Scania EMS DTC 41008 SCR - Main unit

EMS Engine Management System · Scania

Code 41008 (decimal). Some diagnostic tools show it in hexadecimal as A030.

In short

Internal fault in the main unit.

Applies to: EMS S6

What does Scania EMS fault code 41008 mean?

Internal fault in the main unit.

What causes Scania DTC 41008?

One of the sensors inside the main unit is short-circuited to battery voltage.

How does the system react?

The fault causes reductant injection to be switched off.

How to fix Scania EMS fault code 41008?

  1. Detach the contactor to the heater element diaphragm pump.
  2. If the fault code becomes inactive, the heater element is faulty.
  3. If this is the case, renew the diaphragm pump.
  4. Clear the fault code and switch the voltage off and on using the starter key.
  5. If the fault code persists, the main unit needs to be renewed.

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

Code 41008 in other Scania systems

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