Diagnostic Trouble Code (DTC) Information Sub-U300042

Condition 

Subwoofer module (SUB) checks internal components.

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

• Data cannot be read from or written to the control module memory.

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

• Reading off or writing to the control module memory.

Fig 1: Identifying Subwoofer Module (SUB)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• The standard values are used.

Possible Source 

• Damaged subwoofer module (SUB).

Fault symptom[s] 

• Audio other/Other audio problems
• No sound from subwoofer