{"nhtsa_id":11010635,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-11-18","date":"2024-11-13","document_id":"18-084-24","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":"Powertrain Control Module","summary":"\"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P018B-00 - Fuel Pressure Sensor \"\"B\"\" Circuit Range/performance. ● P1CEA-00 - Boost Side Evap Purge System Performance. ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off. The following software update is also available: ● Poor AC performance in hot ambient temperatures. ● Engine speed display improvement for tachometer on the Instrument Panel Cluster (IPC) - smoother tachometer display (previous was too active). ● Prevent false fails with MIL on. This bulletin involves reprogramming the PCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010635-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010635-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11010635","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P018B","P06DD","P1CEA"],"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":[]}