Chevrolet Silverado 1500 2022 — technical service bulletin
Bulletin 22-NA-243 · NHTSA communication 10228191 · issued Dec 5, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
2
vehicle entries
Official summary
This technical bulletin provides a procedure to program the ECM and perform a NOX Catalyst Reductant Loading Reset and NOx Sensor Reset.
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.