Scania ALLISON DTC 479744 Gear changing solenoid SS1 jammed in the ON position

ALLISON Allison automatic gearbox · Scania · 2 variants

Code 479744 (decimal). Some diagnostic tools show it in hexadecimal as 075200.

Variant 1

Applies to: A5

How to fix Scania ALLISON fault code 479744?

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Variant 2: Shift solenoid SS1 jammed in the ON position

Applies to: A6

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