Scania COO DTC 628 Low split

COO Coordinator · Scania

Code 628 (decimal). Some diagnostic tools show it in hexadecimal as 0274.

In short

The voltage in the low split solenoid valve circuit has been low for longer than permitted.

Applies to: COO7

What does Scania COO fault code 628 mean?

The voltage in the low split solenoid valve circuit has been low for longer than permitted.

What causes Scania DTC 628?

The fault may be due to: - The circuit has been broken or shorted to battery. - Faulty solenoid valve.

How does the system react?

Open circuit: Low split cannot be activated as long as the fault is active. Short circuit to voltage: Low split cannot be inactivated as long as the fault is active.

How to fix Scania COO fault code 628?

Check the low split solenoid valve including cable harness and connectors.

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

Code 628 in other Scania systems

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