{"nhtsa_id":10121862,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-11-10","document_id":"18-048-16 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","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 Diagnostic Trouble Codes (DTCs) set in the PCM memory: P0335 - Crankshaft Position Sensor Circuit. P0456 - Evap System Small Leak. P219A - Bank 1 Air Fuel Ratio Imbalance. P050B - Cold Start Ignition Timing Performance.The following software enhancement is also available: Engine is hard to start at temperatures -29°C (-20°F) for vehicles utilizing E15 fuel only (Sales Code ECN). Cruise control acceleration rate may be considered objectionable to some customers if the accel button is held down.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121862-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121862-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121862","components":[{"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":["P0335","P0456","P050B","P219A"],"topics":[],"vehicles":[{"make":"JEEP","model":"COMPASS","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_jeep_compass","2016_jeep_compass"]}],"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":[]}