GMC specific DTC OBD2 code: P1155 HO2S Lean Average Bank 2 Sensor 1
GMC specific DTC OBD2 code: P1156 HO2S Rich Average Bank 2 Sensor 1
GMC specific DTC OBD2 code: P1157 HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
GMC specific DTC OBD2 code: P1161 HO2S Heater Power Stage Circuit Bank 2 Sensor 2
GMC specific DTC OBD2 code: P1163 HO2S Bank 2 Sensor 3 Lean System Or Low Voltage
GMC specific DTC OBD2 code: P1164 HO2S Bank 2 Sensor 3 Rich Or High Voltage
GMC specific DTC OBD2 code: P1165 HO2S Cross Counts Bank 2 Sensor 2
GMC specific DTC OBD2 code: P1170 Bank To Bank Fuel Trim Offset
GMC specific DTC OBD2 code: P1171 Fuel System Lean During Acceleration
GMC specific DTC OBD2 code: P1185 Engine Oil Temperature Circuit