B146F on the 2012 Dodge Challenger
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.
| 08-056-14 | 2022-08-15. Service bulletin. No Audio From The Radio Caused By The Amplifier Muting Audio This bulletin involves replacing the Amplifier if required. The customer may indicate that there is no audio sound and/or radio is muted. This may happen when the audio is at a higher volume. The audio system will mute and remains ?muted? until the key is cycled. The audio system may defaults to surround sound after a key cycle. On further inspection one or more of the following DTCs may be found: B1460-92 Channel 1 Audio Speaker Output-Performance or Incorrect Operation. B1465-92 Channel 2 Audio Speaker Output-Performance or Incorrect Operation. B146A-92 Channel 3 Audio Speaker Output-Performance or Incorrect Operation. B146F-92 Channel 4 Audio Speaker Output-Performance or Incorrect Operation. B1474-92 Channel 5 Audio Speaker Output-Performance or Incorrect Operation. B1479-92 Channel 6 Audio Speaker Output-Performance or Incorrect Operation. B147E-92 Channel 7 Audio Speaker Output-Performance or Incorrect Operation. B1483-92 Channel 8 Audio Speaker Output-Performance or Incorrect Operation. B14B9-92 Channel 9 Audio Speaker Output-Performance or Incorrect Operation. B14BE-92 Channel 10 Audio Speaker Output-Performance or Incorrect Operation. B14C3-92 Channel 11 Audio Speaker Output-Performance or Incorrect Operation. B14C8-92 Channel 12 Audio Speaker Output-Performance or Incorrect Operation. |
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| 08-033-13 | 2022-07-18. Service bulletin. Flash: Two Or More Speakers Will Mute When Playing Certain Media Sources This bulletin involves reprogramming the Amplifier with updated software. The customer may experience two or more speakers muting when playing certain media sources, which have frequencies of less then 20 Hz. The speakers will stay muted until the ignition key is cycled. On further inspection the technician will find speaker performance DTC's. B1460-92Channel 1 Audio Speaker Output-Performance or Incorrect Operation. B1465-92Channel 2 Audio Speaker Output-Performance or Incorrect Operation. B146A-92Channel 3 Audio Speaker Output-Performance or Incorrect Operation. B146F-92Channel 4 Audio Speaker Output-Performance or Incorrect Operation. B1474-92Channel 5 Audio Speaker Output-Performance or Incorrect Operation. B1479-92Channel 6 Audio Speaker Output-Performance or Incorrect Operation. B147E-92Channel 7 Audio Speaker Output-Performance or Incorrect Operation. B1483-92Channel 8 Audio Speaker Output-Performance or Incorrect Operation. B14B9-92Channel 9 Audio Speaker Output-Performance or Incorrect Operation. B14BE-92Channel 10 Audio Speaker Output-Performance or Incorrect Operation. B14C3-92Channel 11 Audio Speaker Output-Performance or Incorrect Operation. B14C8-92Channel 12 Audio Speaker Output-Performance or Incorrect Operation. B221F-00Amplifier Internal. |
| 08-033-13 | 2021-03-15. Service bulletin. Flash: Two Or More Speakers Will Mute When Playing Certain Media Sources This bulletin involves reprogramming the Amplifier with updated software. The customer may experience two or more speakers muting when playing certain media sources, which have frequencies of less then 20 Hz. The speakers will stay muted until the ignition key is cycled. On further inspection the technician will find speaker performance DTC's. B1460-92Channel 1 Audio Speaker Output-Performance or Incorrect Operation. B1465-92Channel 2 Audio Speaker Output-Performance or Incorrect Operation. B146A-92Channel 3 Audio Speaker Output-Performance or Incorrect Operation. B146F-92Channel 4 Audio Speaker Output-Performance or Incorrect Operation. B1474-92Channel 5 Audio Speaker Output-Performance or Incorrect Operation. B1479-92Channel 6 Audio Speaker Output-Performance or Incorrect Operation. B147E-92Channel 7 Audio Speaker Output-Performance or Incorrect Operation. B1483-92Channel 8 Audio Speaker Output-Performance or Incorrect Operation. B14B9-92Channel 9 Audio Speaker Output-Performance or Incorrect Operation. B14BE-92Channel 10 Audio Speaker Output-Performance or Incorrect Operation. B14C3-92Channel 11 Audio Speaker Output-Performance or Incorrect Operation. B14C8-92Channel 12 Audio Speaker Output-Performance or Incorrect Operation. B221F-00Amplifier Internal. |
| 08-056-14 | 2018-06-18. Service bulletin. No Audio From The Radio Caused By The Amplifier Muting Audio This bulletin involves replacing the Amplifier if required. The customer may indicate that there is no audio sound and/or radio is muted. This may happen when the audio is at a higher volume. The audio system will mute and remains ?muted? until the key is cycled. The audio system may defaults to surround sound after a key cycle. On further inspection one or more of the following DTCs may be found: B1460-92 Channel 1 Audio Speaker Output-Performance or Incorrect Operation. B1465-92 Channel 2 Audio Speaker Output-Performance or Incorrect Operation. B146A-92 Channel 3 Audio Speaker Output-Performance or Incorrect Operation. B146F-92 Channel 4 Audio Speaker Output-Performance or Incorrect Operation. B1474-92 Channel 5 Audio Speaker Output-Performance or Incorrect Operation. B1479-92 Channel 6 Audio Speaker Output-Performance or Incorrect Operation. B147E-92 Channel 7 Audio Speaker Output-Performance or Incorrect Operation. B1483-92 Channel 8 Audio Speaker Output-Performance or Incorrect Operation. B14B9-92 Channel 9 Audio Speaker Output-Performance or Incorrect Operation. B14BE-92 Channel 10 Audio Speaker Output-Performance or Incorrect Operation. B14C3-92 Channel 11 Audio Speaker Output-Performance or Incorrect Operation. B14C8-92 Channel 12 Audio Speaker Output-Performance or Incorrect Operation. |
| 08-033-13 | 2018-05-21. Service bulletin. Flash: Two Or More Speakers Will Mute When Playing Certain Media Sources This bulletin involves reprogramming the Amplifier with updated software. The customer may experience two or more speakers muting when playing certain media sources, which have frequencies of less then 20 Hz. The speakers will stay muted until the ignition key is cycled. On further inspection the technician will find speaker performance DTC's. B1460-92Channel 1 Audio Speaker Output-Performance or Incorrect Operation. B1465-92Channel 2 Audio Speaker Output-Performance or Incorrect Operation. B146A-92Channel 3 Audio Speaker Output-Performance or Incorrect Operation. B146F-92Channel 4 Audio Speaker Output-Performance or Incorrect Operation. B1474-92Channel 5 Audio Speaker Output-Performance or Incorrect Operation. B1479-92Channel 6 Audio Speaker Output-Performance or Incorrect Operation. B147E-92Channel 7 Audio Speaker Output-Performance or Incorrect Operation. B1483-92Channel 8 Audio Speaker Output-Performance or Incorrect Operation. B14B9-92Channel 9 Audio Speaker Output-Performance or Incorrect Operation. B14BE-92Channel 10 Audio Speaker Output-Performance or Incorrect Operation. B14C3-92Channel 11 Audio Speaker Output-Performance or Incorrect Operation. B14C8-92Channel 12 Audio Speaker Output-Performance or Incorrect Operation. B221F-00Amplifier Internal. |
5 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.