Buick specific DTC OBD2 code: P1187 EOT Sensor Circuit Low Voltage
Buick specific DTC OBD2 code: P1219 Throttle Position Sensor Refernce Voltage
Buick specific DTC OBD2 code: P1153 HO2S Insufficient Switching
Buick specific DTC OBD2 code: P1188 EOT Sensor Circuit High Voltage
Buick specific DTC OBD2 code: P1220 Throttle Position (TP) Sensor 2 Circuit
Buick specific DTC OBD2 code: P1154 HO2S Transition Time Ratio
Buick specific DTC OBD2 code: P1189 Engine Oil Pressure Switch Circuit
Buick specific DTC OBD2 code: P1221 Throttle Position (TP) Sensor 1- 2 Correlation
Buick specific DTC OBD2 code: P1155 HO2S Lean Average Bank 2 Sensor 1
Buick specific DTC OBD2 code: P1190 Engine Vacuum Leak