{"vehicle":{"id":"2022_jeep_grand-wagoneer","year":2022,"make":"Jeep","model":"Grand Wagoneer"},"code":"B2204","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10229121,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-03-04","document_id":"0804622","mfr_campaign":null,"component":"BACK OVER PREVENTION; EXTERIOR LIGHTING","summary":"Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The customer may experience one or more of the following: Active Noise Cancellation (ANC) drone noise between 950 RPM and 1,000 RPM, during a start up. Battery draining. Blinking odometer. Upon further investigation the technician may find the following DTCs have been set:The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance.If B221F-00 is a stored fault update the AMP with appropriate software. If the fault is active, follow normal DTC diagnostics. Use inspection LOP (18-60-07-AF) to close the active RSU. B2204-00 - ECU Configuration Mismatch.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229121-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229121-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229121"},{"nhtsa_id":10223159,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-03-04","document_id":"0804622","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The customer may experience one or more of the following: Active Noise Cancellation (ANC) drone noise between 950 RPM and 1,000 RPM, during a start up. Battery draining. Blinking odometer. Upon further investigation the technician may find the following DTCs have been set:The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance.If B221F-00 is a stored fault update the AMP with appropriate software. If the fault is active, follow normal DTC diagnostics. Use inspection LOP (18-60-07-AF) to close the active RSU. B2204-00 - ECU Configuration Mismatch.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10223159-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10223159-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10223159"},{"nhtsa_id":10220777,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2022-03-04","document_id":"0804622","mfr_campaign":null,"component":"EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS","summary":"Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The customer may experience one or more of the following: Active Noise Cancellation (ANC) drone noise between 950 RPM and 1,000 RPM, during a start up. Battery draining. Blinking odometer. Upon further investigation the technician may find the following DTCs have been set:The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance.If B221F-00 is a stored fault update the AMP with appropriate software. If the fault is active, follow normal DTC diagnostics. Use inspection LOP (18-60-07-AF) to close the active RSU. B2204-00 - ECU Configuration Mismatch.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10220777-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10220777-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220777"},{"nhtsa_id":10212380,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-31","date":"2022-03-04","document_id":"0804622","mfr_campaign":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","summary":"Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The customer may experience one or more of the following: Active Noise Cancellation (ANC) drone noise between 950 RPM and 1,000 RPM, during a start up. Battery draining. Blinking odometer. Upon further investigation the technician may find the following DTCs have been set:The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance.If B221F-00 is a stored fault update the AMP with appropriate software. If the fault is active, follow normal DTC diagnostics. Use inspection LOP (18-60-07-AF) to close the active RSU. B2204-00 - ECU Configuration Mismatch.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10212380-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10212380-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10212380"}],"url":"https://open.wenmarpro.com/makes/jeep/grand-wagoneer/2022/bulletins?code=B2204"},"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-wagoneer/2022/codes/B2204","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."]}