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2010 Land Rover Range Rover Sport (LS) V8-5.0L Technical Service Bulletin # TECLTB00456 Date: 120504

2010 Land Rover Range Rover Sport (LS) V8-5.0L Technical Service Bulletin # TECLTB00456 Date: 120504



Steering - System Remains In Highway Assist Mode At Low Speed



TECHNICAL BULLETIN



LTB00456NAS1



04 MAY 2012



SECTION: 211



Steering Remains in Highway Assist Mode at Low Vehicle Speed



AFFECTED VEHICLE RANGE:



Range Rover Sport (LS)



VIN: Model Year: AA212147 - Onwards 2010 - Onwards



CONDITION SUMMARY:



Situation:



The power steering system performance may not be as expected at low vehicle speed with Diagnostic Trouble Code (DTC) B12FB-12 stored in the



Body Control Module (BCM). This may be caused by software strategy in the BCM.



Action:



In the event of a customer concern of the above, refer to the Repair Procedure outlined below to update the BCM software.



2010 Land Rover Range Rover Sport (LS) V8-5.0L Page 36



PARTS:



No parts required



TOOLS:



IDS with latest IDS-DVD and Calibration File; first available on IDS-DVD129.06 v104 Land Rover-approved Midtronics Vehicle Power Supply



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



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.



1. 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-DVD129.06 v104 or later.



3. Connect the IDS to the vehicle and begin a new Symptom Driven Diagnostics (SDD) session.



4. Follow the on-screen prompts, allowing SDD to read the VIN and initiating the data collect sequence. From the Session Type selection screen,



choose 'Diagnosis'.



NOTE:



DTC B12FB-12 must be stored in the BCM.



6. Select the 'Selected Symptoms' tab, and then select:



^ Chassis > Steering system > Steering system symptoms > Steering too heavy



7. Select 'continue'.



8. Select the 'Recommendations' tab.



9. From the Recommendations tab, select 'Run' to 'Configure existing module - Body control module'



^ Follow all on-screen instructions to complete this task.



10. Exit the current session.



11. Disconnect the IDS and the Midtronics Vehicle Power Supply from the vehicle.

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