Scania EMS DTC 65440 Incorrect signal for rapid heating

EMS Engine Management System · Scania · 2 variants

Code 65440 (decimal). Some diagnostic tools show it in hexadecimal as FFA0.

Variant 1

Applies to: EMS S6EMS S6 (EMS S6 EuroIII)

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included
Get Premium – 7,50 € / month I already have an account

Yearly plan: pay 10 months, get 12. Cancel at any time.

Variant 2

Applies to: EMS S6 IoM singlespeed (S6IM)

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

Code 65440 in other Scania systems