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JTB00637NAS1 - Hesitation/Harsh Transmission Gear Change | TOPIx

JTB00637NAS1

TECHNICAL BULLETIN
11 APR 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 Jaguar
service facility to determine whether this bulletin applies to a specific vehicle.

INFORMATION

SECTION:
307-01: Automatic Transmission/Transaxle

SUBJECT/CONCERN:
Hesitation/Harsh Transmission Gear Change

AFFECTED VEHICLE RANGE:
MODEL:

MODEL YEAR:

VIN:

ASSEMBLY PLANT:

APPLICABILITY:

F-PACE (X761)

2018

249771-292228

Solihull

INGENIUM I4 2.0L Petrol

XE (X760)

2018

P18140-P38100

Castle Bromwich

INGENIUM I4 2.0L Petrol

XF (X260)

2018

Y53235-Y68660

Castle Bromwich

INGENIUM I4 2.0L Petrol

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MARKETS:
NORTH AMERICA

CONDITION SUMMARY:

SITUATION:
One or more of the following transmission issues may be evident:
• Hesitation when engaging gear;
• Harsh gear change after pulling away from a stationary position; and/or
• Harsh gear change when driving.

CAUSE:
This may be caused by the engine and/or transmission calibration software.

ACTION:
Should a customer express this concern, follow the Diagnostic Procedure below.

PARTS:
No Parts Required

TOOLS:



Jaguar Land Roverapproved
Midtronics battery
power supply

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Jaguar Land Roverapproved
diagnostic tool with
latest PATHFINDER
software

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WARRANTY:

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

Configure Existing Powertrain Control Module

86.98.60

0.2

04

T4N20391

Configure Existing Transmission Control Module (With Approved
Diagnostic Equipment Connected)

86.99.14.03

0.1

04

T4N20391

NOTE:
Normal Warranty procedures apply.

DIAGNOSTIC PROCEDURE:

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 the Jaguar Land Rover claims submission system to check for Field Service Action program
eligibility requiring a Powertrain Control Module (PCM) 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 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 Powertrain control module [PCM].

6

NOTE:
Running the Powertrain Control Module (PCM) software update will also automatically
check, and update if required, the Transmission Control Module (TCM) software.
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.

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

8

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

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