Scania ALLISON DTC 1641 Internal temperature sensor in the control unit, voltage high

ALLISON Allison automatic gearbox · Scania

Code 1641 (decimal). Some diagnostic tools show it in hexadecimal as 0669.

In short

Contact an Allison dealer.

Applies to: A4

What does Scania ALLISON fault code 1641 mean?

How does the system react?

How to fix Scania ALLISON fault code 1641?

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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 1641 in other Scania systems