{"nhtsa_id":10114152,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-04-30","document_id":"G-164354","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"13102 - Emission Recall - IMPCO Automotive Recall (Not a GM recall - Administering recall for IMPCO). Vehicles were built with an incorrect ECM calibration that, under some conditions, may cause higher tailpipe exhaust emissions than allowed by the applicable emission standards. Dealers will reprogram the engine control module (ECM). The change to the catalyst temperature model will allow the vehicle to operate as originally designed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114152-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114152-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114152","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_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":[]}