Scania EME DTC 5122 Actuator for EGR valve M28 – CAN communication

EME EME control unit · Scania

Code 5122 (decimal). Some diagnostic tools show it in hexadecimal as 1402.

In short

The CAN communication between the engine management system and EGR valve actuator M28 is not working.

Applies to: EME1

What does Scania EME fault code 5122 mean?

What causes Scania DTC 5122?

What are the symptoms?

How to fix Scania EME fault code 5122?

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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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