Scania EMS DTC 6129 Pressure upstream of the particulate filter, lower than expected

EMS Engine Management System · Scania

Code 6129 (decimal). Some diagnostic tools show it in hexadecimal as 0017F1.

In short

The average measured pressure upstream of the particulate filter is less than the corresponding calculated pressure upstream of the particulate filter.

Applies to: EMS10

What does Scania EMS fault code 6129 mean?

What causes Scania DTC 6129?

What are the symptoms?

How to fix Scania EMS fault code 6129?

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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.