Scania EMS DTC 4661 Unit injector for cylinder 3

EMS Engine Management System · Scania · 2 variants

Code 4661 (decimal). Some diagnostic tools show it in hexadecimal as 1235.

In short

The level in the reductant tank is very low.

Variant 1: Reductant level, very low

Applies to: EMS10

What does Scania EMS fault code 4661 mean?

What causes Scania DTC 4661?

How to fix Scania EMS fault code 4661?

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Variant 2

Applies to: EMS S6

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

Code 4661 in other Scania systems

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