Flash: 2.4L Powertrain Diagnostic And System Improvements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest
available software.
Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon
further investigation the technician may find one or more of the following DTCs:
2015 KL Only
· **P0335 - Crankshaft Position Sensor Circuit.**
· P0456 - EVAP System Small Leak.
· P0300 - Multiple Cylinder Misfire.
· P0301 - Cylinder 1 Misfire.
· P0302 - Cylinder 2 Misfire.
· P0303 - Cylinder 3 Misfire.
· P0304 - Cylinder 4 Misfire.
· P2610 - PCM Internal Engine Off Timer Performance.
· P1607 - PCM Internal Shutdown Timer Rationality.
· U0402 - Implausible Data Received From TCM (ED6).
· P0116 - Engine Coolant Temperature Sensor 1 Performance.
· P050D - Cold Start Rough Idle.
· P2172 - High Airflow/Vacuum Leak Detected.
· P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM.
2014 KL Only
· P2172 - High Airflow/Vacuum Leak Detected.
· P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM.
· P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range.
· P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open.
· P0031 - O2 Sensor 1/1 Heater Circuit Low.
In addition, some customers may experience one or more of the following conditions:
· Cold Engine Startup Flare and Idle Surge (ED6).
· Intermittent elevated engine RPM at start up.
· Less than desired gear engagement in lower ambient temperatures.
· Less than desired idle performance.
