Chevrolet Blazer 2016–2019 — technical service bulletin
Bulletin 19NA206 · NHTSA communication 10186071 · issued Dec 11, 2020
Technical service bulletin
communication type
Power Train
component
2016–2019
model years
14
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park.
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.