{"nhtsa_id":10204439,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-13","date":"2021-11-02","document_id":"PIP5646D","mfr_campaign":null,"replaces":null,"component":"WHEELS; ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204439-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204439-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10204439","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"wheels","name":"Wheels","parent":null}],"codes":["P2724","P2727","P2729"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_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":[]}