Cadillac specific DTC OBD2 code: P1656 Driver 2 Line 6
Cadillac specific DTC OBD2 code: P1655 EVAP Purge Solenoid Control Circuit
Cadillac specific DTC OBD2 code: P1654 Service Throttle Soon Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1653 Oil Level Lamp Control Circuit
Cadillac specific DTC OBD2 code: P1652 Powertrain Induced Chassis Pitch Output Circuit
Cadillac specific DTC OBD2 code: P1651 Fan 1 Relay Control Circuit
Cadillac specific DTC OBD2 code: P1650 Driver 2-Input High Voltage
Cadillac specific DTC OBD2 code: P1647 Driver 1 Line 7
Cadillac specific DTC OBD2 code: P1646 Driver 1 Line 6
Cadillac specific DTC OBD2 code: P1645 EVAP Solenoid Output Circuit