{"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,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"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","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":["P003A","P0234","P0401","P0402","P0652","P0698","P0699","P2563"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_chevrolet_express","2008_chevrolet_express","2009_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_gmc_savana","2008_gmc_savana","2009_gmc_savana"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}