{"nhtsa_id":10220589,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-02-02","document_id":"1800821","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES; ELECTRICAL SYSTEM; BACK OVER PREVENTION; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL","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 that the followingDiagnostic Trouble Codes (DTCs) have been set:Change DTC number from P0101-00 to P0109-00 - Mass Air Flow Sensor Performance. P015E - Excessive Time to Enter Closed Loop Fuel Timing Control. P0534-00 - AC Refrigerant System A Charge Loss. P26FB-00 - EGR Cooler Bypass Control Stuck Closed Bank 1. P04DB-00 - Crankcase Ventilation System Disconnected. P204F-00 - Reductant System Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P2D2D-00 - Cold Start Intake Manifold Runner Performance Bank 1. P2D2E-00 - Cold Start Intake Manifold Runner Performance Bank 2. P2199-00 - Intake Air Temperature Sensor 1 / 2 Correlation. P22FA-00 - NOX Sensor Performance - Slow Response High To Low Bank 1 Sensor 1. P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. P0087-00 - Fuel Rail Pressure Too Low. P0128-00 - Thermostat Rationality(additional software enhancement). P0300-00 - Multiple Cylinder Misfire(cold ambient temperature). P0301-00 - Cylinder 1 Misfire(cold ambient temperature). P0302-00 - Cylinder 2 Misfire(cold ambient temperature). P0303-00 - Cylinder 3 Misfire(cold ambient temperature). P0304-00 - Cylinder 4 Misfire(cold ambient temperature). P0305-00 - Cylinder 5 Misfire(cold ambient temperature). P0306-00 - Cylinder 6 Misfire (cold ambient temperature). P01CB-00 - Cylinder 1 Injection Timing Performance - Over Retarded. P01CC-00 - Cylinder 1 Injection Timing Performance - Over Advanced. P01CD-00 - Cylinder 2 Injection Timing Performance - Over Retarded. P01CE-00 - Cylinder 2 Injection Timing Performance - Over Advanced. P01CF-00 - Cylinder 3 Injection Timing Performance - Over Retarded.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220589-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220589-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220589","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["P0087","P0101","P0109","P0128","P015E","P01CB","P01CC","P01CD","P01CE","P01CF","P0300","P0301","P0302","P0303","P0304","P0305","P0306","P04DB","P0534","P2002","P200A","P200B","P204F","P2199","P22FA","P26FB","P2D2D","P2D2E"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_ram_1500"]}],"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":[]}