ALM 1027 Scania Fault in communication with the engine control unit (EMS)

ALM ALM control unit · Scania · 2 variants

Code 1027 (decimal). Some diagnostic tools show it in hexadecimal as 0403.

In short

A CAN message expected from the EMS control unit has failed to arrive.

Variant 1

Applies to: ALM1 (ALM)

What does Scania ALM fault code 1027 mean?

What causes Scania DTC 1027?

What are the symptoms?

How to fix Scania ALM fault code 1027?

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Variant 2: Communication with the EMS control unit

Applies to: ALM1

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

Code 1027 in other Scania systems

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