Scania ALLISON DTC 621312 Open circuit in shift solenoid SS2

ALLISON Allison automatic gearbox · Scania · 2 variants

Code 621312 (decimal). Some diagnostic tools show it in hexadecimal as 097B00.

In short

The control unit has detected an open circuit of more than 2 seconds on the shift solenoid return circuit.

Variant 1

Applies to: A5

What does Scania ALLISON fault code 621312 mean?

What causes Scania DTC 621312?

How does the system react?

What are the symptoms?

How to fix Scania ALLISON fault code 621312?

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Variant 2

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.