an unspecified impact level
Cause code JIA04
Plain-language explanation, impact details and live examples.
Last updated 21 May 2026, 17:05:01Verkstadsåtgärd
Announcement phrasing
Train operators typically phrase this cause as:
Verkstadsåtgärd
Live trains referencing JIA04
Snapshot of services that mentioned this cause during the past 90 minutes and the next 3 hours.
Updated 21 May 2026, 17:05
We can't find any current trains referencing this cause.
Frequently asked questions about cause code JIA04
What does cause code JIA04 mean?
Verkstadsåtgärd
How serious is cause code JIA04?
It is classified as an unspecified impact level.
Which trains are currently affected?
See the live examples above. The list refreshes every minute.