Scania OCE DTC 12800 Lambda sensor T137 upstream of the catalytic converter

OCE OCE control unit · Scania

Code 12800 (decimal). Some diagnostic tools show it in hexadecimal as 3200.

In short

Fault in lambda sensor heating.

Applies to: OCE1

What does Scania OCE fault code 12800 mean?

What causes Scania DTC 12800?

How does the system react?

What are the symptoms?

How to fix Scania OCE fault code 12800?

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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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