Scania EEC DTC 5663 The exhaust gas temperature sensors for exhaust gas aftertreatment

EEC Exhaust Emission Control · Scania

Code 5663 (decimal). Some diagnostic tools show it in hexadecimal as 161F.

In short

Electrical fault in the exhaust gas temperature sensors for exhaust gas aftertreatment.

Applies to: EEC3

What does Scania EEC fault code 5663 mean?

What causes Scania DTC 5663?

How does the system react?

How to fix Scania EEC fault code 5663?

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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 5663 in other Scania systems