GM Service Manual Online
For 1990-2009 cars only

System

DTCs Required to Set System Status to YES

Catalyst

DTC P0420

EVAP

DTC P0441

DTC P0442

DTC P0446

DTC P0450

DTC P0452

DTC P0453

DTC P0456

Oxygen Sensor

DTC P0130

DTC P0133

DTC P0134

Oxygen Sensor Heater

DTC P0031

DTC P0032

DTC P0037

DTC P0038