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Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Entertainment System Control Module > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Entertainment System Control Module: > TJ20560 > Mar > 11 > Infotainment Sys. - Intermittent NO Sound After Start-Up

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Entertainment System Control Module: All Technical Service Bulletins
Infotainment Sys. - Intermittent NO Sound After Start-Up

Title Intermittently no sound from infotainment system after start-up 

Ref No US20560.3.2 en-GB

Issuer - 

Partner 3 US 7510 Volvo Cars North America

Func Group 3900

Func Desc media, navigation and communication

Status Released

Status Date 2011-03-03

Issue Date 2011-03-03

Reference

Attachment

Vehicle Type

CSC

DTC

Text
CSC = Customer symptom code

This RTJ supercedes the old one dated 2009-04-30. Changes to this document are:
-Updated vehicle chassis breaks and structure week range.

DESCRIPTION:

Reports have been received stating that intermittently there is no sound from the infotainment system after start-up. This is valid for all sound sources.
Changing sound sources and volume setting etc is correctly displayed in the ICM (Infotainment Control Module). Switching the ignition off and then on
will bring the Infotainment system back to normal operation again.

PRODUCT MODIFICATION:

Analysis has shown that the root cause is related to a SW-bug in the IAM (Integrated Audio Module) software (SW). Improved IAM SW has been

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Entertainment System Control Module > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Entertainment System Control Module: > TJ20560 > Mar > 11 > Infotainment Sys. - Intermittent NO Sound After Start-Up

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