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LT B 0 1 0 6 8 N A S 2

TECHNICAL BULLETIN
15 AUG 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

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

SECTION:
412-01: Climate Control

S U B J E C T/ C O N C E R N :
Climate Control System Air Distribution Fault

AFFECTED VEHICLE RANGE:
MODEL:

MODEL YEAR:

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VIN:

ASSEMBLY PLANT:
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MODEL:

MODEL YEAR:

VIN:

ASSEMBLY PLANT:

Discovery Sport (LC)

2016-2018

544577-727080

Halewood

Range Rover Evoque (LV)

2014-2015

856580-999999

Halewood

Range Rover Evoque (LV)

2015-2018

000051-275900

Halewood

MARKETS:
NORTH AMERICA

CONDITION SUMMARY:

SITUATION:
The air blowing through the A-pillar air vents may be noticeably cooler than the air blowing through
any other air vents, affecting the ability to set a constant, comfortable temperature in the passenger
compartment.
CAUSE:
This may be caused by a Heating Ventilation and Air Conditioning (HVAC) control module software
issue.
ACTION:
Should a Customer express this concern, follow the 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 tool
with latest SDD
Software
Management Pack

WARRANT Y:

NOTE:
The Heating Ventilation and Air Conditioning (HVAC) control module may also be referred to as
Air conditioning - Electronic Control Unit (ECU).

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
Air conditioning - Electronic Control Unit (ECU) configuration

SRO
82.90.11

TIME
(HOURS)
0.3

CONDITION
CODE
04

CAUSAL
PART
LR071289

NOTE:
Normal Warranty procedures apply.

DIAGNOSTIC PROCEDURE 'A': SDD
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This Diagnostic Procedure is only for vehicles requiring the Jaguar Land Rover-approved
diagnostic tool with Symptom Driven Diagnostics (SDD).
CAUTIONS:
A Jaguar Land Rover-approved Midtronics battery power supply must be connected to the
vehicle battery during diagnosis / module programming.
All ignition ON/OFF requests must be carried out. Failure to perform these steps may cause
damage to control modules in the vehicle.

NOTE:
Use DDW to check for Field Service Action program eligibility requiring an Heating Ventilation
and Air Conditioning (HVAC) control module software update. If eligible, perform and claim the
update as per that program.
1

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

2

NOTE:
The Jaguar Land Rover-approved diagnostic tool must be loaded with DVD153.00
Calibration File 292 (or later).
Connect the Jaguar Land Rover-approved diagnostic tool to the vehicle and begin a new
session.

3

Follow the on-screen prompts, allowing the diagnostic tool to read the VIN, identify the
vehicle, and initiating the data collect sequence.

4

If the hyperlink is not available:
1 Select Diagnosis from the Session Type screen.
2 Select the Selected Symptoms tab.
3 Select one of the following symptoms:

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Electrical - Climate control system - Temperature regulation - Will not heat to
required temperature
4 Run and close the Datalogger tool to reveal the 'Extras' tab.
5 Select the Extras tab.
6 Select Run to perform the 'Configure existing module - Heating ventilation and air
conditioning control module' option.
5

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 When all tasks are complete, go to the next Step.

6

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

7

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

D I A G N O S T I C P R O C E D U R E ' B ' : P AT H F I N D E R

This Diagnostic Procedure is only for vehicles requiring the Jaguar Land Rover-approved
diagnostic tool with PATHFINDER.
CAUTIONS:
A Jaguar Land Rover-approved Midtronics battery power supply must be connected to the
vehicle startup battery during diagnosis / module programming.
All ignition ON/OFF requests must be carried out. Failure to perform these steps may cause
damage to control modules in the vehicle.

NOTE:

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Use DDW to check for Field Service Action program eligibility requiring an Heating Ventilation
and Air Conditioning (HVAC) control module software update. If eligible, perform and claim the
update as per that program.
1

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

2

NOTE:
The Jaguar Land Rover-approved diagnostic tool must be loaded with PATHFINDER
version 151 (or later).
Connect the Jaguar Land Rover-approved diagnostic tool to the vehicle and begin a new
session.

3

NOTE:
The Jaguar Land Rover-approved diagnostic tool 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 HVAC Control Module [HVAC].

6

Select Update ECU.
1 Follow all on-screen instructions until the application completes successfully.
2 When all tasks are complete, go to the next Step.

7

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

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

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