Chevrolet specific DTC OBD2 code: P1631 Theft Deterrent Start Enable Signal Not Correct
Chevrolet specific DTC OBD2 code: P1630 Theft Deterrent Learn Mode Active
Chevrolet specific DTC OBD2 code: P1629 Theft Deterrent System-Cranking Signal
Chevrolet specific DTC OBD2 code: P1628 ECT Pull-Up Resistor
Chevrolet specific DTC OBD2 code: P1627 A/D Performance
Chevrolet specific DTC OBD2 code: P1626 Theft Deterrent Fuel Enable Signal Lost
Chevrolet specific DTC OBD2 code: P1625 PCM System Reset
Chevrolet specific DTC OBD2 code: P1624 Customer Snapshot Data Available
Chevrolet specific DTC OBD2 code: P1623 Transmission Temp Pull-Up Resistor
Chevrolet specific DTC OBD2 code: P1622 Cylinder Select