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Loss Of Voice Related Features After Updating INCONTROL Touch Pro With Version 17C4 (SSM73792) — 2015 Land Rover Range Rover Supercharged Service Manual

Loss Of Voice Related Features After Updating INCONTROL Touch Pro With Version 17C4 (SSM73792)

WARNING: This page is about the Range Rover Base, which is a different variant/trim than selected.
Publication date: 2018-03-23
Reference number: SSM73792

LOSS OF VOICE RELATED FEATURES AFTER UPDATING INCONTROL TOUCH PRO WITH VERSION 17C4

LOSS OF VOICE RELATED FEATURES AFTER UPDATING INCONTROL TOUCH PRO WITH VERSION 17C4

TECHNICAL SERVICE BULLETIN

Reference Number(s): SSM73792, Date of Issue:  23-Mar-2018
LAND ROVER: Discovery / L462; Discovery Sport / L550; Range Rover / L405; Range Rover Evoque / L538; Range Rover Sport / L494; Range Rover Velar / L560
CATEGORY: Electrical

ISSUE

In some cases vehicles that have been updated to InControl Touch Pro version 17C4, the infotainment system can no longer process voice inputs or outputs. Common symptoms are reported as:

  • Voice commands are not recognized
  • Voice output such as spoken navigation guidance is inoperative.

CAUSE

During the process of updating the Infotainment Master Control module (IMC) a voice database can become corrupted. While the root cause of this issue is still under investigation, an interim solution is available to replace the corrupted database.

CORRECTION

  1. Confirm the symptoms match both descriptions above.
  2. If both voice input and output are affected, you will also probably find that the Voice Recognition menu is blank confirming a corrupted database.
    1. Open a TA case for escalation to the NGI recovery team.
    2. Additional details for scheduling a WebEx session will be provided via the TA process.
  3. If the issue is limited to a "voice input only" failure mode, this might be caused by a hardware failure of voice command button or microphone etc. Continue troubleshooting as normal and open a TA if required.
NOTE: Evoque convertible models do not support voice commands and the "voice command" button on the steering wheel only provides a "mute" function. For this vehicle this issue only applies to voice output such as navigation guidance

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