{"vehicle":{"id":"2024_gmc_hummer-ev-pickup","year":2024,"make":"GMC","model":"Hummer EV Pickup"},"code":"C1114","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"bulletins":[{"nhtsa_id":11018432,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-19","date":"2025-05-07","document_id":"PIT6212C","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018432-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018432-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018432"},{"nhtsa_id":11011120,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-12-04","date":"2024-10-26","document_id":"23-NA-149","mfr_campaign":null,"component":"SERVICE BRAKES; ELECTRICAL SYSTEM","summary":"This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11011120-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11011120-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11011120"},{"nhtsa_id":11009165,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-10-25","date":"2024-10-25","document_id":"PIT6212B","mfr_campaign":null,"component":"SERVICE BRAKES","summary":"This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11009165-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11009165-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11009165"},{"nhtsa_id":11002020,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-06-24","date":"2024-06-07","document_id":"23-NA-149","mfr_campaign":null,"component":"SERVICE BRAKES; ELECTRICAL SYSTEM","summary":"This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11002020-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11002020-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11002020"},{"nhtsa_id":10250580,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-02-23","date":"2024-02-15","document_id":"23-NA-149","mfr_campaign":null,"component":"ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; SERVICE BRAKES, HYDRAULIC; EQUIPMENT; ELECTRICAL SYSTEM","summary":"This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10250580-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10250580-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10250580"},{"nhtsa_id":10243754,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-10","date":"2023-09-15","document_id":"23-NA-149","mfr_campaign":null,"component":"EQUIPMENT; SERVICE BRAKES","summary":"This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243754-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243754-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243754"}],"url":"https://open.wenmarpro.com/makes/gmc/hummer-ev-pickup/2024/bulletins?code=C1114"},"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/gmc/hummer-ev-pickup/2024/codes/C1114","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."]}