{"nhtsa_id":10160077,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-24","document_id":"18-005-15 REV F","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","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. Some 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 ? P0456 - EVAP System Small Leak. ? P0300 - Multiple Cylinder Misfire. ? P0301 - Cylinder 1 Misfire. ? P0302 - Cylinder 2 Misfire. ? P0303 - Cylinder 3 Misfire. ? P0304 - Cylinder 4 Misfire. ? P2610 - PCM Internal Engine Off Timer Performance. ? P1607 - PCM Internal Shutdown Timer Rationality. ? U0402 - Implausible Data Received From TCM (ED6). ? 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: ? Cold Engine Startup Flare and Idle Surge (ED6). ? Intermittent elevated engine RPM at start up. ? Less than desired gear engagement in lower ambient temperatures. ? Less than desired idle performance. These conditions apply to 2015 model year vehicles only.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160077-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160077-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160077","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P0031","P0116","P0300","P0301","P0302","P0303","P0304","P0456","P050D","P106A","P1607","P2172","P219A","P2251","P2610","U0402"],"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":[]}