Scania OCS DTC 1553 Relay for shut-off valves for vehicle gas on the high pressure side

OCS OCS control unit · Scania

Code 1553 (decimal). Some diagnostic tools show it in hexadecimal as 000611.

In short

Low voltage in the circuit.

Applies to: OCS1

What does Scania OCS fault code 1553 mean?

What causes Scania DTC 1553?

How does the system react?

What are the symptoms?

How to fix Scania OCS fault code 1553?

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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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