{"nhtsa_id":10184471,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-12-21","date":"2020-11-20","document_id":"18-105-20","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):P20EE-00 - SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. Customers may also describe the following condition:Engine Start/Stop inoperative after previous software update. Remote start inoperative(South Korea vehicles only). Incorrect vehicle speed reported by the cluster when the driver changes the speed units. Undesirable pedal response in 4-LO mode. Selective Catalytic Reduction (SCR) system fault codes logged at higher vehicle speeds. Alternator load protection at idle. Check Engine Lamp or low battery indicator","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10184471-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10184471-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10184471","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P20EE","P24B2"],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_jeep_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":[]}