Cadillac specific DTC OBD2 code: P1634 Ignition 1 Power Circuit Low Voltage
Cadillac specific DTC OBD2 code: P1633 Ignition Supply Power Circuit Low Voltage
Cadillac specific DTC OBD2 code: P1632 Theft Deterrent System-Fuel Disabled
Cadillac specific DTC OBD2 code: P1631 Theft Deterrent Start Enable Signal Not Correct
Cadillac specific DTC OBD2 code: P1630 Theft Deterrent Learn Mode Active
Cadillac specific DTC OBD2 code: P1629 Theft Deterrent System-Cranking Signal
Cadillac specific DTC OBD2 code: P1628 ECT Pull-Up Resistor
Cadillac specific DTC OBD2 code: P1627 A/D Performance
Cadillac specific DTC OBD2 code: P1626 Theft Deterrent Fuel Enable Signal Lost
Cadillac specific DTC OBD2 code: P1625 PCM System Reset