{"nhtsa_id":11027949,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-01","date":"2026-01-30","document_id":"PIP5921B","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This Preliminary information communicates the possibility of DTC p0011 p0016 and potential for a rattle or ticking noise to occur from the Intake Cam Actuator, or cover plate screws backing out and making contact with Cam carrier","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11027949-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11027949-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027949","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_cadillac_ct4","2021_cadillac_ct4","2022_cadillac_ct4","2023_cadillac_ct4"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2023,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2023,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}