Applies to: OPC4
What does Scania OPC fault code 2020 mean?
Incorrect checksum in the control unit's integrated RAM memory.
What causes Scania DTC 2020?
Incorrect data in the control unit's integrated RAM memory.
How does the system react?
Due to this fault, the functions for engine speed measurement and actuation of solenoid valves for lateral stroke may not work.
How to fix Scania OPC fault code 2020?
- Clear the fault code and turn the starter key to the zero position for a few seconds.
- If after this the fault code comes back, renew the control unit.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.