{"nhtsa_id":10217695,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-15","date":"2014-07-01","document_id":"21-021-14","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Drivetrain Control Module (DCTM) - Bump Felt in the Driveline While Turning From a Stop Such as in Parking Lot Maneuvers This bulletin involves flashing the Drivetrain Control Module (DCTM) with revised software. Customers may indicate that they feel a bump in the driveline while turning from a stop such as in parking lot maneuvers. This software release provides a more refined control of the 4WD system to more smoothly engage and release the 4WD system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10217695-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10217695-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217695","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_jeep_grand-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":[]}