No Audio Sound Or Av Button Greyed Out Gen2.1 (Most Reset) (SSM69158)

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

Publication date: 2018-05-16
Reference number: SSM69158

NO AUDIO SOUND OR AV BUTTON GREYED OUT GEN2.1 (MOST RESET)

TECHNICAL SERVICE BULLETIN

Reference Number(s): SSM69158, Date of Issue: May 16, 2018

LAND ROVER:	LR3/L319; Range Rover/L405; Range Rover Sport/L320; Range Rover Sport/L494
SERVICE CATEGORY:	Electrical

ISSUE

A customer may report a concern of no sound from the audio system, even when the volume is turned up. The Audio/Video button on touch-screen home page may also be greyed out.

CAUSE

One of the modules situated on the MOST bus, such as Audio Amplifier Module or Audio Control Module, have a software conflict.

ACTION

Perform diagnosis using Symptom Driven Diagnostics (SDD). If these checks reveal a particular module to be at fault, perform a 'hard reset' by disconnecting the module for at least 60 seconds before reconnecting. If this does not rectify the issue, continue diagnosis with reference to SDD and TOPIx.

Technicians - Please rate this SSM and provide comments so that future communications can be improved.

1 = Poor - Basic information provided - The SSM does not help me resolve the customer concern.

3 = Average - Adequate information provided - The SSM partially helps me resolve the customer concern.

5 = Excellent - All required information provided to resolve the customer concern.