Scania COO DTC 603 EG1 power take-off

COO Coordinator · Scania

Code 603 (decimal). Some diagnostic tools show it in hexadecimal as 025B.

In short

The voltage in the solenoid valve circuit for the EG1 gearbox-driven power take-off is low even though the output is activated.

Applies to: COO7

What does Scania COO fault code 603 mean?

What causes Scania DTC 603?

How does the system react?

How to fix Scania COO fault code 603?

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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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