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.
