U2109 on the 2021 Volvo XC40
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| TJ35808.1.0-2021 | 2021-03-08. Service bulletin. This is a Technical Journal: "eCall Service Required" message, Back-up battery DTC TCAM-U210993 |
|---|---|
| TJ35808.1.0-2021 | 2021-02-22. Service bulletin. This is a Technical Journal: "eCall Service Required" message, Back-up battery DTC TCAM-U210993 |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.