Cadillac Escalade 2023 — technical service bulletin
Bulletin 22-NA-229 · NHTSA communication 10231896 · issued Feb 2, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Possible Audible Knock Due to Reduced Knock Sensor Detection Capability DTC P0325, P0330, P0326, P0331, P06B6 or P06B7 May be Set in History.
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.