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.