{"nhtsa_id":10222982,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-01-15","document_id":"0801022","mfr_campaign":null,"replaces":null,"component":"BACK OVER PREVENTION; EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. The customer may describe one or more of the following: Noise while disconnecting the 4WD at speeds around 56 kph (35 mph). A hum, chatter or growl noise heard intermittently at speeds approximately between 48-72 kph (30-45 mph). Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) is active or stored:C2502-64 - Status ECM Tcfailsts Or Transm2 Transmissionfailsts Or Brake8 Dstfailsts Or Brake8 Escfailsts Or Status ECM Emsfailsts Or Ge Electricsteeringfailsts - Signal Plausibility Failure. DTC C2502-64 may be active or stored in the DTCM due to other OBD DTC?s with the Transmission Control Module (TCM) or Powertrain Control Module (PCM). The DTC will not turn on a Malfunction Indicator Lamp (MIL) light.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222982-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222982-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10222982","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["C2502"],"topics":[],"vehicles":[{"make":"JEEP","model":"COMPASS","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_jeep_compass","2018_jeep_compass"]}],"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":[]}