Chevrolet Trailblazer 2002–2003 — technical service bulletin
Bulletin 052303 · NHTSA communication 10003671 · issued May 23, 2003
Technical service bulletin
communication type
Equipment
component
2002–2003
model years
7
vehicle entries
Official summary
Air conditioner low pressure cycling switch intermittently inoperative or stuck open/ intermittent air conditioner operation and/or loss of cold air. *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.