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LTB01238NAS2 - 'Smart key not found' Message Displayed and Poor Smart key Operation | TOPIx

LT B 0 1 2 3 8 N A S 2

TECHNICAL BULLETIN
10 JAN 2019

© Jaguar Land Rover North America, LLC
NOTE: The information in Technical Bulletins is intended for use by trained, professional Technicians
with the knowledge, tools, and equipment required to do the job properly and safely. It informs these
Technicians of conditions that may occur on some vehicles, or provides information that could assist in
proper vehicle service. The procedures should not be performed by 'do-it-yourselfers'. If you are not a
Retailer, do not assume that a condition described affects your vehicle. Contact an authorized Land
Rover service facility to determine whether this bulletin applies to a specific vehicle.

I N F O R M AT I O N

This reissue replaces all previous versions. Please destroy all previous versions.
Changes are highlighted in blue

SECTION:
419-00

S U B J E C T/ C O N C E R N :
'Smart key not found' Message Displayed and Poor Smart key Operation

AFFECTED VEHICLE RANGE:
MODEL:
https://topix.landrover.jlrext.com/topix/content/document/view?id=950973

MODEL YEAR:

VIN:
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LTB01238NAS2 - 'Smart key not found' Message Displayed and Poor Smart key Operation | TOPIx

MODEL:

MODEL YEAR:

VIN:

Discovery (LR)

2018

047448-079570

Range Rover Sport (LW)

2018

181320-813922

Range Rover (LG)

2018

380217-516166

MARKETS:
NORTH AMERICA

CONDITION SUMMARY:

SITUATION:
A 'Smart key not found' message may be displayed on the Instrument Cluster and poor Smart key
operation may be evident.
CAUSE:
This may be caused by a wiring harness issue or faulty Radio Frequency (RF) antenna.
ACTION:
Should a customer express this concern, follow the Diagnostic Procedure and Workshop Procedure
below.

PA RTS :
PART NUMBER

DESCRIPTION

QUANTITY

Discovery
LR112609

RF Antenna with Coaxial Cable

1

BNP3996

Adhesive pad(s)

12

LR091317

Headliner trim clip(s)

1

LR034879

B-pillar trim clip(s)

4

LR036129

C/D-pillar trim clip(s)

16

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PART NUMBER

DESCRIPTION

QUANTITY

LR090727

C/D-pillar trim clip(s)

6

LR082272

C/D-pillar trim clip(s)

4

LR112609

RF Antenna with Coaxial Cable

1

BNP3996

Adhesive pad(s)

12

LR043263

Headliner trim clip(s)

1

LR034879

B-pillar trim clip(s)

4

LR006101

C-pillar trim clip(s)

4

LR036129

C-pillar trim clip(s)

4

LR034879

C-pillar trim clip(s)

4

LR038293

D-pillar trim clip(s)

8

LR112609

Radio Frequency (RF) Antenna with Coaxial Cable

1

BNP3996

Adhesive pad(s)

16

LR043263

Headliner trim clip(s)

1

Range Rover Sport

Range Rover

TOOLS:



Jaguar Land
Rover-approved
Midtronics battery
power supply

Jaguar Land
Rover-approved
diagnostic
equipment with
latest
PATHFINDER
software

WARRANT Y:

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NOTES:
Repair procedures are under constant review, and therefore times are subject to change;
those quoted here must be taken as guidance only. Use TOPIx to obtain the latest repair time.
The JLR claims submission system requires the use of causal part numbers. Labor only claims
must show the causal part number with a quantity of zero.
DESCRIPTION

SRO

TIME (HOURS)

CONDITION CODE

CAUSAL PART

RFA coaxial cable -- Range Rover

86.54.39

2.00

07

LR112609

RFA coaxial cable -- Range Rover Sport

86.54.39

1.8

07

LR112609

RFA coaxial cable -- Discovery

86.54.39

2.1

07

LR112609

NOTE:
Normal Warranty procedures apply.

DIAGNOSTIC PROCEDURE:

CAUTIONS:
A Jaguar Land Rover-approved Midtronics battery power supply must be connected to the
vehicle startup battery.
All ignition ON/OFF requests MUST be performed; failure to do these steps may cause
damage to vehicle control modules.
1

Connect the Jaguar Land Rover-approved Midtronics battery power supply to the vehicle
startup battery.

2

NOTE:
The Jaguar Land Rover-approved diagnostic equipment must be loaded with
PATHFINDER version 209 (or later).