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TECHNICAL BULLETIN
JTB00437NAS1
27 JUL 2015
© Jaguar Land Rover Limited
All rights reserved.

SECTION: 303-00

Poor Engine Idle Quality From Cold Start When Selecting Forward Or
Reverse Gears
AFFECTED VEHICLE RANGE:
XF (X250)
Model Year:
2013-2015
VIN:
S47999-U88785
Manufacturing Plant: Castle Bromwich

Engine: GTDi 2.0L Petrol

MARKETS:
NAS

CONDITION SUMMARY:
Situation: Poor engine idle quality from a cold start when selecting forward or reverse gears may be evident
with vibrations felt through the seat and steering wheel when the reverse or drive gear is selected and lasting
approximately 40-60 seconds while improving over time.
Cause: This may be caused by the Engine Control Module (ECM) calibration..
Action: Should a customer express this concern, follow the Service Instruction below.

PARTS:
No Parts Required

TOOLS:
NOTE: this is an 'Active Bulletin' that will display a functional programming shortcut if
accessed within a diagnostic session using SDD.
SDD with latest DVD and Calibration File
Jaguar Land Rover-approved Midtronics battery power supply

WARRANTY:
NOTE: the Engine Control Module (ECM) may also be referred to as the Powertrain Control
Module (PCM).
NOTE: 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 TOPIx to obtain the
latest repair time.
NOTE: DDW 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

Update Engine Control Module (ECM)
software

86.99.13

0.3

42

C2D28940

http://topix.jaguar.jlrint.com/topix/service/document/558099

8/4/2015

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NOTE: Normal Warranty procedures apply.

DIAGNOSTIC PROCEDURE:
CAUTION: a Jaguar Land Rover-approved Midtronics battery power supply must be connected to
the vehicle battery during SDD diagnosis / module programming.
CAUTION: ensure all ignition 'ON' / ignition 'OFF' requests are carried out; failure to perform these
steps may cause damage to control modules in the vehicle.
NOTE: SDD must be loaded with DVD142.02 v.211 or later.

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

NOTE: the Engine Control Module (ECM) may also be referred to as the Powertrain Control Module
(PCM).

2. Turn ignition 'ON' (engine not running).

3. Connect the Symptom Driven Diagnostics (SDD) system to the vehicle and begin a new session.

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

5. Select 'Diagnosis' from the Session Type screen.

6. Select the 'Selected Symptoms' tab, and then select:
1. Select the Symptoms tab and enter one of the following Symptoms.
• Powertrain > Engine system > Engine performance > Engine judders and shakes > When cold
• Powertrain > Engine system > Engine performance > Engine vibrates > When cold
• Powertrain > Engine system > Engine performance > Poor idle > When cold

7. Select 'continue'.

8. Select the 'Recommendations' tab, and then select 'Run' to perform the 'Configure existing module Powertrain control module' option.

9. Follow all on-screen instructions to complete this task, ensuring all DTCs are cleared.

10. Exit the current session.

11. Disconnect the SDD and the battery power supply from the vehicle.

http://topix.jaguar.jlrint.com/topix/service/document/558099

8/4/2015