Fault-Tracing, Continued

Remedy in the following order.

1. Replace the control module's MOST-cables and the cables for the USB-port.
2. Load new software into the control module.

Other information: 

• see UNIVERSAL SERIAL BUS (USB) MODULE

• Continue 

  Refer to VERIFICATION 

The control module probably has an internal fault.

• Replace control module.

Other information: 

• see UNIVERSAL SERIAL BUS (USB) MODULE

Fig 1: Identifying Accessory USB Unit (AUU)

Courtesy of VOLVO CARS CORPORATION

• Continue 

  Refer to VERIFICATION