COO 1283 Scania Electrically assisted steering (EAS) system

COO Coordinator · Scania · 2 variants

Code 1283 (decimal). Some diagnostic tools show it in hexadecimal as 000503.

In short

The EAS control unit does not receive messages from external control units.

Variant 1

Applies to: COO10 (COO)

What does Scania COO fault code 1283 mean?

What causes Scania DTC 1283?

How does the system react?

What are the symptoms?

How to fix Scania COO fault code 1283?

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Variant 2: Electrically assisted steering system (EAS), configuration error

Applies to: COO11 (COO)

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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