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UN R140 — Electronic stability control

Review ESC function and performance requirements in one regulation.

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What does it cover?

UN R140 governs approval of M1 and N1 vehicles with regard to electronic stability control (ESC). General, functional and performance requirements are set out separately. Its scope excludes vehicles with a low design speed and certain vehicles adapted for special use, so system approval must be assessed in the context of vehicle scope.

Who is it for?

Vehicle-dynamics, brake-control and ESC development and testing teams.

Which subjects are addressed?

  • ESC approval
  • Functional conditions
  • Performance requirements
  • Vehicle scope

Common question

Is ESC approval the same as assessment under R13-H?

No. R140 addresses ESC specifically. Check how basic braking and brake-assist requirements apply under their own regulations.

Source documents and references

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