JEEP

1806416

2016-06-09 · NHTSA 10226273

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: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **U0140 - Lost Communication With Body Control Module (TIPM).** · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. **The following software enhancements are also available: · Cruise control enhancements. · Engine is hard to start at temperatures -29°C (-20°F) for vehicles utilizing E15 fuel only.** In addition, customers may report that the vehicle has failed the emissions certification test. Upon further investigation, it may be found that the Individual Cylinder Fuel Control (ICFC) monitors are reporting as failing to the scan tool even though the monitors have actually passed.

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.