{"nhtsa_id":10151739,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-17","date":"2015-10-08","document_id":"21-048-15 REV-A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN","mfr_system":null,"summary":"Flash: Drivetrain Control Module C2020-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module (DTCM) with the latest available software. Some vehicles may experience the All Wheel Drive Light (AWD) illuminating due to DTC C2020-01 ECU Internal Fault setting erroneously in the DTCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10151739-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10151739-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10151739","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":["C2020"],"topics":[],"vehicles":[{"make":"FIAT","model":"500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_fiat_500"]},{"make":"JEEP","model":"RENEGADE","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_jeep_renegade"]}],"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":[]}