GM Service Manual Online
For 1990-2009 cars only

System

DTCs Required to Set System Status to YES

AIR

DTC P0410

Catalyst

DTC P0420

EGR

DTC P0401

EVAP

DTC P0442

DTC P0446

DTC P0455

DTC P0496

Oxygen Sensor

DTC P0133 or P0153

DTC P0140

DTC P1133 or P1153

DTC P0136

DTC P1134 or P1154

Oxygen Sensor Heater

DTC P0135, P0141, or P0155