Scania DCU DTC 793 Output, sensor power supply, voltage too low

DCU DCU control unit · Scania

Code 793 (decimal). Some diagnostic tools show it in hexadecimal as 0319.

In short

The voltage on the supply pin for the sensor electric power supply output is 1 V under the selected voltage.

Applies to: DCU3 (DCUA)DCU3 (DCUF)DCU3 (DCUM)DCU3 (DCUR)

What does Scania DCU fault code 793 mean?

What causes Scania DTC 793?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 793?

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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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