Diagnostic Trouble Code (DTC) Information ICM-1A5D

Condition 

The infotainment module (ICM) checks the communication with the Accessory USB unit (AUU).

The diagnostic trouble code is stored if the control module detects:

• Fault in the communication with the Accessory USB unit (AUU).

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

• When the ignition has been on for at least 75 seconds and the battery voltage is above 11 V.

Fig 1: Identifying Accessory USB Unit (AUU)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• None.

Possible Source 

• Internal fault in the Accessory USB unit (AUU).
• No Accessory USB unit (AUU).

Fault symptom[s] 

• USB unit/Does not work