{"nhtsa_id":10227751,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-12","date":"2022-10-20","document_id":"2103122","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","mfr_system":null,"summary":"Transfer Case Replacement This bulletin involves replacing the transfer case assembly for Diagnostic Trouble Code (DTC) C14A1-74. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find the following DTC has been set: C14A1-74 - Unintended Actuator Shaft Movement Detected-Actuator Slipping.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227751-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227751-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10227751","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":["C14A1"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_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":[]}