{"nhtsa_id":11013513,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-04","date":"2025-01-29","document_id":"08-020-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":"Drivetrain Control Module","summary":"\"Flash: Drivetrain Control Module (DTCM) Updates A moaning, grinding, or groaning type noise while driving between 80 - 112 kph (50 - 70 mph). Noise is not heard when the front axle is disengaged. (The noise can happen more as the ambient temperatures become colder). This bulletin involves reprogramming the DTCM with the latest software available.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013513-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013513-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013513","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":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee-l"]}],"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":[]}