JEEP

18-029-14

2014-04-11 · NHTSA 10139636, 10217961, 10218802

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: MIL Illumination. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: ? P2097- Downstream Fuel Trim System 1 Rich ? P2099- Downstream Fuel Trim System 2 Rich The following powertrain system improvements/enhancements are also included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy. Updating the PCM software will correct the conditions listed above.

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.