Scania EEC DTC 5661 The exhaust gas temperature sensors for exhaust gas aftertreatment

EEC Exhaust Emission Control · Scania

Code 5661 (decimal). Some diagnostic tools show it in hexadecimal as 161D.

In short

The exhaust gas temperature sensors for exhaust gas aftertreatment indicate incorrect values.

Applies to: EEC3

What does Scania EEC fault code 5661 mean?

What causes Scania DTC 5661?

How does the system react?

How to fix Scania EEC fault code 5661?

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

Code 5661 in other Scania systems