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LTB01204NAS1 - Engine MIL Illuminated With DTC P0234-77 Stored | TOPIx

LT B 0 1 2 0 4 N A S 1

TECHNICAL BULLETIN
11 JUN 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:
303-04: Fuel Charging and Controls

S U B J E C T/ C O N C E R N :
Engine MIL Illuminated With DTC P0234-77 Stored

AFFECTED VEHICLE RANGE:
MODEL:

MODEL YEAR:

VIN:

ASSEMBLY PLANT:

APPLICABILITY:

Range Rover Sport (LW)

2016

519971-599874

Solihull

TDV6 3.0L Diesel

Range Rover Sport (LW)

2016-2018

617562-699492

Solihull

TDV6 3.0L Diesel

Range Rover Sport (LW)

2016-2018

100369-199996

Solihull

TDV6 3.0L Diesel

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MODEL:

MODEL YEAR:

VIN:

ASSEMBLY PLANT:

APPLICABILITY:

Range Rover Sport (LW)

2018 Onwards

400291 Onwards

Solihull

TDV6 3.0L Diesel

Range Rover Sport (LW)

2018 Onwards

800063 Onwards

Solihull

TDV6 3.0L Diesel

Range Rover (LG)

2016-2018

216967-399999

Solihull

TDV6 3.0L Diesel

Range Rover (LG)

2018 Onwards

500017 Onwards

Solihull

TDV6 3.0L Diesel

MARKETS:
NORTH AMERICA

CONDITION SUMMARY:

SITUATION:
The engine Malfunction Indicator Lamp (MIL) may be illuminated on the Instrument Cluster with
Diagnostic Trouble Code (DTC) P0234-77 stored in the Powertrain Control Module (PCM). DTCs
P2463-00 and P246B-00 may also be stored.
CAUSE:
This may be caused by a component fault.
ACTION:
Should a customer express this concern, follow the Diagnostic Procedure and Workshop Procedure(s)
below.

PA RTS :
PART NUMBER

DESCRIPTION

QUANTITY

LR078546

Intake air shutoff throttle

1

LR063121

Inlet hose clamp

1

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TOOLS:



Jaguar Land
Rover-approved
Midtronics battery
power supply



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



95-0106

Jaguar Land
Rover-approved
diagnostic tool
with latest
PATHFINDER
software

High Pressure
Diagnostic Leak
Detector

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

Leakage test using smoke test equipment

01.01.28

0.4

41

LR078546

Read and clear Diagnostic Trouble Codes
(DTC's)

12.90.16

0.2

41

LR078546

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DESCRIPTION
Intake air shutoff throttle - Renew

TIME
(HOURS)

SRO
19.70.32

0.5

CONDITION
CODE
41

CAUSAL
PART
LR078546

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 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.
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 SDD153.04
Software Management Pack v296 (or later) OR PATHFINDER 164 (or later).
Connect the Jaguar Land Rover-approved diagnostic tool to the vehicle and begin a new
session.

3

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

4

Read the Diagnostic Trouble Codes (DTCs).
If DTC P0234-77 is stored, go to Workshop Procedure 'A'.

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If DTC P0234-77 is not stored, do not continue with this Technical Bulletin.
Perform diagnosis as per TOPIx Workshop Manual section 100-00: General
Information - Description and Operation.
5

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

WORKSHOP PROCEDURE 'A':

NOTE:
Diagnostic Trouble Code (DTC) P0234-77 can be attributed to a leak in the air intake system.
1

Complete a leakage test on the intake system using smoke test equipment (see TOPIx
Workshop Manual section 303-00: Engine system general information - General procedures Leakage test using smoke test equipment).
If a leak is not found, go to Service Instruction B.
If a leak Is found, repair as required (see TOPIx Workshop Manual).
To be performed as a separate claim.
When the leak repair is complete, go to the next step.

2

NOTE:
The Jaguar Land Rover-approved diagnostic tool must be loaded with SDD153.04
Software Management Pack v296 (or later) OR PATHFINDER 164 (or later).
Begin a new session.

3

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

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4

Read and clear all Diagnostic Trouble Codes (DTCs).

5

Retest the vehicle.

6

After the retest, read the DTCs.
If DTC P0234-77 is not stored, do not continue with this Technical Bulletin.
Go to the next step.
If DTC P0234-77 is stored, go to Service Instruction 'B'.

7

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

8

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

WORKSHOP PROCEDURE 'B':

1

Replace the intake air shutoff throttle (see TOPIx Workshop Manual section 303-04: Fuel
Charging and Controls - Removal and Installation - Intake Air Shutoff Throttle).

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