JEEP

18-022-24 REV. A

2024-05-16 · NHTSA 11001250

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

"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)."

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.