Cadillac specific DTC OBD2 code: P1667 Reverse Inhibit Solenoid Control Circuit
Cadillac specific DTC OBD2 code: P1666 Driver 3 Line 6
Cadillac specific DTC OBD2 code: P1665 Driver 3 Line 5
Cadillac specific DTC OBD2 code: P1664 1-4 Upshift Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1663 Oil Life Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1662 Cruise Control Inhibit Control Circuit
Cadillac specific DTC OBD2 code: P1661 MIL Control Circuit
Cadillac specific DTC OBD2 code: P1660 Cooling Fans Control Circuit
Cadillac specific DTC OBD2 code: P1658 Starter Enable Relay Control Circuit
Cadillac specific DTC OBD2 code: P1657 1-4 Upshift Solenoid Control Circuit