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 P0442

DTC P0446

DTC P0455

DTC P0496

Oxygen Sensor

DTC P0130 or P0150

DTC P0131 or P0151

DTC P0132 or P0152

DTC P0133 or P0153

DTC P0137 or P0157

DTC P0138 or P0158

DTC P0140 or P0160

DTC P167A

DTC P167B

DTC P2096 or P2098

DTC P2097 or P2099

DTC P2195 or P2197

DTC P2196 or P2198

DTC P2231 or P2234

DTC P2232 or P2235

DTC P2237 or P2240

DTC P2243 or P2247

DTC P2251 or P2254

DTC P2270 or P2272

DTC P2271 or P2273

DTC P2297 or P2298

DTC P2626 or P2629

Oxygen Sensor Heater

DTC P0030, P0036, P0050, or P0056

DTC P0031, P0037, P0051, or P0057

DTC P0032, P0038, P0052, or P0058

DTC P0053

DTC P0059

DTC P0135 or P0155

DTC P0141 or P0161