Scania EMS DTC 1170 EGR actuator, shorted to high source

EMS Engine Management System · Scania

Code 1170 (decimal). Some diagnostic tools show it in hexadecimal as 000492.

In short

ECU indicates that the actuator or harness is shorted to high source.

Applies to: EMS10

What does Scania EMS fault code 1170 mean?

ECU indicates that the actuator or harness is shorted to high source.

What are the symptoms?

Exhaust brake will be turned off.

How to fix Scania EMS fault code 1170?

  1. Check the wiring and connector to the actuator.
  2. Replace the component.

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

Code 1170 in other Scania systems