{"vehicle":{"id":"2007_gmc_savana","year":2007,"make":"GMC","model":"Savana"},"code":"P0401","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10030730,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-11-24","date":"2009-05-01","document_id":"PIP-4636","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","summary":"CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF ONE OR COMBINATION OF DTCS HAVE BEEN FOUND, INSPECT FOR A WIRE CHAFE ON THE VPS (VANE POSITION SENSOR). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030730"},{"nhtsa_id":10026108,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-09-30","date":"2008-07-01","document_id":"PIP-4380","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","summary":"GMC: EGR LOW FLOW DTC P0401. VEHICLES THAT ARE EQUIPPED WITH THE 6.6L DIESEL ENGINE RPO CODE LM. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026108"},{"nhtsa_id":10021106,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-03-05","date":"2007-03-01","document_id":"060604066","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"LBZ, LLY, ENGINE WITH ROUGH IDLE, POOR PERFORMANCE, BLACK/WHITE EXHAUST SMOKE, MIL/SES LIGHT ON AND ONE OR MORE OF THE FOLLOWING DTC'S P003A, P060B, P0230, P0403, P0401, P0606, P2146, P2149, P2152, P2155. (REPROGRAM ECM AND REPLACE EGR MOTOR OR EGR VALVE. *KB UPDATED 04-27-07. *KB UPDATED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10021106"}],"url":"https://open.wenmarpro.com/makes/gmc/savana/2007/bulletins?code=P0401"},"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/savana/2007/codes/P0401","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."]}