{"nhtsa_id":10150551,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2015-04-23","document_id":"18-005-15 REVC","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150551-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150551-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150551","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P0031","P0116","P050D","P106A","P2172","P219A","P2251"],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_jeep_cherokee","2015_jeep_cherokee"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}