Pontiac specific DTC OBD2 code: P1622 Cylinder Select
Pontiac specific DTC OBD2 code: P1621 PCM Memory Performance
Pontiac specific DTC OBD2 code: P1620 Low Coolant Circuit
Pontiac specific DTC OBD2 code: P1619 Engine Oil Life Monitor Reset Circuit
Pontiac specific DTC OBD2 code: P1617 Engine Oil Level Switch Circuit
Pontiac specific DTC OBD2 code: P1615 Loss Of VTD Serial Data
Pontiac specific DTC OBD2 code: P1614 Loss Of RIM Serial Data
Pontiac specific DTC OBD2 code: P1613 Loss Of DIM Serial Data
Pontiac specific DTC OBD2 code: P1612 Loss OF IPM Serial Data
Pontiac specific DTC OBD2 code: P1611 Loss Of CVRTD Serial Data