Cadillac specific DTC OBD2 code: P1636 PCM Stack Overrun
Cadillac specific DTC OBD2 code: P1654 Service Throttle Soon Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1672 Low Engine Oil Level Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1637 Generator L-Terminal Circuit
Cadillac specific DTC OBD2 code: P1655 EVAP Purge Solenoid Control Circuit
Cadillac specific DTC OBD2 code: P1673 Engine Hot Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1638 Generator F-Terminal Circuit
Cadillac specific DTC OBD2 code: P1656 Driver 2 Line 6
Cadillac specific DTC OBD2 code: P1674 Tachometer Control Circuit
Cadillac specific DTC OBD2 code: P1623 Transmission Temp Pull-Up Resistor