{"nhtsa_id":11030254,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-25","date":"2026-03-21","document_id":"18-044-26","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): ● **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) ● 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) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor \"B\" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030254-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030254-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030254","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0011","P0071","P0072","P0073","P00C6","P0111","P0116","P018B","P0300","P05BD","P0604","P060C","P062B","P06DD","P1CEA","P25E4"],"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":[]}