{"nhtsa_id":10141271,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2016-05-20","document_id":"18-004-16 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; ENGINE","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 DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10141271-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10141271-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10141271","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0031","P0116","P0300","P0301","P0302","P0303","P0304","P0335","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":[]}