Diagnostic Trouble Code (DTC) Information Mmm-U300049

Condition 

The multimedia module (MMM) checks internal control module components.

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

• Internal components do not work.

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

• Ignition switch position II.

Fig 1: Identifying Multimedia Module (MMM)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Damaged multimedia module (MMM).

Fault symptom[s] 

• Navigation; No Functionality