{"vehicle":{"id":"2022_jeep_wrangler","year":2022,"make":"Jeep","model":"Wrangler"},"code":"B22A9","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":8,"bulletins":[{"nhtsa_id":11034899,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-08","date":"2026-07-03","document_id":"08-261-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● **B22A9-87 - ECU Internal Performance-Missing Message. ● P0D21-00 - Battery Charger \"A\" Output Voltage Too Low.** ● 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. Customers 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/2026/MC-11034899-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034899-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034899"},{"nhtsa_id":11025512,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-11-13","date":"2025-11-06","document_id":"S2508000100","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025512-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025512-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025512"},{"nhtsa_id":10248046,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-02","date":"2023-02-25","document_id":"0805823","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","summary":"Integrated Dual Charging Module (IDCM) Replacement Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTCs have been set: ? B22A9-87 - ECU Internal Performance-Missing Message. Customer may also experience the following: ? Unable to charge the vehicle. This bulletin involves replacing the IDCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248046-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248046-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248046"},{"nhtsa_id":10248012,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-02","date":"2023-02-10","document_id":"0804923","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING","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 Diagnostic Trouble Code (DTC) 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. 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-10248012-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248012-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248012"},{"nhtsa_id":10241117,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-21","date":"2023-06-23","document_id":"0804923","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","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 Diagnostic Trouble Code (DTC) 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. 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-10241117-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241117-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241117"},{"nhtsa_id":10234519,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-04-17","date":"2023-02-25","document_id":"0805823","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","summary":"Integrated Dual Charging Module (IDCM) Replacement Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTCs have been set: ? B22A9-87 - ECU Internal Performance-Missing Message. Customer may also experience the following: ? Unable to charge the vehicle. This bulletin involves replacing the IDCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10234519-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10234519-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10234519"},{"nhtsa_id":10234485,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-04-17","date":"2023-02-10","document_id":"0804923","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING","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 Diagnostic Trouble Code (DTC) 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. 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-10234485-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10234485-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10234485"},{"nhtsa_id":10221507,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2022-06-29","document_id":"0813722","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","summary":"Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) have been set: B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. Customer may also experience the following:Vehicle will not charge.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10221507-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10221507-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221507"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2022/bulletins?code=B22A9"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2022/codes/B22A9","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}