnostics.
5
Select All DTCs.
If any DTC (Diagnostic Trouble Code) is stored in the Remote Function Actuator
(RFA), do not continue with this Technical Bulletin; investigate and repair (see
TOPIx Workshop Manual section 419-01: Anti-Theft -- Passive -- Diagnosis and
Testing -- Anti-Theft -- Passive). To be performed as a separate claim.
If there are no DTCs stored in the RFA, continue to the Workshop Procedure
below.
6
Exit the current session.
1 If required, reset the vehicle to Transit mode.
2 Select the Exit icon.
7
Disconnect the diagnostic equipment and battery power supply from the vehicle.
S E R V I C E I N F O R M AT I O N :
NOTE:
Some components have been removed for clarity.
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Discovery: Coaxial cable wiring harness route.
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Range Rover Sport: Coaxial cable wiring harness route.
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Range Rover: Coaxial cable wiring harness route.
W O R K S H O P P R O C E D U R E ' A ' - D I S C O V E R Y, R A N G E R O V E R S P O R T :
NOTES:
If the keyless entry functionality is correct, do not continue with this Technical Bulletin.
Continue diagnosis using the Jaguar
Land Rover
-approved diagnostic equipment and see
TOPIx Workshop Manual.
Check the voltage of the Smart key battery and replace if required.
The coaxial cable and Radio Frequency (RF) antenna cannot be replaced separately.
1
WARNING:
Avoid damaging the headlining.
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Lower the headliner for access:
DISCOVERY: (see TOPIx Workshop Manual section 501-05: Interior Trim and
Ornamentation -- Removal and Installation -- Headliner -- Removal Steps 1-22).
RANGE ROVER SPORT: (see TOPIx Workshop Manual section 501-05: Interior
Trim and Ornamentation -- Removal and Installation -- Headliner Remove for
Access and Refit).
2
Remove the loadspace right trim panel (see TOPIx Workshop Manual section 501-05: Interior
Trim and Ornamentation -- Removal and Installation -- Right Loadspace Trim Panel).
3
Remove the luggage compartment right upper trim panel (see TOPIx Workshop Manual
section 501-05: Interior Trim and Ornamentation -- Removal and Installation -- Luggage
Compartment Upper Trim Panel).
4
Inspect the coaxial cable from the Radio Frequency (RF) antenna to the Remote Function
Actuator (RFA) is correctly routed, secured in position, and is not trapped. Inspect the
condition of the connectors and the connector pins between the RF antenna and RFA for
damage. Make sure that connections are secure. Refer to the Service Information section
above for wiring harness routes and locations.
If the coaxial cable is damaged, incorrectly routed, or trapped, go to Step 7.
If the coaxial cable and/or connectors and connector pins are damaged, go to
Step 6.
If the coaxial cable is incorrectly routed or trapped, but no damage has occurred,
go to Step 5.
5
NOTE:
Re-use the adhesive pads where possible.
Route the coaxial cable as shown in the Service Information section above and secure in place
with adhesive pads to make sure the cable will remain in its position.
1 When all tasks are finished, go to Step 7
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NOTE:
The RF antenna must be located correctly in place by applying gentle pressure only to
both sides -- not in the middle -- of the antenna body.
Renew the RF antenna and Coaxial cable.
1 Route the coaxial cable as shown in the Service Information section above; secure in
place with adhesive pads to make sure the cable will remain in position
2 When all tasks are finished, go to Step 7
7
Test the Smart key functions.
If the customer concern is not evident (Smart key does function correctly), go to
Step 8.
If the customer concern is evident (Smart key does not function correctly),
diagnosis using the Jaguar
Land Rover
-approved diagnostic equipment and
TOPIx Workshop Manual.
8
Install the luggage compartment right upper trim panel (see TOPIx Workshop Manual section
501-05: Interior Trim and Ornamentation -- Removal and Installation -- Luggage Compartment
Upper Trim Panel).
9
Install the loadspace right trim panel (see TOPIx Workshop Manual section 501-05: Interior
Trim and Ornamentation -- Removal and Installation -- Right Loadspace Trim Panel).
10
WARNING:
Avoid damaging the headlining.
Install the headliner.
DISCOVERY: (see TOPIx Workshop Manual section 501-05: Interior Trim and
Ornamentation -- Removal and Installation -- Headliner -- Install Steps 8-11 only).
RANGE ROVER SPORT: (see TOPIx Workshop Manual section 501-05: Interior
Trim and Ornamentation -- Removal and Installation -- Headliner Remove for
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Access and Refit).
WORKSHOP PROCEDURE 'B' - RANGE ROVER:
NOTES:
If the keyless entry functionality is correct, do not continue with this technical bulletin.
Continue diagnosis using the Jaguar
Land Rover
(JLR) approved diagnostic equipment and
see TOPIx workshop manual.
Check the voltage of the Smart key battery and replace if required.
The coaxial cable and RF antenna cannot be replaced separately.
1
WARNING:
Avoid damaging the headlining.
Lower the headliner for access: (see TOPIx Workshop Manual section 501-05: Interior Trim and
Ornamentation -- Removal and Installation -- Headliner Remove for Access and Refit).
2
Remove the loadspace left trim panel (see TOPIx Workshop Manual section 501-05: Interior
Trim and Ornamentation -- Removal and Installation -- Left Loadspace Trim Panel).
3
Remove the luggage compartment left upper trim panel (see TOPIx Workshop Manual section
501-05: Interior Trim and Ornamentation -- Removal and Installation -- Luggage Compartment
Upper Trim Panel).
4
Inspect the coaxial cable from the Radio Frequency (RF) antenna to the Remote Function
Actuator (RFA) is correctly routed, secured in position, and is not trapped. Inspect the
condition of the connectors and the connector pins between the RF antenna and RFA for
damage. Make sure that connections are secure. Refer to the Service Information section
above for wiring harness routes and locations.
If the coaxial cable is damaged, incorrectly routed, or trapped, go to Step 7.
https://topix.landrover.jlrext.com/topix/content/document/view?id=939080
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If the coaxial cable and/or connectors and connector pins are damaged, go to
Step 6.
If the coaxial cable is incorrectly routed or trapped, but no damage has occurred,
go to Step 5.
5
NOTE:
Re-use the adhesive pads where possible.
Route the coaxial cable as shown in the Service Information section above and secure in place
with adhesive pads to make sure the cable will remain in its position.
1 When all tasks are finished, go to Step 7
6
NOTE:
The RF antenna must be located correctly in place by applying gentle pressure only to
both sides -- not in the middle -- of the antenna body.
Renew the RF antenna and Coaxial cable.
1 Route the coaxial cable as shown in the Service Information section above; secure in
place with adhesive pads to make sure the cable will remain in position
2 When all tasks are finished, go to Step 7
7
Test the Smart key functions.
If the customer concern is not evident (Smart key does function correctly), go to
Step 8.
If the customer concern is evident (Smart key does not function correctly),
diagnosis using the Jaguar
Land Rover
-approved diagnostic equipment and
TOPIx Workshop Manual.
8
Install the luggage compartment left upper trim panel (see TOPIx Workshop Manual section
501-05: Interior Trim and Ornamentation -- Removal and Installation -- Luggage Compartment
Upper Trim Panel).
https://topix.landrover.jlrext.com/topix/content/document/view?id=939080
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LTB01238NAS1 - 'Smart key not found' Message Displayed and Poor Smart key Operation | TOPIx
Install the loadspace left trim panel (see TOPIx Workshop Manual section 501-05: Interior Trim
and Ornamentation -- Removal and Installation -- Left Loadspace Trim Panel).
10
WARNING:
Avoid damaging the headlining.
Install the headliner (see TOPIx Workshop Manual section 501-05: Interior Trim and
Ornamentation -- Removal and Installation -- Headliner Remove for Access and Refit).
https://topix.landrover.jlrext.com/topix/content/document/view?id=939080
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TSB/Document ID: LTB01238NAS1
Replacement Service Bulletin Number:
MFR Communication Date: 2018-11-02
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 |
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