{"nhtsa_id":10198584,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-07-01","date":"2021-06-02","document_id":"TSB 21-2174","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some 2021 Mustang vehicles equipped with a 5.0L engine and built on or before 11-Feb-2021 may exhibit an intermittent rough running drivability concern with an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTC) P0351, P0352, P0353 and/or P0354 stored in the powertrain control module (PCM). This may be due to a software parameter within the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198584-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198584-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10198584","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0351","P0352","P0353","P0354"],"topics":[],"vehicles":[{"make":"FORD","model":"MUSTANG","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ford_mustang"]}],"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":[]}