Scania EACS DTC 66561 Voltage class B, high

EACS EACS control unit · Scania

Code 66561 (decimal). Some diagnostic tools show it in hexadecimal as 010401.

In short

The voltage class B to the electric motor is implausibly high.

Applies to: EACS2EACS3

What does Scania EACS fault code 66561 mean?

What causes Scania DTC 66561?

How does the system react?

What are the symptoms?

How to fix Scania EACS fault code 66561?

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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.