Range Rover (LM) V8-4.2L SC (2006)
Suspension Control Module: All Technical Service Bulletins
Suspension - 'Suspension Fault' Message/DTC's Set
No.: LM204-005
Issue: 1
Date: June 12, 2006
SECTION: 204-05
Electronic Air Suspension Diagnostic Trouble Codes
AFFECTED VEHICLE RANGE:
New Range Rover (LM) VIN: 6A198057 to 6A229544
CONDITION SUMMARY:
IMPROVED EAS SOFTWARE AVAILABLE TO RESOLVE DTC
Situation:
A customer may report that a two-chime warning occurs and that a flashing amber warning lamp turning to a steady amber lamp is illuminated. The
warning message "Suspension Fault" will also appear. Investigation using the Worldwide Diagnostic System (WDS) or the Integrated Diagnostic System
(IDS) may reveal Diagnostic Trouble Codes (DTC) C1A37-01 or C1A38-01 (Front/Rear Cross link Valve). A software calibration sensitivity issue can
incorrectly report a low current at the cross-link valve in cold conditions. The DTC may be logged under these conditions.
Action:
Should a customer express concern regarding the above, refer to the Repair Procedure detailed in this bulletin to update the air suspension Ride Level
Control Module software.
TOOLS
WARRANTY
REPAIR PROCEDURE
INSTALL LATEST RIDE LEVEL CONTROL MODULE TUNE
1.
If WDS has patch file 5 (WDS CD13 - Patch Files (or later)) installed or IDS DVD 100 with latest patch file is being used proceed 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
WDS/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/LM - New Range Rover/2006 > Patch Files > "Patch Process Help File - T4WDS or IDS" link
2.
Logon to GTR from an internet connected PC and download the WDS/IDS Patch Process Help File as follows: