Cadillac specific DTC OBD2 code: P1431 Fuel Level Sensor 2 Performance
Cadillac specific DTC OBD2 code: P1423 Intake Air High Pressure Switch Circuit High Voltage
Cadillac specific DTC OBD2 code: P1421 Intake Air Low Pressure Switch Circuit High Voltage
Cadillac specific DTC OBD2 code: P1420 Intake Air Low Pressure Switch Circuit Low Voltage
Cadillac specific DTC OBD2 code: P1418 Secondary Air Injection System Relay A Control Circuit High
Cadillac specific DTC OBD2 code: P1416 AIR System Bank 1
Cadillac specific DTC OBD2 code: P1415 Secondary Air Injection (AIR) System
Cadillac specific DTC OBD2 code: P1410 Fuel Tank Pressure System
Cadillac specific DTC OBD2 code: P1409 EGR Vacuum System Leak
Cadillac specific DTC OBD2 code: P1408 Intake Manifold Pressure Sensor Circuit