{"nhtsa_id":10121915,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2015-12-24","document_id":"21-070-15","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Flash: PTU Motor Position Enhancements This bulletin involves updating the software in the Power Transfer Unit (PTU), Rear Driveline Module (RDM) and Drivetrain Control Module (DTCM). A customer with a KL vehicle may experience difficulty shifting out of 4 Wheel Low (4WL). A customer with a UF vehicle may experience All Wheel Drive (AWD) not operating correctly.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10121915-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10121915-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121915","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"200","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chrysler_200"]},{"make":"JEEP","model":"CHEROKEE","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_jeep_cherokee"]}],"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":[]}