{"nhtsa_id":10143418,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-05-18","document_id":"18169","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"18169 - Service Update.- Certain vehicles equipped with a 10-speed automatic transmission (RPO MF6), and a 6.2L engine (RPO L86) may experience a 2 to 3 second delayed engagement when shifting between park, reverse, or drive (performing garage shifts). Customers may also experience a hard shift, with a possible bang or clunk. If the vehicle is on an incline the customer may experience a short roll back due to the hesitation. Dealers are to reprogram the transmission control module (TCM) with an updated calibration.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143418-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143418-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143418","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_cadillac_escalade"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_chevrolet_tahoe"]},{"make":"GMC","model":"YUKON","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_gmc_yukon-xl"]}],"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":[]}