Scania OPC DTC 2020 Incorrect checksum in the control unit's integrated RAM memory

OPC Opticruise gearbox control · Scania

Code 2020 (decimal). Some diagnostic tools show it in hexadecimal as 07E4.

In short

Incorrect checksum in the control unit's integrated RAM memory.

Applies to: OPC4

What does Scania OPC fault code 2020 mean?

What causes Scania DTC 2020?

How does the system react?

How to fix Scania OPC fault code 2020?

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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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