Scania OCS DTC 78080 Lambda sensor T137 upstream of the catalytic converter

OCS OCS control unit · Scania

Code 78080 (decimal). Some diagnostic tools show it in hexadecimal as 013100.

In short

Implausible value from the lambda sensor.

Applies to: OCS1

What does Scania OCS fault code 78080 mean?

What causes Scania DTC 78080?

How does the system react?

What are the symptoms?

How to fix Scania OCS fault code 78080?

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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.

Code 78080 in other Scania systems