{"nhtsa_id":10218216,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2014-11-21","document_id":"18-045-14","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"P20EE SCR NOX Catalyst Efficiency Below Threshold Bank 1 This bulletin involves verifying the proper operation of the Diesel Exhaust Fluid (DEF) system and, if necessary, replacing the Selective Catalyst Reduction (SCR) Catalyst assembly. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find Diagnostic Trouble Code (DTC) P20EE SCR NOX Catalyst Efficiency Below Threshold Bank 1 set in the Powertrain Control Module (PCM) memory..","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10218216-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10218216-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218216","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P20EE"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_jeep_grand-cherokee"]},{"make":"RAM","model":"1500","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_ram_1500"]}],"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":[]}