Scania COO DTC 1027 Operational data

COO Coordinator · Scania · 3 variants

Code 1027 (decimal). Some diagnostic tools show it in hexadecimal as 0403.

In short

The control unit has lost stored operational data.

Variant 1

Applies to: COO10 (COO)COO11 (COO)

What does Scania COO fault code 1027 mean?

The control unit has lost stored operational data.

What causes Scania DTC 1027?

The control unit's voltage supply was interrupted during operational data storage.

What are the symptoms?

Locally stored operational data has been lost.

How to fix Scania COO fault code 1027?

None, as lost operational data cannot be recreated.

Variant 2

Applies to: COO8 (COO)

Detection

The control unit has lost stored operational data.

Possible cause

Control unit voltage supply was disconnected when storing operational data.

Symptoms

Locally stored operational data has been lost.

How to fix

None, as lost operational data cannot be recreated.

Variant 3

Applies to: COO9 (COO)

Detection

The control unit has lost stored operational data.

Possible cause

Control unit voltage supply was disconnected when storing operational data.

Symptoms

Locally stored operational data has been lost.

How to fix

None, as lost operational data cannot be recreated.

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

Code 1027 in other Scania systems

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