NHTSA ID Number: 10168886
Manufacturer Communication Number: JLRTB02014NAS1
TSB/Document Date: 2019-12-06
Summary
The heated seat feature may not operate as expected and a customer may express one of the follow concerns: The heated seat temperature is slow to increase after the feature has been turned ON. The heated seat temperature does not decrease after the feature has been turned OFF.
11/29/2019
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JLRTB02014NAS1
TECHNICAL BULLETIN
29 NOV 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.
INFORMATION
SECTION:
412-00
SUBJECT/CONCERN:
Heated Seat Feature Does Not Operate As Expected
AFFECTED VEHICLE RANGE:
MODEL:
MODEL
YEAR:
VIN:
ASSEMBLY
PLANT:
APPLICABILITY:
New Range Rover
Evoque (LZ)
2020
000120065550
Halewood
Vehicles Without: Climate
Controlled Seats
Discovery Sport (LC)
2020
360000850990
Halewood
Vehicles Without: Climate
Controlled Seats
Discovery (LR)
2020
410671423423
Nitra (Slovakia)
Vehicles Without: Climate
Controlled Seats
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1/5
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MARKETS:
NORTH AMERICA
CONDITION SUMMARY:
NOTE:
This technical bulletin only affects vehicles equipped with heated seats. Vehicles
equipped with climate seats are not affected.
SITUATION:
The heated seat feature may not operate as expected and a customer may express one of
the follow concerns:
• The heated seat temperature is slow to increase a er the feature has been turned
ON.
• The heated seat temperature does not decrease a er the feature has been turned
OFF.
CAUSE:
So ware error.
ACTION:
Follow the instruction below.
TOOLS:
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Jaguar Land Rover (JLR)
approved diagnostic equipment
JLR approved battery support
unit
WARRANTY:
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
Heating, ventilation, and air
conditioning (HVAC) Control Module Update - Replace ECU
SRO
TIME
(HOURS)
CONDITION
CODE
85.80.02
0.2
04
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CAUSAL PART
LR093609/LR115589/
LR126761
3/5
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NOTE:
Normal Warranty procedures apply.
DIAGNOSTIC INSTRUCTION:
1.
CAUTION:
This procedure requires a minimum of Pathfinder 261 installed or later.
NOTES:
The Jaguar Land Rover (JLR) approved diagnostic equipment will read the
Vehicle Identification Number (VIN) for the vehicle and automatically
take the vehicle out of ‘Transportation Mode’ if required.
All ignition ON/OFF instructions must be followed. Failure to complete
these instructions may cause damage to the vehicle control modules.
Connect the JLR approved battery support unit.
2.
Connect the JLR approved diagnostic equipment to the vehicle and begin a new
session.
3.
Follow the JLR approved diagnostic equipment prompts.
Select 'ECU Diagnostics'.
Select 'HVAC Control Module [HVAC]'.
Select 'Update ECU'.
Follow all on-screen instructions to complete the task.
Select 'ECU Functions'.
Select 'Run in air conditioning compressor'.
Follow all on-screen instructions to complete the task.
4.
If required, reset the vehicle to ‘Transportation Mode’.
5.
When all of the tasks are complete, exit the session.
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6.
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Disconnect the JLR approved diagnostic equipment and the JLR approved battery
support unit.
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5/5
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TSB/Document ID: JLRTB02014NAS1
Replacement Service Bulletin Number:
MFR Communication Date: 2019-11-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SEATS
MFR Component System:
MFR Component Subsystem:
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