Chevrolet Sierra 1999 — technical service bulletin
Bulletin 220101 · NHTSA communication 618187 · issued Jan 22, 2001
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
1999
model years
4
vehicle entries
Official summary
On some vehicles, after turning off the vehicle, the abs motor continues to run. *tt
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.