Scania OPC DTC 50090 ECA unit

OPC Opticruise gearbox control · Scania

Code 50090 (decimal). Some diagnostic tools show it in hexadecimal as C3AA.

In short

Fault in angle position sensor. The ECA has an internal fault which is indicated via CAN messages.

Applies to: OPC5 (OPC5 ECA)

What does Scania OPC fault code 50090 mean?

Fault in angle position sensor. The ECA has an internal fault which is indicated via CAN messages.

What causes Scania DTC 50090?

Fault in angle position sensor.

How does the system react?

The clutch will only be used during start and stop. Clutch control is slower. This may lead to engine stop during braking.

How to fix Scania OPC fault code 50090?

Renew ECA.

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

Code 50090 in other Scania systems