Pontiac Grand Prix 2004 — technical service bulletin
Bulletin 040847002 · NHTSA communication 10008684 · issued Aug 1, 2004
Technical service bulletin
communication type
Structure
component
2004
model years
1
vehicle entries
Official summary
Tone, whistle, or high pitched hum heard on the am band (replace bcm). *mj this bulletin replaces previous bulletin number 04-08-47-002 dated 04/01/2004. *tt
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.