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LT B 0 1 2 6 1 N A S 1

TECHNICAL BULLETIN
30 NOV 2018

© 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

SECTION:
414-00

S U B J E C T/ C O N C E R N :
Auto Stop/Start System Not Functioning As Expected

AFFECTED VEHICLE RANGE:
MODEL:

MODEL YEAR:

VIN:

Discovery Sport (LC)

2017

606801-721747

Discovery (LR)

2017

000001-047447

Range Rover Evoque (LV)

2017

136146-267150

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MODEL:

MODEL YEAR:

VIN:

Range Rover Velar (LY)

2018

700000-778647

Range Rover Sport (LW)

2017

593746-695612

Range Rover (LG)

2017

293074-380216

MARKETS:
NORTH AMERICA

CONDITION SUMMARY:

SITUATION:
The Auto stop/start system may not function as expected.
CAUSE:
This may be caused by a Gateway Module (GWM) software error.
ACTION:
Should a customer express this concern, follow the appropriate Diagnostic Procedure below.

PA RTS :
No Parts Required

TOOLS:

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


Jaguar Land
Rover-approved
Midtronics battery
power supply

Jaguar Land
Rover-approved
diagnostic
equipment with
latest SDD
Software
Management Pack


Jaguar Land
Rover-approved
diagnostic
equipment with
latest
PATHFINDER
software

WARRANT Y:

NOTES:
Repair procedures are under constant review, and therefore times are subject to change;
those quoted here must be taken as guidance only. Always refer to JLR claims submission
system 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

Stop/start system - Healthcheck

86.90.89.74

0.2

04

LR073414

Gateway Module (GWM) configuration

86.90.97

0.2

04

LR073414

NOTE:
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Normal Warranty procedures apply.

DIAGNOSTIC PROCEDURE 'A':

This Diagnostic Procedure is for the following vehicles ONLY: Discovery Sport (L550), Range Rover
Evoque (L538).
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.

NOTE:
Use the Jaguar Land Rover claims submission system for Field Service Action program eligibility
requiring a Gateway Module (GWM) software update. If eligible, perform and claim the update
as per that program using the latest SDD software.
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
SDD155.01 Software Management Pack v306 (or later).
Connect the Jaguar Land Rover-approved diagnostic equipment to the vehicle and begin a
new session.

3

Follow all on-screen instructions.

4

If the hyperlink is not available:
1 Select Diagnosis from the Session Type screen.

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2 Select the Selected Symptoms tab and the select:
Powertrain -- Engine system -- Starting system -- Start-stop system -Inoperative OR
Powertrain -- Engine system -- Starting system -- Start-stop system -Intermittent operation
3 Select continue.
4 Select the Recommendations tab.
5 Select Run to perform the 'Powertrain -- Stop/start system -- Healthcheck' option.
6 Investigate and rectify any other auto stop/start inhibits other than the 'Estimated Cold
Cranking Voltage at Present State of Charge'
5

If the hyperlink is not available:
1 Select Diagnosis from the Session Type screen.
2 Select the Selected Symptoms tab and the select:
Powertrain -- Engine system -- Starting system -- Start-stop system -Inoperative OR
Powertrain -- Engine system -- Starting system -- Start-stop system -Intermittent operation
3 Run and close the Datalogger tool to reveal the 'Extras' tab.
4 Select the Extras tab.
5 Select Run to perform the 'Configure existing module -- Gateway module' option.

6

Follow all on-screen instructions until the application completes successfully.
1 When prompted, select the Clear DTCs option following completion of the software
download.
2 Follow the on-screen instructions until the application finishes successfully.

7

Exit the current session.
1 Select the Session tab.
2 Select the Close Session option.

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Disconnect the diagnostic equipment and battery power supply from the vehicle.

DIAGNOSTIC PROCEDURE 'B':

This Diagnostic Procedure is for the following vehicles ONLY: Discovery (L462), Range Rover Velar
(L560), Range Rover Sport (L494), Range Rover L405).
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.

NOTE:
Use the Jaguar Land Rover claims submission system for Field Service Action program eligibility
requiring a Gateway Module (GWM) software update. If eligible, perform and claim the update
as per that program using the latest PATHFINDER software.
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 201 (or later).
Connect the Jaguar Land Rover-approved diagnostic equipment to the vehicle and begin a
new session.

3

NOTE:

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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 Guided Diagnostics -- Powertrain -- Engine -- Auto Stop-Start system.

5

Select Next.

6

NOTE:
The Jaguar Land Rover-approved Midtronics battery power supply must be
disconnected before starting the engine.
Follow the Stop Start healthcheck on screen prompts.

7

Exit the current session.
1 If required, reset the vehicle to Transit mode.
2 Select the Exit icon.

8

Disconnect the diagnostic equipment and battery power supply from the vehicle.

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