Possible fault patterns during the load test: Troubleshooting: Overview

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

The customer may have attached a USB hub (distributor) to the vehicle USB connection. Always run the USB test directly on the USB connection in the vehicle!
Check the USB connection.
Check lines and plug connections in vehicle.
Check control unit.

NOTE: If the test was not successful, a vehicle diagnosis must be carried out with ISTA!