0x2F:Input Output Control By Identifier:

This service allows an external system intervention on internal / external signals via the diagnostic interface.
By specifying a so-called option bytes additional conditions for a request can be specified, the following values are specified:

ReturnControlToECU: The device must get back controls of the mentioned signals.

ResetToDefault: The tester prompts to reset signals to the system wide default value.

Freeze Current State: The device shall freeze the current signal value.

ShortTermAdjustment: The device shall use the provided value for the signal

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