| ID (Hex) | p-encoding | Name | Description | Assignee | Updated | State | Specification |
|---|---|---|---|---|---|---|---|
| 0x00 | 0p00 | unknown message set | ISO/TC 204 | 2018-05-01 | assigned | n.a. | |
| 0x01 | 0p01 | eCall | Used for eCall | CEN/TC 278 | 2013-03-24 | assigned | CEN EN 15722 |
| 0x02 | 0p02 | TMS message set | Intelligent transport systems - Traffic management systems - Status, fault and quality requirements | CEN/TC 278 | 2017-12-11 | assigned | CEN TS 17241:2019 |
| 0x03 | 0p03 | Signal control message set | Data elements and data frames that are useful for optimizing local and coordinated signal operations which are exchanged between roadside modules and signal controllers. | ISO/TC 204 | 2023-03-29 | new | ISO/TS 19082 |