Dodge Challenger 2015 — technical service bulletin
Bulletin 08-101-15 · NHTSA communication 10216197 · issued Oct 28, 2015
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
Flash: Poor Speaker Sound Performance This bulletin involves updating the Amplifier (AMP) software. The customer may describe one or more of the following symptoms/conditions: ? Speakers not loud enough. ? Speakers buzz/rattle. ? Poor sound quality from speakers. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1474-13-Channel 5 Audio Speaker Output - Circuit Open ? B1479-13-Channel 6 Audio Speaker Output - Circuit Open
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.