Scania ZF DTC 16711769 The retarder is incorrectly activated

ZF ZF gearbox · Scania · 3 variants

Code 16711769 (decimal). Some diagnostic tools show it in hexadecimal as FF0059.

In short

The retarder is activated when the engine torque is higher than the limit value or the retarder is activated without a request.

Variant 1

Applies to: ZF4ZF5

What does Scania ZF fault code 16711769 mean?

How does the system react?

What are the symptoms?

How to fix Scania ZF fault code 16711769?

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Variant 2

Applies to: ZF3

Variant 3: 3.89 RET_SMON

Applies to: ZF4

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