Scania CCU DTC 41004 Water valve to water auxiliary heater, unreasonable voltage

CCU CCU control unit · Scania

Code 41004 (decimal). Some diagnostic tools show it in hexadecimal as A02C.

In short

Implausible voltage in the water valve circuit for the auxiliary water heater (WTA).

Applies to: CCU1

What does Scania CCU fault code 41004 mean?

What causes Scania DTC 41004?

What are the symptoms?

How to fix Scania CCU fault code 41004?

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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.

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