TSB Document:

Affected Component: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

Summary
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. B1460-92 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. B221F-00 Amplifier Internal.

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Date Published
MAY 11, 2013
NHTSA TSB #
10188675
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