Scania CMDA DTC 6674693 Negative contactor, signal fault

CMDA CMDA control unit · Scania

Code 6674693 (decimal). Some diagnostic tools show it in hexadecimal as 65D905.

In short

The control unit reports too low a voltage or an open circuit.

Applies to: CMDA2 (CMD)

What does Scania CMDA fault code 6674693 mean?

What causes Scania DTC 6674693?

What are the symptoms?

How to fix Scania CMDA fault code 6674693?

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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.