{"nhtsa_id":10121801,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2017-09-19","document_id":"18-085-17","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: 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 the following DTCs set in the PCM memory:P1D83 - Implausible Engine Oil Temperature Signal Received (Software has been updated to better address this DTC). U1504 - Implausible Message Data Length Received From Steering Angle Sensor. U1424 - Implausible Engine Torque Signal Received. P0456 - EVAP System Small Leak. P0335 - Crankshaft Position Sensor Circuit. U0402 - Implausible Data Received From TCM - (Transmission Control Module). B10EA - Blower Motor Control Circuit High. B10E9 - Blower Motor Control Circuit Low. P0441 - EVAP Purge System Performance. P0116 - Engine Coolant Temperature Sensor Performance. P2067 - Fuel Level Sensor 2 Circuit Low (International Only). In addition the customer may notice one of the following conditions:A push/bump feeling when the transmission is downshifting from eighth to seventh gear. Vehicle shudder at stop/start with A/C on. Software enhancement also includes:Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10121801-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10121801-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121801","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["B10E9","B10EA","P0116","P0335","P0441","P0456","P1D83","P2067","U0402","U1424","U1504"],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["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":[]}