LR3 (LA) V6-4.0L (2006)
Suspension Control Module: All Technical Service Bulletins
Suspension - Warning Chime/Lamp ON/DTC's Set
No.: LA204-004
Issue: 1
Date: June 12, 2006
SECTION: 204-05
Electronic Air Suspension Diagnostic Trouble Codes
AFFECTED VEHICLE RANGE:
LR3 (LA)
VIN: 5A000360 to 6A386748
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 one of the following Diagnostic Trouble Codes (DTC):
^
C1A37-01 or C1A38-01 (Front/Rear Cross-link Valve)
^
U2007-19 (Valve circuit current above threshold)
A software calibration sensitivity issue can incorrectly report a low current at the cross-link valve in cold conditions. The DTCs 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:
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.
REPAIR PROCEDURE
INSTALL LATEST RIDE LEVEL CONTROL MODULE SOFTWARE TUNE