Diagnostic Trouble Code (DTC) Information IAM-U300049

Condition 

The Integrated Audio Module (IAM) checks internal components in the control module.

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

• Interrupted or no communication between the control module processor and the memory.

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

• Activated control module.

Fig 1: Identifying Integrated Audio Module (IAM)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Damaged integrated audio module (IAM).

Fault symptom[s] 

• Audio system does not function