Scania ACC DTC 40998 Voltage supply, 24 V

ACC Automatic Climate Control · Scania

Code 40998 (decimal). Some diagnostic tools show it in hexadecimal as A026.

In short

The cab comfort control unit has interpreted that the +24 V supply voltage is above +32 V.

Applies to: ACC3

What does Scania ACC fault code 40998 mean?

What causes Scania DTC 40998?

How does the system react?

How to fix Scania ACC fault code 40998?

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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 40998 in other Scania systems