Buick specific DTC OBD2 code: P1154 HO2S Transition Time Ratio
Buick specific DTC OBD2 code: P1153 HO2S Insufficient Switching
Buick specific DTC OBD2 code: P1145 HO2S Cross Counts Bank 1 Sensor 3
Buick specific DTC OBD2 code: P1144 HO2S Bank 1 Sensor 3 Rich Or High Voltage
Buick specific DTC OBD2 code: P1143 HO2S Bank 1 Sensor 3 Lean Or Low Voltage
Buick specific DTC OBD2 code: P1141 HO2S Bank 1 Sensor 2 Average Voltage Level
Buick specific DTC OBD2 code: P1140 HO2S Transition Time Ratio Bank 1 Sensor 2
Buick specific DTC OBD2 code: P1139 HO2S Insufficient Switching Bank 1 Sensor 2
Buick specific DTC OBD2 code: P1138 HO2S Bank 1 Sensor 2 Rich Or High Voltage
Buick specific DTC OBD2 code: P1137 HO2S Bank 1 Sensor 2 Lean Or Low Voltage