Chevrolet Blazer 2001–2002 — technical service bulletin
Bulletin N222359240 · NHTSA communication 10227771 · issued Dec 13, 2022
Technical service bulletin
communication type
Visibility
component
2001–2002
model years
2
vehicle entries
Official summary
Customer Satisfaction Program - certain vehicles may have a condition in which the driver side mirror does not auto dim. Dealers are to replace the front door wiring harness.
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.