Range Rover (LM) V8-4.2L SC (2006)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - Hard Start/Rough Idle After Start Up
No: LTB00016
Issue: 1
Date: 20 December 2006
SECTION: 303-14 - ENGINE SYSTEM
Difficult Starting
AFFECTED VEHICLE RANGE:
Range Rover Sport (LS)
4.2L Supercharged only
VIN: 2006 MY vehicles only
Range Rover (LM)
4.2L Supercharged only
VIN: 2006 MY vehicles only
CONDITION SUMMARY:
DIFFICULT STARTING OR POOR IDLE AFTER STARTING SUPERCHARGED ENGINES
Situation: A customer may report a concern that the vehicle is difficult to start if it has been left standing for between 2-5 hours, or that the idle quality
is poor for a short period after starting. A calibration sensitivity issue in the Engine Control Module (ECM) software may be the cause.
Action: Should a customer express concern regarding the above, refer to the Repair Procedure detailed in this bulletin to update the Engine Control
Module software.
PARTS:
No parts required for this bulletin. Information purposes only.
TOOLS:
IDS DVD 104 with Patch File 2 (or later) software installed.
WARRANTY:
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 DDW to obtain the latest repair time.
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
Normal warranty policy and procedures apply.
REPAIR PROCEDURE
DOWNLOAD ENGINE CONTROL MODULE TUNE
1. If IDS DVD 104 - Patch File 2 (or later) is being used, go to step 6.
NOTE: A software patch installation help file located on GTR provides instructions for the patch file installation process and could take up to six
minutes to download depending on connection speed. For information on how to confirm that the patch file has been correctly installed onto IDS,
refer to the applicable Patch Process Help File located in GTR.
Global Technical Reference (GTR) lookup sequence is as follows: GTR Home > NAS > Diagnostics/ LS - Range Rover Sport/2006 > Patch Files
> "Patch Process Help File" link
NOTE: In response to reports of difficulties with downloading DVD104 Patch file 2 from GTR, Patch File 2 has been made available through a
link on Infotrail, in the Bulletins section, under "Other Publications" in the "Tools" section under "Download Links" or 'clicking' on the link.
NOTE: Refer to Special Service Message SSM 29158 for help with patch file installation difficulties.
2. Logon to GTR from an internet connected PC and download the IDS software patch installation help file as follows:
*
Select 'Home' from the menu at the top of the main page.
*
From the menus on the left of the page, select 'Diagnostics' as the 'Information Type' and select the relevant model and model year.
*
From the 'All Information' results, select 'Patch Files'.
*
Click the file link 'Patch Process Help File'.