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.