{"nhtsa_id":10231769,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-13","date":"2023-01-07","document_id":"18-003-23","mfr_campaign":null,"replaces":null,"component":"ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING; POWER TRAIN; FUEL SYSTEM, GASOLINE; PARKING BRAKE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; BACK OVER PREVENTION","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: **P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. P025C - Fuel Pump Module Control Circuit Low. P208B - Reductant Pump 1 Control Performance. P0300-00 - Multiple Cylinder Misfire (MIL Illuminated During 4WD-LO Only). P0301-00 - Cylinder 1 Misfire (MIL Illuminated During 4WD-LO Only). P0302-00 - Cylinder 2 Misfire (MIL Illuminated During 4WD-LO Only). P0303-00 - Cylinder 3 Misfire (MIL Illuminated During 4WD-LO Only). P0304-00 - Cylinder 4 Misfire (MIL Illuminated During 4WD-LO Only). P0305-00 - Cylinder 5 Misfire (MIL Illuminated During 4WD-LO Only). P0403-00 - EGR Control Circuit Open ? Disabled Fault.** P225D-00 - NOX Sensor 1/1 Performance Signal Stuck Low. P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P065A - Generator System Performance. P00F4-00 - Humidity Sensor Circuit Low. P20FB-00 - Reductant Pump 2 Control Performance. P200A-00 - Intake Manifold Runner Performance Bank 1. P200B-00 - Intake Manifold Runner Performance Bank 2. P2610 - PCM Internal Engine Off Timer Performance. P0534-00 - AC Refrigerant System A Charge Loss. P04DB-00 - Crankcase Ventilation System Disconnected. P204F-00 - Reductant System Performance. P2199-00 - Intake Air Temperature Sensor 1/2 Correlation. P0087-00 - Fuel Rail Pressure Too Low (with rapid apply and release of accelerator pedal). P0306-00 - Cylinder 6 Misfire. 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. P01D0-00 - Cylinder 3 Injection Timi","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231769-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231769-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231769","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":["P0087","P00F4","P016F","P01CB","P01CC","P01CD","P01CE","P01CF","P01D0","P025C","P0300","P0301","P0302","P0303","P0304","P0305","P0306","P0403","P04DB","P0534","P065A","P200A","P200B","P204F","P208B","P20FB","P2199","P225D","P249C","P2610"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_jeep_wrangler"]}],"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":[]}