Scania AMP DTC 4 Loudspeaker channel 2, short circuit to battery voltage

AMP AMP control unit · Scania

Code 4 (decimal). Some diagnostic tools show it in hexadecimal as 000004.

In short

The external amplifier has measured a voltage that indicates a short circuit to battery voltage.

Applies to: AMP1 (AMP)

What does Scania AMP fault code 4 mean?

What causes Scania DTC 4?

How does the system react?

What are the symptoms?

How to fix Scania AMP fault code 4?

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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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