Scania PCS DTC 1077 CAN timeout on message MGEMDS2A_MGUAh from MGUA3

PCS PCS control unit · Scania

Code 1077 (decimal). Some diagnostic tools show it in hexadecimal as 000435.

In short

Message not received within 5 nominal transmission rate periods.

Applies to: PCS1 (PCS)

What does Scania PCS fault code 1077 mean?

Message not received within 5 nominal transmission rate periods.

What causes Scania DTC 1077?

Timeout when waiting for message reception.

What are the symptoms?

Electric propulsion not available but the VCB system operational. No possible to charge the batteries using the combustion engine.

How to fix Scania PCS fault code 1077?

Check wiring and connectors between MGUA3 and PCS.

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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