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2010 Land Rover Range Rover (LM) V8-5.0L Technical Service Bulletin # TECLTB00343 Date: 101216

2010 Land Rover Range Rover (LM) V8-5.0L Technical Service Bulletin # TECLTB00343 Date: 101216



Audio System - 'Tone' Or Crackle Noises



No: LTB00343 (ISSUE 1)



16 DEC 2010



2010 Land Rover Range Rover (LM) V8-5.0L Page 94



SECTION: 415



'Tone' / 'Crackle' Noise From Audio System



AFFECTED VEHICLE RANGE:



CONDITION SUMMARY:



Situation:



Vehicles fitted with the Premium / Logic 7(R) audio system only may generate a tone or crackle noise, regardless of the source selected or if the



system is 'ON' or 'OFF'. The noise may no longer be present after the vehicle is turned OFF and locked. This may be caused by a software issue



within the Audio amplifier.



Action:



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



PARTS:



No parts necessary



TOOLS:



IDS with latest IDS-DVD and Calibration File; first available on IDS-DVD123_V7.09 Calibration File 58



Land Rover-Approved Midtronics Vehicle Power Supply



Refer to Workshop Manual (GTR) 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.



Normal Warranty policies and procedures apply.



REPAIR PROCEDURE



UPDATE THE AUDIO AMPLIFIER 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.



NOTE:



IDS must be loaded with IDS-DVD123_V7.09 or later and Calibration File 58 or later.



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



3. Follow the on-screen prompts, allowing SDD to read the VIN and identify the vehicle.



2010 Land Rover Range Rover (LM) V8-5.0L Page 95



4. From the Session Type selection screen, choose 'Diagnosis'.



5. Select the Selected Symptoms tab, and then select one of the following:



^ Electrical > Information and entertainment system > Entertainment system > Audio - Audio distortion



^ Electrical > Information and entertainment system > Entertainment system > Audio - Audio sound quality poor



6. Select 'continue'.



7. Select the 'Recommendations' tab.



8. From the Recommendations tab, select Run to configure the 'Audio amplifier module'



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



9. Exit the current session.



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

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