Scania CCU DTC 40997 Cab comfort control unit, low voltage

CCU CCU control unit · Scania

Code 40997 (decimal). Some diagnostic tools show it in hexadecimal as A025.

In short

The cab comfort control unit has interpreted that the supply voltage +24 V is below +16 V.

Applies to: CCU1

What does Scania CCU fault code 40997 mean?

What causes Scania DTC 40997?

How does the system react?

How to fix Scania CCU fault code 40997?

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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 40997 in other Scania systems