{"nhtsa_id":10180285,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-28","date":"2020-08-28","document_id":"18-053-20 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs.P0300 - Multiple Cylinder Misfire. P258B - Electronic Vacuum Pump Performance. C1252-92 - Vacuum Pump Control Circuit - Performance Or Incorrect Operation. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. P1404 - EGR Close Position Performance. P1206 - Fuel Pump Control Module Open Circuit To Fuel Pump. Upon diagnosing the vehicle the technician may find DTC P1206 set before flashing the vehicle, the correct DTC will now be P025A - Fuel Pump Module Control Circuit Open after the software update.In addition the customer may notice one or more of the following:The Anti-Lock Brake System (ABS) light illuminates. The customer may notice an ability to shift into 1st gear at an unsafe speed(MTX Only). Cluster displays \"Autopark Engaged\" even when autopark is no longer active.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180285-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180285-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10180285","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["C1252","P025A","P0300","P0456","P1206","P1404","P258B"],"topics":[],"vehicles":[{"make":"JEEP","model":"GLADIATOR","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_jeep_gladiator"]}],"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":[]}