JEEP

18-005-15 REVC

2015-04-23 · NHTSA 10150551

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 reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Codes (DTCs). 2015 KL Only: ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P050D - Cold Start Rough Idle. ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only: ? 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. In addition, some customers may experience one or more of the following conditions. These conditions apply to 2015 model year vehicles only: ? Intermittent elevated engine RPM at start up. ? Less than desired gear engagement in lower ambient temperatures. ? Less than desired idle performance.

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.