Pontiac specific DTC OBD2 code: P1421 Intake Air Low Pressure Switch Circuit High Voltage
Pontiac specific DTC OBD2 code: P1420 Intake Air Low Pressure Switch Circuit Low Voltage
Pontiac specific DTC OBD2 code: P1418 Secondary Air Injection System Relay A Control Circuit High
Pontiac specific DTC OBD2 code: P1416 AIR System Bank 1
Pontiac specific DTC OBD2 code: P1415 Secondary Air Injection (AIR) System
Pontiac specific DTC OBD2 code: P1410 Fuel Tank Pressure System
Pontiac specific DTC OBD2 code: P1409 EGR Vacuum System Leak
Pontiac specific DTC OBD2 code: P1408 Intake Manifold Pressure Sensor Circuit
Pontiac specific DTC OBD2 code: P1407 EGR Air Intrusion In Exhaust Supply To EGR Valve
Pontiac specific DTC OBD2 code: P1406 EGR Valve Pintle Position Circuit