18-098-16

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **P1115 - General Temperature Rationality. · P0441 - EVAP Purge System Performance. · P0456 - EVAP System Small Leak. · P030X - Cylinder x Misfire Detection. · P0335 - Crankshaft Position Sensor Circuit. · P0122 - Throttle Position Sensor 1 Circuit Low. · P0123 - Throttle Position Sensor 1 Circuit High. · P0222 - Throttle Position Sensor 2 Circuit Low. · P0223 - Throttle Position Sensor 2 Circuit High. · P2299 - Brake Pedal Position/Accelerator Pedal Position Incompatible. · P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). · P2610 - PCM Internal Engine Off Timer Performance.** · P0300 - Multiple Cylinder Misfire. · P2096 - Downstream Fuel Trim System 1 Lean. · P2097 - Downstream Fuel Trim System 1 Rich. · P2098 - Downstream Fuel Trim System 2 Lean. · P2099 - Downstream Fuel Trim System 2 Rich. · P0513 - Invalid Skim Key - May set when pressing the remote start button on the Frequency Operated Button/Integrated Key (FOBIK) and Keyless Ignition Node (KIN) at the same time. Customers may also experience one or more of the following conditions: · Unable to obtain top vehicle speed during aggressive Wide Open Throttle (WOT) operation due to false spark knock/detonation detection. · Less then desired engine performance on cold start.