LR3 (LA) V6-4.0L (2006)
Compressor/Pump: Customer Interest
Suspension - Fault Messages Displayed/DTC's Set
No.: LA-204-002
Issue: 1
Date: February 22, 2006
SECTION: 204-05
Electronic Air Suspension Fault Codes
AFFECTED VEHICLE RANGE:
Land Rover LR3 (LA)
VIN: Up to 6A374641
CONDITION SUMMARY:
ELECTRONIC AIR SUSPENSION (EAS) WARNING MESSAGE AND LAMP ILLUMINATION
A customer may report a warning message "Suspension Fault - Normal Height Only" from the message center accompanied by the Air Suspension
Warning Lamp illumination. Diagnosis using the Worldwide Diagnostic System (WDS) reveals Diagnostic Trouble Code (DTC) C1A20-64 (pressure
increases too slowly while filling reservoir) or C113192 (unable to pressurize gallery). No air leaks are found.
Cause:
The compressor exhaust valve is sticking, causing an internal air leak when the compressor is active.
Action:
Should a customer express concern regarding the above, refer to the Repair Procedure detailed in this bulletin to renew the air compressor and update the
air suspension control module software.
PARTS:
NOTE:
Part RQG500090 is the latest specification air compressor with a stronger exhaust valve return spring. When the new air compressor is installed the
air suspension control module software must be updated to the latest specification, using WDS disc 13 or later.
RQG500090..........Air compressor assembly
Qty
1
TOOLS:
WDS Diagnostic Disc............LRCD13 or later
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
REPLACE AIR COMPRESSOR ASSEMBLY AND CONFIGURE EAS CONTROL MODULE SOFTWARE
1.
Check for air leaks at the following locations: