Pontiac Grand Prix 2004 — technical service bulletin
Bulletin 01497A · NHTSA communication 10005479 · issued Jan 1, 2004
Technical service bulletin
communication type
Equipment
component
2004
model years
1
vehicle entries
Official summary
Hvac system recirculation mode inoperative. The air recirculation door is not moving or moving too slowly during hvac system operation. The recirculation door will probably be found stuck in the outside air mode. *tt *mj
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.