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Diagnostic Trouble Code (DTC) Information RDAR-U30004A

Condition 

The remote digital audio receiver module (RDAR) compares its configuration ID with the signal configuration the central electronic module (CEM) transmits on the CAN network. If the configuration IDs do not correspond the fault code is stored.

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

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

Fig 1: Identifying Remote Digital Audio Receiver Module (RDAR)
GLL153197Courtesy of VOLVO CARS CORPORATION

Substitute Value 

Possible Source 

Fault symptom[s]