Scania EMS DTC 6464 Exotherm aftertreatment, high temperature downstream SCR

EMS Engine Management System · Scania · 2 variants

Code 6464 (decimal). Some diagnostic tools show it in hexadecimal as 1940.

In short

The mass flow sensor values are not available or the communication with the sensor is faulty.

Variant 1: Mass flow sensor, incorrect value for air flow

Applies to: EMS10

What does Scania EMS fault code 6464 mean?

What causes Scania DTC 6464?

What are the symptoms?

How to fix Scania EMS fault code 6464?

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Variant 2

Applies to: EMS S8

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