B1660 on the 2024 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.
| 35976.4.0 | 2024-04-04. Service bulletin. This is a Technical Journal: 12V Critical Charge Message w/ MVBM-B166094 MVBM-B165F94 DTC's set. Do not replace the MVBM. Delete the DTC´s and perform a SW update. A new SW fix is planned 2024 quarter 1. |
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| 35976.3.0 | 2024-01-25. Service bulletin. This is a Technical Journal: 12V Critical Charge Message w/ MVBM-B166094 MVBM-B165F94 DTC's set. Do not replace the MVBM. Delete the DTC´s and perform a SW update. A new SW fix is planned 2024 quarter 1. |
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.