ALOA CMAL Practice Questions - ALOA Certified Master Automotive Locksmith (CMAL) - Top Automotive Credential Exam

What is a 'gateway module' in a modern vehicle network, and why does it matter to a locksmith?

A central ECU that routes messages between sub-buses and may block unauthenticated diagnostic access A Wi-Fi bridge to the infotainment unit The ECU that validates tire pressure sensor data A physical anti-theft lock on the OBD port

Correct Answer:

A central ECU that routes messages between sub-buses and may block unauthenticated diagnostic access

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