Diagnostic Trouble Code (DTC) Information RSE-B125354

Condition 

The vehicle checks that all control modules on MOST-net has approved serial numbers.

The fault code is set if the vehicle detects that one or several control modules do not have valid serial numbers.

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

• The control module's serial number cannot be found in the list of approved serial numbers.
• The control module's serial number cannot be read within 25 seconds.

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

• Engine running.
• Control module supplied with power.

Fig 1: Identifying Rear Seat Entertainment Module (RSE)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Rear seat entertainment module (RSE) has an invalid serial number.

Fault symptom[s] 

• Rear seat entertainment/No/reduced/incorrect function