For 1990-2009 cars

Causes | Action
--- | ---
The engine performance is degraded. | Refer to A Powertrain On Board Diagnostic (OBD) System Check in Engine Controls.
The Winter Program is selected. | Check the Winter Program selection.
The Default Mode is active. | Refer to Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission .
The Torque Converter is defective. | Replace the Torque Converter.