Chevrolet Colorado 2016–2022 — technical service bulletin
Bulletin 17NA134 · NHTSA communication 10212596 · issued Jan 5, 2022
Technical service bulletin
communication type
Visibility
component
2016–2022
model years
14
vehicle entries
Official summary
This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.
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.