{"nhtsa_id":10242789,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-25","date":"2023-07-11","document_id":"0811023","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Integrated Dual Charging Module (IDCM) Enhancements Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ?B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. ? B22A9-16 - ECU Internal Performance-Circuit Voltage Below Threshold. ? B22A9-17 - ECU Internal Performance-Circuit Voltage Above Threshold. ?B22A9-19 - ECU Internal Performance-Overcurrent. Customer may also experience the following: ? Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10242789-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10242789-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10242789","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B22A9"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_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":[]}