Scania DCU DTC 806 Power supply pin group V1, voltage too low

DCU DCU control unit · Scania

Code 806 (decimal). Some diagnostic tools show it in hexadecimal as 0326.

In short

The door control unit has detected that the voltage from power supply pin group V1 is too low, below 5 V.

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

What does Scania DCU fault code 806 mean?

What causes Scania DTC 806?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 806?

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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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