{"nhtsa_id":10232696,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-08","date":"2023-03-07","document_id":"N212351211","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","mfr_system":null,"summary":"General Motors has decided to conduct a voluntary emissions recall involving certain vehicles, equipped with a diesel engine. The Engine Control Module (ECM) may not properly detect faults, set DTCs or illuminate the Malfunction Indicator Light (Check Engine Light) if these fault conditions occur: •Charge Air Cooler (CAC) low efficiency (DTC P026A) •Exhaust Gas Recirculation (EGR) cooler low efficiency (DTC P2457) •NOx sensor position 1 slow response (DTC P22F9) Dealers are to reprogram the Engine Control Module (ECM) with corrected software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232696-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232696-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232696","components":[{"id":"engine","name":"Engine","parent":null},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":["P026A","P22F9","P2457"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_gmc_sierra"]}],"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":[]}