Cadillac XT4 2019–2020 — technical service bulletin
Bulletin N202324990 · NHTSA communication 10210218 · issued Apr 11, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
6
vehicle entries
Official summary
Special Coverage - certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. Dealers are to replace the evaporative emissions purge pump/canister as necessary. The repairs will be made at no charge to the customer.
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.