{"nhtsa_id":10033751,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-09-17","date":"2010-04-17","document_id":"EF-E10040","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"CUMMINS: BREATHER TUBES FREEZING IN STEP VAN APPLICATIONS. STEP VANS MANUFACTURED BY FREIGHTLINER THAT ARE SUSCEPTIBLE TO WATER FREEZING IN THE BREATHER TUBE. THIS FREEZING CAN CAUSE MULTIPLE COUNTS OF FAULT CODES 555 AND 556 AND LEAD TO PROGRESSIVE DAMAGE OF THE TURBOCHARGER. CHECK FOR ICE IN THE BREATHER TUBE AT THE CONNECTION TO THE TURBOCHARGER INLET. MODELS ISB CM2150. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10033751","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISB CM2150","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}