{"nhtsa_id":11012186,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-01-03","date":"2024-12-19","document_id":"18-090-24","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Powertrain Control Module","summary":"\"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2.** ● P0456 - EVAP System Small Leak. NOTE: If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. This bulletin involves reprogramming the PCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012186-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012186-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012186","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0420","P0430","P0456"],"topics":[],"vehicles":[{"make":"DODGE","model":"CHALLENGER","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_dodge_challenger"]}],"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":[]}