{"nhtsa_id":10248013,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-02","date":"2023-02-10","document_id":"0804723","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING","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 the following DTCs have been set: ? **B22A9-16 - ECU Internal Performance-Circuit Voltage Below Threshold. ? B22A9-17 - ECU Internal Performance-Circuit Voltage Above Threshold. ? B22A9-19 - ECU Internal Performance-Overcurrent.** ? B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. ? P0D27-00 - Battery Charger 1 Input Voltage Too Low. Customer may also experience the following: ? **Unable to charge the vehicle with level 2 charger.** ? Vehicle would not charge and the charge station circuit breaker in the house / receptacle trips when its plugged into the vehicle. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248013-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248013-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248013","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["B22A9","P0D27"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_wrangler"]}],"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":[]}