18-081-17

Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software.This bulletin applies to vehicles within the following markets/countries: NAFTA, LATAM, EMEA and APAC. 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:2.4L EngineP0335 - Crankshaft Position Sensor Circuit. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P1607 - PCM Internal Shutdown Timer Rationality - (Powertrain Control Module). P2610 - PCM Internal Engine Off Timer Performance - (Powertrain Control Module). P0456 - EVAP System Small Leak. P0441 - EVAP Purge System Performance. P0443 - EVAP Purge Solenoid Circuit. P0116 - Engine Coolant Temperature Sensor Performance. P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. U0140 - Lost Communication With Body Control Module (BCM). Customers may also notice one or more of the following symptoms:When coming to a stop or making a turn, their vehicle would suddenly shutoff. Mostly noted in high ambient conditions greater than 40° C (105° F)(ED3 Engine only). A hesitation/surge feel that some customers might note it feels like misfire at 65-110 kph (40-70 mph) in 4th gear lock up(ED3 Engine only). In addition, the following software enhancements are available:Start Improvements for cold or high altitude starts when using E15 fuel(ED3 Engine only). 3.6L EngineP0335 - Crankshaft Position Sensor Circuit. P2610 - PCM Internal Engine Off Timer Performance. P0456 - EVAP System Small Leak. P0300 - Multiple Cylinder Misfire. P000A - Bank 1 Camshaft 1 Position Slow Response. P000B - Bank 1 Camshaft 2 Position Slow Response. In addition, the following software enhancement is available:Improved shift quality.