SOURCE-LINKED REGULATION GUIDE
UN R156 — Software updates and management systems
Consider software updates alongside vehicle type, version identity and management processes.
Explore the scopeWhat does it cover?
UN R156 sets requirements for vehicles that permit software updates and for the manufacturer’s software update management system (SUMS). It addresses update processes, identification of software relevant to type approval and assessment of how an update affects vehicle functions. Update security and vehicle requirements specific to over-the-air updates are detailed in the relevant sections.
Who is it for?
Vehicle-manufacturer software, version-management, product-safety and homologation teams.
Which subjects are addressed?
- Software update management system (SUMS)
- Type-approval-related software identity (RXSWIN)
- Effect of updates on vehicle functions
- Update security and over-the-air conditions
Common question
Is R156 only about over-the-air updates?
No. It applies to vehicles that permit software updates. Alongside general management and security processes, it contains specific provisions for over-the-air updates; assessment is not limited to the transfer method.
Source documents and references
Work with this regulation in RegsUP.
Read the text with its edition and sources. Assess available comparisons, relevant dates and question-and-answer features against your work needs.
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