Cadillac Escalade 2022 — technical service bulletin
Bulletin PIE0706A · NHTSA communication 10222844 · issued Sep 29, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
9
vehicle entries
Official summary
This engineering information (EI) ends the need for further information from the field in regards to the investigation to help GM engineering to better understand the conditions that causes mechanical seal loss of the NOx sensors.
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.