JEEP

18-005-15 REV. A

2015-01-24 · NHTSA 10148600

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: 2.4L Powertrain Diagnostic And System Improvements 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 one of the following Diagnostic Trouble Codes (DTCs). Additionally this PCM update includes the enhancements listed below. 2015 KL Vehicles equipped with a 2.4L engine (Sales Code ED6 or ED8) built on or before October 21, 2014 (MDH 1021XX). ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? Improved software to enable Transmission Control Module (TCM) quick learn enhancements once TCM is updated. 2014 KL Vehicles equipped with a 2.4L engine (Sales Code ED6). ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. ? P0031 - O2 Sensor 1/1 Heater Circuit Low.

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.