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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Integrated Audio Module (IAM) And Infotainment Control Module (ICM) Diagnostic Trouble Codes >> IAM-U300087: Control Module. Bus Signal / Message Failures. Missing Message (2008-2010) >> Diagnostic Trouble Code (DTC) Information IAM-U300087
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Diagnostic Trouble Code (DTC) Information IAM-U300087

Condition 

The integrated audio module (IAM) uses settings from the vehicle configuration file in the central electronic module (CEM).

The integrated audio module (IAM) also uses settings from a local configuration file.

The diagnostic trouble code (DTC) is stored if the control module detects that:

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

NOTE:

The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Fig 1: Integrated Audio Module
GLL154731Courtesy of VOLVO CARS CORPORATION

Substitute Value 

Possible Source 

Fault symptom[s]