{"vehicle":{"id":"2023_jeep_grand-cherokee","year":2023,"make":"Jeep","model":"Grand Cherokee"},"code":"B3A11","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":9,"bulletins":[{"nhtsa_id":11035160,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-23","date":"2026-07-14","document_id":"08-045-26 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Not applicable to vehicles built for US market. Flash: Hybrid Control Processor (HCP) / Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find the following Diagnostic Trouble Code (DTC) has been set: ● B3A11-00 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customers may experience one or more of the following: ● Low/weak 12V battery or a no start condition. ● Vehicle unable to charge while key off. This bulletin involves reprogramming the **HCP/AHCP** to the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035160-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035160-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035160"},{"nhtsa_id":11028761,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-12","date":"2026-02-05","document_id":"08-045-26","mfr_campaign":null,"component":"STRUCTURE:BODY; ELECTRICAL SYSTEM","summary":"Not applicable to vehicles built for US market. Flash: Power Inverter Module (PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find the following Diagnostic Trouble Code (DTC) has been set: ● B3A11-00 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customers may experience the following: ● Low/weak 12V battery or a no start condition. ● Vehicle unable to charge while key off. This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM), with the latest available software. NOTE: This new software level includes the remedy software for safety campaign 95B. If the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028761-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028761-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028761"},{"nhtsa_id":11017358,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-30","date":"2025-04-23","document_id":"08-122-25 REV. A","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"\"A/C Blowing Warm Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must set the following Diagnostic Trouble Code (DTC): ● B3A11 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customer may also comment on the following: ● A/C system blowing warm air. This bulletin involves replacing the battery chiller.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017358-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017358-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017358"},{"nhtsa_id":11017149,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-23","date":"2025-04-19","document_id":"08-122-25","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"\"A/C Blowing Warm Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must set the following Diagnostic Trouble Code (DTC): ● B3A11 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customer may also comment on the following: ● A/C system blowing warm air. This bulletin involves replacing the battery chiller.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017149-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017149-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017149"},{"nhtsa_id":11016340,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-02","date":"2025-03-27","document_id":"S2424000003 REV.C","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"AC REFRIGERANT EXPANSION VALVE ACTUATORAC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016340-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016340-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016340"},{"nhtsa_id":11016058,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-28","date":"2025-03-28","document_id":"S2424000003 REV.D","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016058-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016058-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016058"},{"nhtsa_id":11015611,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-14","date":"2025-03-14","document_id":"S2424000003 REV.C","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015611-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015611-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015611"},{"nhtsa_id":11015025,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-05","date":"2025-02-25","document_id":"S2424000003 REV.B","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015025-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015025-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015025"},{"nhtsa_id":11006542,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-08-21","date":"2024-08-21","document_id":"S2424000003 REV.A","mfr_campaign":null,"component":"ENGINE","summary":"AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006542-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006542-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11006542"}],"url":"https://open.wenmarpro.com/makes/jeep/grand-cherokee/2023/bulletins?code=B3A11"},"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/B3A11","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."]}