Scania COO DTC 12 Verification of starter key

COO Coordinator · Scania

Code 12 (decimal). Some diagnostic tools show it in hexadecimal as 000C.

In short

The starter key could not be verified.

Applies to: COO6 (COO6C)

What does Scania COO fault code 12 mean?

What causes Scania DTC 12?

How does the system react?

How to fix Scania COO fault code 12?

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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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