18-032-16

Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest 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: · **U1424 - Implausible Engine Torque Signal Received. · 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. · P2227 - Barometric Pressure Circuit Performance. · P3032 - Barometric Pressure Sensor Performance Plausibility. · P0441 - EVAP Purge System Performance. · P0455 - EVAP System Large Leak. · P0335 - Crankshaft Position Sensor Circuit.** · P0339 - Crankshaft Position Sensor Intermittent. · P0456 - EVAP System Small Leak. **In addition, the following software enhancement is available: · Changes to Enhanced Automated Oil Change Indicator (EAOCI) calibration to more accurately determine maintenance interval based on engine loads and driving eq habits.**