TFCS-39-11
UN R156: Draft proposal for a Supplement
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Proposal to amend para. 7.2.1.2.2. to delete, in cases where RXSWINs are not held on the vehicle, the requirement that the manufacturer shall declare the software version(s) of the vehicle or single ECUs with the connection to the relevant type approvals to the Approval Authority and that this declaration shall be updated each time the declared software version(s) is updated, and add that the link between the software version(s) and the RXSWINs shall be declared.
Electronic Control Unit
Regulation Software Identification Number: A dedicated identifier, defined by the vehicle manufacturer, that represents the type-approval-relevant software of the electronic control system(s) contributing to the characteristics covered by a specific UN Regulation (where “X” stands for the regulation number — e.g. RX79SWIN for UN Regulation No. 79 on steering equipment).