ADT Computer Systems & Software Updates 2

Question 1

Which Audi tool is used to perform an online software update (flash) on an ECU via the vehicle's OBD port?

Accepted Answer

ODIS-S (Service)

Answer

ODIS-S (Offboard Diagnostic Information System – Service) is the factory tool used for ECU flash updates via OBD on Audi vehicles.

Question 2

When an Audi gateway control module (GW) blocks communication with other ECUs, what must a technician do before coding or flashing?

Accepted Answer

Enter a security access code or activate gateway release in ODIS

Answer

The gateway (GW) module requires a security access/release code in ODIS to allow diagnostic communication through to other ECUs.

Question 3

A technician needs to update the Audi MMI system software. Which delivery format is typically used for MMI map and software updates in current Audi models?

Accepted Answer

SD card or USB flash drive

Answer

Current Audi MMI software and map updates are distributed on SD card or USB flash drives that are inserted into the vehicle's media slot.

Question 4

After completing an ECU software update on an Audi, why is it essential to perform a 'basic setting' or adaptation reset?

Accepted Answer

New software may reset learned values such as throttle position, transmission adaptations, or steering angle

Answer

A flash update can clear adaptive learned values, so basic settings and adaptations must be rerun to restore proper system calibration.

Question 5

In Audi's MOST (Media Oriented Systems Transport) bus, what type of data is primarily transmitted?

Accepted Answer

High-speed multimedia audio and video data

Answer

The MOST bus is a fiber-optic or coaxial ring network designed to carry high-bandwidth multimedia (audio/video) data in Audi infotainment systems.

(ADT) Audi Diagnostic Technician Practice Test

(ADT) Audi Diagnostic Technician Practice Test

ADT Computer Systems & Software Updates 2