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Antitheft - False Alarm Activation

NO: LTB00383 (ISSUE 1)

03 JUNE 2011

SECTION: 419
Alarm False Activation

AFFECTED VEHICLE RANGE:
Range Rover (LM) VIN: AA323265 - Onwards
Model Year: 2010 - Onwards

CONDITION SUMMARY:

Situation:

The vehicle alarm may be activated with the alarm trigger history indicating that one or both of the rear doors is the source of the alarm trigger. This may be caused by the rear doors incorrectly reporting that they are open when the vehicle is woken up.

Action:

In the event of a customer concern of the above, refer to the Repair Procedure outlined below to update the Driver and Passenger door modules software

PARTS:
No parts required

TOOLS:
IDS with latest IDS-DVD and Calibration File; first available on IDS-DVD125_V5.07 Calibration File 72 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.

REPAIR PROCEDURE

UPDATE THE DRIVER AND PASSENGER DOOR 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.

2. Turn ignition ON (engine not running).

NOTE:
IDS must be loaded with IDS-DVD125_V5.07 or later and Calibration File 72 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 identify the vehicle.

5. From the Session Type selection screen, choose "Diagnosis".

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

^ Body> Security and locking > Anti-theft alarm system> False trigger

7. Run Module information - Alarm trigger history

8. Confirm that one or both of the rear doors is the source of the alarm trigger.

^ If one or both of the rear doors is the source of the alarm trigger, continue to step 10.

^ If one or both of the rear doors is not the source of the alarm trigger, diagnose and repair as a separate claim.

9. From the Recommendations tab, select Run to configure the Driver door control module

10. From the Recommendations tab, select Run to configure the Passenger door control module

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

11. Exit the current session.

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