Cadillac CT4 2020 — technical service bulletin
Bulletin PIP5701B · NHTSA communication 10210339 · issued Mar 22, 2022
Technical service bulletin
communication type
Electrical System
component
2020
model years
2
vehicle entries
Official summary
This Preliminary information communicates that the E01 ECM p/n 12703874 is on part restriction.
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.