Diagnostic Trouble Code (DTC) Information Sub-001B

Condition 

The diagnostic trouble code (DTC) is stored if the software has an incorrect version number.

The diagnostic trouble code can only be diagnosed when voltage is on (12 V). In other words, the diagnostic trouble code (DTC) can only be diagnosed when the ignition is turned from position 0 to positions II.

Fig 1: Identifying Subwoofer Module (SUB)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Software fault in the control module.

Fault symptom[s] 

• No sound from subwoofer