ADT Computer Systems & Software Updates 3

Question 1

What is the primary function of the Audi SVM (Software Version Management) code entered in ODIS?

Accepted Answer

It identifies and downloads the correct software version for a specific vehicle's ECUs

Answer

An SVM code directs ODIS to the correct software package for the vehicle's specific configuration, ensuring the right flash is applied.

Question 2

On Audi vehicles with a central ADAS domain controller, which bus architecture typically interconnects the radar, camera, and LiDAR sensors?

Accepted Answer

Automotive Ethernet (100BASE-T1 or 1000BASE-T1)

Answer

High-bandwidth ADAS sensors use Automotive Ethernet because they generate far more data than CAN or LIN can handle.

Question 3

After replacing an Audi instrument cluster (Kombiinstrument), what coding step is mandatory to match it to the vehicle?

Accepted Answer

VIN coding and mileage transfer (odometer adaptation) via ODIS

Answer

A replacement cluster must be VIN-coded and have the correct mileage written via ODIS to legally and functionally match the vehicle.

Question 4

A technician is diagnosing an Audi with a U-code (network communication) DTC. What does a U0100 code specifically indicate?

Accepted Answer

Lost communication with the ECM/PCM

Answer

U0100 is the SAE-defined code for 'Lost Communication with ECM/PCM,' indicating the engine control module is not responding on the network.

Question 5

In Audi's FlexRay bus system, what advantage does it have over CAN bus for chassis control applications?

Accepted Answer

Deterministic timing and higher bandwidth (up to 10 Mbps) for safety-critical systems

Answer

FlexRay provides deterministic (time-triggered) communication and up to 10 Mbps bandwidth, making it ideal for active suspension and steer-by-wire systems.

(ADT) Audi Diagnostic Technician Practice Test

(ADT) Audi Diagnostic Technician Practice Test

ADT Computer Systems & Software Updates 3