{"nhtsa_id":10012669,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-03-10","date":"2004-02-01","document_id":"010730031","mfr_campaign":null,"replaces":"010730031A","component":"POWER TRAIN","mfr_system":null,"summary":"1-2, 2-3, 3-4, 4-5 SHIFT AND TORQUE CONVERTER CLUTCH (TCC) CHARACTERISTICS DURING COLD WEATHER OPERATION ON 4L60-E, 4L80-E OR ALLISON TRANSMISSIONS. TO INCLUDE 2001-2004 CHEVROLET AND GMC LIGHT DUTY FULL-SIZE PICKUP AND UTILITY MODELS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10012669","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_cadillac_escalade","2003_cadillac_escalade","2004_cadillac_escalade"]},{"make":"HUMMER","model":"H2","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_hummer_h2","2004_hummer_h2"]}],"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":[]}