Scania COO DTC 1034 Interruption in CAN communication with the power transmission management system (TMS)

COO Coordinator · Scania · 4 variants

Code 1034 (decimal). Some diagnostic tools show it in hexadecimal as 040A.

In short

Communication with the TMS has been interrupted during validation with immobiliser.

Variant 1: CAN communication with the transmission management system (TMS), open circuit

Applies to: COO10 (COO)

What does Scania COO fault code 1034 mean?

What causes Scania DTC 1034?

How does the system react?

What are the symptoms?

How to fix Scania COO fault code 1034?

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Variant 2: CAN communication with the transmission management system (TMS), open circuit

Applies to: COO11 (COO)

Variant 3

Applies to: COO8 (COO)

Variant 4: Upcoming

Applies to: COO9 (COO)

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

Code 1034 in other Scania systems

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