{"nhtsa_id":11006063,"type":"service_campaign","type_name":"Service campaign","date_added":"2024-08-07","date":"2024-08-07","document_id":"N242469060","mfr_campaign":"N242469060","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"Certain vehicles may erroneously experience an illuminated Check Engine Malfunction Indicator Lamp (MIL) with Diagnostic Trouble Codes (DTC) P2201 NOx Sensor Circuit Performance Sensor 1 and/or P20EE Diesel Exhaust Fluid (DEF) System NOx Trap Low Efficiency. Dealers will reprogram the ECM and/or the DCU with the corrected service calibrations.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006063-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006063-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11006063","components":[],"codes":["P20EE","P2201"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"4500HD","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_chevrolet_4500hd","2023_chevrolet_4500hd"]},{"make":"CHEVROLET","model":"4500XD","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_chevrolet_4500xd"]},{"make":"CHEVROLET","model":"5500HD","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_chevrolet_5500hd","2023_chevrolet_5500hd"]},{"make":"CHEVROLET","model":"5500XD","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_chevrolet_5500xd"]}],"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":[]}