Air Suspension System Will Not Rise When In 'Rock CRAWL' Mode (LTB00471NAS1)

WARNING: This page is about the LR4 Base, which is a different variant/trim than selected.

Publication date: 2012-07-26
Reference number: LTB00471NAS1

AIR SUSPENSION SYSTEM WILL NOT RISE WHEN IN 'ROCK CRAWL' MODE

TECHNICAL SERVICE BULLETIN

Reference Number(s): LTB00471NAS1, Date of Issue: July 26, 2012

LAND ROVER:	2012 LR4 (LA), Range Rover Sport (LS)
SECTION:	418-00
AFFECTED VEHICLES:	LR4 (LA) VIN: CA591169 - CA631824 Model Year: 2012; Range Rover Sport (LS) VIN: CA709788 - CA759229 Model Year: 2012

CONDITION SUMMARY

Situation: The air suspension system may not rise to off-road height after selecting Terrain Response mode 'Rock Crawl'. The message 'Trailer connected off road height not selected automatically' may also be displayed in the message center.

Cause: This may be caused by a software parameter change in the Body Control Module (BCM).

Action: In the event of a customer concern of the above, refer to the REPAIR PROCEDURE outlined below to update the BCM software.

PARTS

No parts required

TOOLS

IDS with latest IDS-DVD and Calibration File; first available on IDS-DVD130.03 Calibration File 109

Land Rover-approved Midtronics Vehicle Power Supply

Refer to Workshop Manual for any required special 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.

WARRANTY INFORMATION

DESCRIPTION	SRO	TIME (HOURS)	CONDITION CODE	CAUSAL PART
Update BCM software	86.90.09	0.20	42	LR032733

Normal Warranty policies and procedures apply

REPAIR PROCEDURE

UPDATE THE BODY CONTROL MODULE SOFTWARE

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.

CAUTION: A Land Rover-approved Midtronics Vehicle Power Supply must be connected to the vehicle battery during IDS diagnosis/module programming.

Connect the Land Rover-approved Midtronics Vehicle Power Supply to the vehicle battery.
Turn ignition 'ON' (engine not running).
NOTE: IDS must be loaded with IDS-DVD130.03 v109 or later.
Connect the IDS to the vehicle and begin a new Symptom Driven Diagnostics (SDD) session.
Follow the on-screen prompts, allowing SDD to read the VIN and identify the vehicle.
From the Session Type selection screen, choose 'Diagnosis'.
Select the 'Selected Symptoms' tab, and then select either of the following:
- Chassis > Suspension system > Vehicle dynamic suspension > Height or
- Electrical > Instruments > Information or message center > Message display area or
- Electrical > Accessories > Trailer tow circuits
Select 'continue'.
Select the 'Recommendations' tab.
From the Recommendations tab, select 'Run' to 'Configure existing module - Body control module'
- Follow all on-screen instructions to complete this task.
Exit the current session.
Disconnect the IDS and the Midtronics Vehicle Power Supply from the vehicle.