GM Service Manual Online
For 1990-2009 cars only

System

DTCs Required to Set System Status to YES

Catalyst

DTC P0420 or P0430

EVAP

DTC P0451

DTC P0454

DTC P0455

DTC P0442

DTC P0446

DTC P0461

DTC P0464

DTC P0496

Oxygen Sensor

DTC P0133 or P0153

DTC P0140 or P0160

DTC P1133 or P1153

DTC P1134 or P1154

DTC P2A01 or P2A04

Oxygen Sensor Heater

DTC P0053, P0054, P0059, or P0060

DTC P0135 or P0155

DTC P0141 or P0161