08-056-14

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.