Scania COMMUNICATOR DTC 1284 Digital output 2 is short-circuited to supply voltage

COMMUNICATOR Communicator (C200 / C300 / C400) · Scania · 2 variants

Code 1284 (decimal). Some diagnostic tools show it in hexadecimal as 0504.

In short

The fault code is activated if digital output 2 is short-circuited to supply voltage.

Variant 1

Applies to: C200

What does Scania COMMUNICATOR fault code 1284 mean?

What causes Scania DTC 1284?

How to fix Scania COMMUNICATOR fault code 1284?

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Variant 2: Status lamp on ID button reader U22

Applies to: C300

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 1284 in other Scania systems

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