Scania EMS DTC 5901 Throttle M42, unsuccessful learning of the reference position

EMS Engine Management System · Scania · 2 variants

Code 5901 (decimal). Some diagnostic tools show it in hexadecimal as 170D.

In short

At the start, the throttle moves the throttle blade to the fully open position in order to find its reference position.

Variant 1

Applies to: EMS S8

What does Scania EMS fault code 5901 mean?

What causes Scania DTC 5901?

How does the system react?

How to fix Scania EMS fault code 5901?

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Variant 2

Applies to: EMS S8 (S8PDE)

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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