B1455 on the 2018 Audi A4
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.
| TSB_2053869_6 | 2025-11-08. Service bulletin. This bulletin addresses complaints about the heated steering wheel, DTC B145504. |
|---|---|
| A4822232053869_5 | 2022-04-05. Service bulletin. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. |
| A4820912053869_4 | 2020-11-05. Service bulletin. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. |
| A4820852053869_3 | 2020-04-02. Service bulletin. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. 48 Steering wheel heater is not working, DTC B145504 is stored in the steering column control module. |
4 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.