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.**
