{"vehicle":{"id":"2023_jeep_grand-cherokee","year":2023,"make":"Jeep","model":"Grand Cherokee"},"code":"B22A9","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":10,"bulletins":[{"nhtsa_id":11034890,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-08","date":"2026-07-03","document_id":"08-054-26 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **B22A9-87 - ECU Internal Performance-Missing Message. ● P0D21-00 - Battery Charger \"A\" Output Voltage Too Low.** ● B22A9-42 - ECU Internal Performance-general Memory 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. ● B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. Customers may also comment on the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034890-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034890-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034890"},{"nhtsa_id":11028864,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-19","date":"2026-02-11","document_id":"08-054-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **B22A9-42 - ECU Internal Performance-general Memory 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. ● B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. Customers may also comment on the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028864-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028864-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028864"},{"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":11013575,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-04","date":"2025-01-29","document_id":"08-030-25","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"\"Flash: Integrated Dual Charging Module (IDCM) Enhancements **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● 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. Customers may also experience the following: ● Vehicle will not charge.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013575-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013575-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013575"},{"nhtsa_id":11004342,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-11","date":"2024-07-11","document_id":"9100386","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Security Gateway Module Battery Voltage - Circuit Voltage Below Threshold - DTC B2199-16 Repair Action : 1) Check OR Replacing cabling. 2) Check OR Replacing connector. 3) Check the battery is good OR Replacing battery. 4) Check OR Replacing FUSE. 5) Check SGW terminal. Battery Voltage - Circuit Voltage Above Threshold - DTC B2199-17 Repair Action : 1) Check OR Replacing cabling. 2) Check OR Replacing connector. 3) Check the battery is good OR Replacing battery. 4) Check OR Replacing FUSE. 5) Check SGW terminal. CAN Bus- [C-CAN1] (Node mute) or CAN Bus Off Performance- (Bus off failure) - Check DTC in DTC matrix Repair Action: 1) CAN Lines Check 2) Read Fault memory of all nodes 3) Check and download the right calibration file for current vehicle configuration Ethernet Bus Failure - Check DTC Repair Action: 1) CAN Lines Check 2) Read Fault memory of all nodes 3) Check and download the right calibration file for current vehicle configuration ECU-In-Plant-Mode - B235A-00 Repair Action: Install Calibration file with correct policy Ecu Internal Performance - Internal Electronic Failure - DTC B22A9-49 Repair Action: 1. If its in store clear and check again if DTC shows up. 2. Check battery voltage 3. Issue still exist then change ECU ECU Not Programmed / Flash Required (No Valid Application) - DTC C221C-00 Repair Action: 1. Reflash ECU with correct file Control Module Security Certificate Missing/Invalid - DTC U3033-00 or U3033-01 Repair Action: 1. Check connectivity 2. Ethernet network 3. Flash with the latest FOTA App Code 4. Flash the cert store with correct certificate 5. Clear Faults","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11004342-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11004342-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11004342"},{"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,"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 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"},{"nhtsa_id":10241099,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-21","date":"2023-06-16","document_id":"0811023A","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 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-10241099-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241099-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241099"},{"nhtsa_id":10241079,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-21","date":"2023-06-10","document_id":"0811023","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE","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-10241079-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241079-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241079"},{"nhtsa_id":10239965,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-31","date":"2023-05-20","document_id":"0811023","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 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-10239965-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239965-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10239965"},{"nhtsa_id":10236956,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-05-30","date":"2023-04-28","document_id":"0811023","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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236956-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236956-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10236956"}],"url":"https://open.wenmarpro.com/makes/jeep/grand-cherokee/2023/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/grand-cherokee/2023/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."]}