Scania EMS DTC 1139 Exhaust gas pressure sensor T125

EMS Engine Management System · Scania · 3 variants

Code 1139 (decimal). Some diagnostic tools show it in hexadecimal as 0473.

In short

The voltage in the circuit has been above the permitted level.

Variant 1

Applies to: EMS S6EMS S6 (EMS S6 EuroIII)EMS S7

What does Scania EMS fault code 1139 mean?

What causes Scania DTC 1139?

How does the system react?

How to fix Scania EMS fault code 1139?

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Variant 2

Applies to: EMS S8EMS S8 (S8PDE)

Variant 3: Engine Exhaust Brake Actuator Not Responding or Out of Adjustment.

Applies to: EMS10

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

Code 1139 in other Scania systems

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