Cadillac CT4 2022–2023 — technical service bulletin
Bulletin PIP5865A · NHTSA communication 10231642 · issued Jan 13, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022–2023
model years
14
vehicle entries
Official summary
This Preliminary information communicates the possibility of dtc dtc p30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft
Vehicles covered
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 2500
- 2023 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 3500
- 2023 Chevrolet Silverado 3500
- 2022 GMC Sierra 1500
- 2023 GMC Sierra 1500
- 2022 GMC Sierra 2500
- 2023 GMC Sierra 2500
- 2022 GMC Sierra 3500
- 2023 GMC Sierra 3500
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.