{"nhtsa_id":10159917,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-11-07","document_id":"21-059-15","mfr_campaign":null,"replaces":null,"component":"ENGINE; EQUIPMENT; POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. 2.4L Engine (Sales Code ED6) Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: ? P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: ? Less than desired low speed drivability and response to accelerator pedal input. ? Less than desired 5-4 coast down transmission shift quality. ? Less than desired transmission shift quality. ? Transmission is slow to upshift after releasing the accelerator pedal. 3.2L Engine (Sales Code EBH) Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: ? P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: ? Less than desired low speed drivability and response to accelerator pedal input. ? Less than desired 5-4 coast down transmission shift quality. ? Less than desired transmission shift quality. ? Less than optimal transmission shift timing, driving up and down hills. ? Less than desired Engine Stop/Start re-engagement or smoothness. ? Transmission is slow to upshift after releasing the accelerator pedal.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159917-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159917-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10159917","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P061B"],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_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":[]}