Buick specific DTC OBD2 code: P1201 (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance
Buick specific DTC OBD2 code: P1200 Injector Control Circuit
Buick specific DTC OBD2 code: P1191 Intake Air Duct Air Leak
Buick specific DTC OBD2 code: P1190 Engine Vacuum Leak
Buick specific DTC OBD2 code: P1189 Engine Oil Pressure Switch Circuit
Buick specific DTC OBD2 code: P1188 EOT Sensor Circuit High Voltage
Buick specific DTC OBD2 code: P1187 EOT Sensor Circuit Low Voltage
Buick specific DTC OBD2 code: P1186 EOT Circuit Performance
Buick specific DTC OBD2 code: P1185 Engine Oil Temperature Circuit
Buick specific DTC OBD2 code: P1171 Fuel System Lean During Acceleration