{"vehicle":{"id":"2023_volkswagen_id-4","year":2023,"make":"Volkswagen","model":"ID.4"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":23,"bulletins":[{"nhtsa_id":11025450,"type":"other","type_name":"Other","date_added":"2025-11-10","date":"2025-10-20","document_id":"VIN4APIN20251020","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states MIL-on; Coolant leak from the cylinder head gasket, low coolant level, visible coolant leak, coolant warning message in instrument cluster; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states various error messages on the cluster; Customer states A/C Inop, no cooling; Customer states wind noise and or water ingress; Customer states front brake noise/premature uneven pad wear; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025450-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025450-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025450"},{"nhtsa_id":11025449,"type":"other","type_name":"Other","date_added":"2025-11-10","date":"2025-10-08","document_id":"VIN4APIN20251008","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states MIL-on; Coolant leak from the cylinder head gasket, low coolant level, visible coolant leak, coolant warning message in instrument cluster; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states various error messages on the cluster; Customer states wind noise and or water ingress; Customer states front brake noise/premature uneven pad wear; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025449-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025449-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025449"},{"nhtsa_id":11025448,"type":"other","type_name":"Other","date_added":"2025-11-10","date":"2025-10-01","document_id":"VIN4APIN20251001","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states various error messages on the cluster; Customer states wind noise and or water ingress; Customer states front brake noise/premature uneven pad wear; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025448-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025448-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025448"},{"nhtsa_id":11023843,"type":"other","type_name":"Other","date_added":"2025-10-03","date":"2025-09-10","document_id":"VIN4APIN20250910","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states wind noise and or water ingress; Customer states there is a noise coming from the front strut arae; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023843-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023843-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023843"},{"nhtsa_id":11022724,"type":"other","type_name":"Other","date_added":"2025-09-04","date":"2025-08-18","document_id":"VIN4APIN20250818","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states wind noise and or water ingress; Customer states middle row seat rattles; Customer states there is a noise coming from the front strut arae; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022724-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022724-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022724"},{"nhtsa_id":10241205,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-01","date":"2023-08-24","document_id":"VIN4APIN20230824","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); SEATS; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; SEAT BELTS","summary":"Customer states MIL-on, P2421 stored in ECM memory Customer states MIL-on, P2402 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL-on, fault P04F0 stored in ECM memory Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press (not KESSY) Customer states seat memory is inoperative Customer states seat belt won't retract","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241205-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241205-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241205"},{"nhtsa_id":10241203,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-01","date":"2023-08-22","document_id":"VIN4APIN20230822","mfr_campaign":null,"component":"SEAT BELTS; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; SEATS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","summary":"Customer states MIL-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL-on, fault P04F0 stored in ECM memory Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press (not KESSY) Customer states seat memory is inoperative Customer states seat belt won't retract","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241203-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241203-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241203"},{"nhtsa_id":10241202,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-01","date":"2023-08-15","document_id":"VIN4APIN20230815","mfr_campaign":null,"component":"SEAT BELTS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); SEATS; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; AIR BAGS","summary":"Customer states MIL-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL-on, fault P04F0 stored in ECM memory Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press (not KESSY) Customer states seat memory is inoperative Customer states seat belt won't retract Customer states airbag light on","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241202-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241202-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241202"},{"nhtsa_id":10241201,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-01","date":"2023-08-03","document_id":"VIN4APIN20230803","mfr_campaign":null,"component":"AIR BAGS; EXTERIOR LIGHTING:TAIL LIGHTS; SEATS; SEAT BELTS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","summary":"Customer states MIL-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL-on, fault P04F0 stored in ECM memory Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states condensation in the taillights Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press (not KESSY) Customer states seat memory is inoperative Customer states seat belt won't retract Customer states airbag light on","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241201-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241201-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241201"},{"nhtsa_id":10240133,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-04","date":"2023-07-31","document_id":"VIN4APIN20230731","mfr_campaign":null,"component":"SEAT BELTS:FRONT:RETRACTOR; ELECTRICAL SYSTEM:IGNITION:INTERLOCK/LOCKOUT; ELECTRICAL SYSTEM:ADAS:CONTROL MODULE; EXTERIOR LIGHTING:TAIL LIGHTS; UNKNOWN OR OTHER; STRUCTURE:INTERIOR PANELS:SUN VISOR","summary":"Customer states MIL-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL-on, fault P04F0 stored in ECM memory Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states condensation in the taillights Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press (not KESSY) Customer states seat memory is inoperative Customer states seat belt won't retract","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240133-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240133-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10240133"}],"url":"https://open.wenmarpro.com/makes/volkswagen/id-4/2023/bulletins?code=P0456"},"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/volkswagen/id-4/2023/codes/P0456","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."]}