{"nhtsa_id":10224733,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-24","date":"2017-08-09","document_id":"1806917","mfr_campaign":null,"replaces":null,"component":"BACK OVER PREVENTION; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble Codes (DTCs) have been set:U1400-00 - Implausible TPS Signal Received P1D73 - AGS Performance -(Active Grill Shutter). P0171 - Fuel System 1/1 Lean. P0174 - Fuel System 2/1 Lean. The following Diagnostic Trouble Codes (DTCs) have been changed from a one trip fault to atwo trip fault:P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0344 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 1. P0345 - Camshaft Position Sensor Circuit - Bank 2 Sensor 1. P0349 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 1. P0365 - Camshaft Position Sensor Circuit - Bank 1 Sensor 2. P0369 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 2. P0390 - Camshaft Position Sensor Circuit - Bank 2 Sensor 2. P0394 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 2. The technician may also find the following DTC stored in the Anti-lock Brake System (ABS) Module memory:The following Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. Thenew software flash will correct this issue.C121C-00 - Torque Request Signal Denied. This software release also includes:Improvement at lower ambient temperatures for Engine Stop/Start (ESS) Starts. Improvements to vehicle drivability during a cam sensor and/or crank sensor malfunction. Transmission quick learn. Engine enhancements.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224733-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224733-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224733","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["C121C","P0171","P0174","P0335","P0339","P0340","P0344","P0345","P0349","P0365","P0369","P0390","P0394","P1D73","U1400"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chrysler_pacifica"]}],"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":[]}