Diagnostic Trouble Code (DTC) Information Mmm-1000

Condition 

Fig 1: Identifying Multimedia Module (MMM)

Courtesy of VOLVO CARS CORPORATION

Diagnostic trouble code (DTC) MMM-1000 is stored if the multimedia module (MMM) registers a difference between the written and read data.

Diagnostic trouble code (DTC) MMM-1000 can be diagnosed when the ignition is on.

Substitute Value 

• None.

Possible Source 

• Difference between the written and read data in the control module.

Fault symptom[s] 

• The multimedia system is not working.