{"nhtsa_id":11030252,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-25","date":"2026-03-21","document_id":"18-042-26","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P2AF6-00 - Dual Starter Relay Stuck (in active or stored status). ● P1CEA - Boost Side EVAP Purge System Performance (in active or stored status). ● P2C90-00 - Crankcase Ventilation System - Hose \"A\" Disconnected (in active or stored status). ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1 (in active or stored status). ● P0071-00 - Ambient Air Temperature Sensor Performance (in active or stored status). ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit (in active or stored status). ● P0072-00 - Ambient Air Temperature Sensor Circuit \"A\" Low (in active or stored status). ● P0073-00 - Ambient Air Temperature Sensor Circuit \"A\" High (in active or stored status). ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or (in active or stored status). ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1 (in active or stored status). ● U0673-00 - Lost Communication With Ion Sense Module (in active or stored status). ● P05BD-00 - Stop-Start Mode Switch Range/Performance (in active or stored status). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (in active or stored status). ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance (in active or stored status). ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking (in active or stored status). ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit (in active or stored status). ● P032A-00 - Knock - Combustion Vibration Sensor C Circuit (in active or stored status). ● P062B-00 - Internal Control Module Fuel Injector Control Performance (in active or stored status). ● P018B-00 - Fuel Pressure Sensor \"B\" Circuit Range/Performance (in active or stored status). ● P00F3-00 - Humidity Sensor Circuit Range - Pe","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030252-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030252-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030252","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0011","P0071","P0072","P0073","P00C6","P00F3","P0111","P0116","P018B","P0325","P032A","P0330","P05BD","P062B","P06DD","P1CEA","P25E4","P2AF6","P2C90","U0673"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_wagoneer"]}],"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":[]}