NHTSA ID Number: 10199793
Manufacturer Communication Number: LTB01077NAS4
TSB/Document Date: 2021-08-03
Summary
A 'Gearbox not in park' message may be displayed on the Instrument Cluster with the transmission in 'P' (PARK).
7/5/2021
TECHNICAL BULLETIN
LT B 0 1 0 7 7 N A S 4
TECHNICAL BULLETIN
05 JUL 2021
© 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.
This bulletin supersedes TSB LTB01077NAS3/2018 dated 15 MAR 2018, which should
either be destroyed or clearly marked to show it is no longer valid (e.g. with a line across
the page). Only refer to the electronic version of this Technical Bulletin in TOPIx.
Changes are highlighted in blue
SECTION:
413-00
S U B J E C T/ C O N C E R N :
'Gearbox not in park' Message Displayed on Instrument Cluster
AFFECTED VEHICLE RANGE:
MODEL:
MODEL YEAR:
VIN:
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ASSEMBLY PLANT:
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7/5/2021
TECHNICAL BULLETIN
MODEL:
MODEL YEAR:
VIN:
ASSEMBLY PLANT:
Discovery (LR)
2017
000532-023790
Solihull
Range Rover Velar (LY)
2018
700125-702593
Solihull
Range Rover Sport (LW)
2017
124031-157499
Solihull
Range Rover Sport (LW)
2017
666892-688634
Solihull
Range Rover (LG)
2017
320324-357266
Solihull
MARKETS:
NORTH AMERICA
CONDITION SUMMARY:
SITUATION:
A 'Gearbox not in park' message may be displayed on the Instrument Cluster with the
transmission in 'P' (PARK).
CAUSE:
Body Control Module (BCM) software issue causing a false message to be displayed on
the instrument panel cluster.
ACTION:
Follow the instruction(s) below.
TOOLS:
https://www.odyssey.jlrint.com/odyssey/WorkflowHtmlComposition.do?wid=1616167379832
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7/5/2021
TECHNICAL BULLETIN
Jaguar Land Rover (JLR)
approved diagnostic equipment
JLR approved battery support
unit
WARRANT Y:
NOTE:
* When submitting your Warranty claim within the Warranty portal, use the
Condition Code list shown to select the Condition Code which best describes the
vehicle defect.
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
Gateway Module A (GWM) - Update ECU
BCM - Update ECU - With diagnostic
equipment connected
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
85.87.12
0.2
*
LR079621
85.86.22.02
0.1
*
LR079621
NOTE:
Normal Warranty procedures apply.
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TECHNICAL BULLETIN
DIAGNOSTIC INSTRUCTION
1.
CAUTIONS:
This procedure requires a minimum of Pathfinder 336 loaded or later.
All ignition ON/OFF instructions must be followed. Failure to complete
these instructions may cause damage to the vehicle control modules.
NOTE:
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.
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 'Gateway module 'A' [GWM]'.
Select 'Update ECU'.
Follow all on-screen instructions to complete the task.
Select 'Body Control Module [BCM]'.
Select 'Update ECU'.
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.
6.
Disconnect the JLR approved diagnostic equipment and the JLR approved
battery support unit.
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4/4
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TSB/Document ID: LTB01077NAS4
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-05
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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