Scania ALLISON DTC 12653824 Lost communication with the engine management system (J1939)

ALLISON Allison automatic gearbox · Scania · 2 variants

Code 12653824 (decimal). Some diagnostic tools show it in hexadecimal as C11500.

In short

The control unit has not received information on engine torque or accelerator position from the engine control unit for a specific period of time.

Variant 1

Applies to: A5

What does Scania ALLISON fault code 12653824 mean?

What causes Scania DTC 12653824?

How does the system react?

How to fix Scania ALLISON fault code 12653824?

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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.