# ISO 4138:1996 — Withdrawn and superseded ISO standards

For ISO 4138:1996, item title is Passenger cars — Steady-state circular driving behaviour — Open-loop test procedure; status code is 9599; successor is ISO 4138:2004; withdrawn / published date is 1996-12-26, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4138:1996 _(verified: appears in the quote below)_
- **Item title:** Passenger cars — Steady-state circular driving behaviour — Open-loop test procedure _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4138:2004
- **Withdrawn / published date:** 1996-12-26 _(verified: appears in the quote below)_

## What the source says

> 21461,IS,,ISO 4138:1996,Passenger cars — Steady-state circular driving behaviour — Open-loop test procedure,Voitures particulières — Tenue de route en régime permanent sur trajectoire circulaire — Méthode d'essai en boucle ouverte,1996-12-26,2,['43.100'],ISO/TC 22,9599,[9897],[30084],['en'],15,<p>Describes an open-loop test procedure to determine the steady state directional control response of passenger cars.</p>

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).