{"nhtsa_id":10150564,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2018-10-08","document_id":"18287","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"18287 - Special Coverage. On certain vehicles equipped with a 6.6L Duramax diesel engine (RPO LGH), the malfunction-indicator light (MIL) may illuminate due to soot build-up in the Exhaust Gas Recirculation (EGR) cooler. This special coverage covers the condition described above for a period of 10 years or 120,000 miles (193,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Dealers are to replace the EGR cooler.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10150564-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10150564-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150564","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_chevrolet_express","2014_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_gmc_savana","2014_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":[]}