B2017Control module locked

• Volkswagen group code · Gateway

How the car detects it

The module is locked against changes (a security lock), so coding, adaptation or key matching through it is refused until it is unlocked by an authorised online procedure. It is not a hardware fault.

What you may notice

• Coding or key adaptation refused

Likely causes

• LikelySecurity lock active during coding or adaptation work

Sources

• static.nhtsa.gov › MC-10245531-0001.pdf · official document
• static.nhtsa.gov › MC-10121609-9999.pdf · official document

Backed by an official manufacturer document.

From Obdaryn's Volkswagen group pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.