{"nhtsa_id":10176592,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-06-22","date":"2020-05-30","document_id":"18-050-20","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","mfr_system":null,"summary":"Powertrain Control Module (PCM) Replacement - P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) This bulletin involves replacing the Powertrain Control Module (PCM) and re-programming with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Code (DTC) set in the PCM memory:P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176592-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176592-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176592","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P2172"],"topics":[],"vehicles":[{"make":"DODGE","model":"CHALLENGER","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_dodge_challenger"]},{"make":"DODGE","model":"CHARGER","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_dodge_charger"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_jeep_grand-cherokee"]}],"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":[]}