Scania ELC DTC 1603 Solenoid valve for lowering the second tag axle

ELC Electronically controlled air suspension · Scania

Code 1603 (decimal). Some diagnostic tools show it in hexadecimal as 0643.

In short

The voltage on the output to the solenoid valve has been too high.

Applies to: ELC3ELC3 (ELC3Rear)

What does Scania ELC fault code 1603 mean?

What causes Scania DTC 1603?

How does the system react?

How to fix Scania ELC fault code 1603?

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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.

Code 1603 in other Scania systems