{"nhtsa_id":11001250,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-06-07","date":"2024-05-16","document_id":"18-022-24 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Powertrain Control Module","summary":"\"Flash: Powertrain Control Module (PCM) Enhancements **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):** ● U0402-00 - Implausible Data Received From TCM. ● U145D - Implausible Data Received From TCM On D-PT. Customers may experience one or more of the following: ● Noticeable oil life degradation when fuel and oil refresh mode active. ● Vehicle may not be able to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. ● FORM staying on too long. Other software enhancement included with this update: ● On Board Fuel Consumption Monitoring Updates (China Only). This bulletin involves reprogramming the PCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this PCM update. ● Battery Pack Control Module (BPCM). ● Transmission Control Module (TCM). ● Integrated Dual Charging Control Module (IDCM). ● Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11001250-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11001250-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11001250","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["U0402","U145D"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_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":[]}