Mazda specific DTC OBD2 code: P1603 Immobilizer System Fault
Mazda specific DTC OBD2 code: P1604 Immobilizer System Fault
Mazda specific DTC OBD2 code: P1605 Powertrain Control Module Keep Alive Memory Test Error
Mazda specific DTC OBD2 code: P1608 Powertrain Control Module (ECM CPU) DTC Test Fault
Mazda specific DTC OBD2 code: P1609 Powertrain Control Module (ECM CPU) Knock Sensor Circuit
Mazda specific DTC OBD2 code: P1621 Immobilizer System Fault
Mazda specific DTC OBD2 code: P1622 Immobilizer System Fault
Mazda specific DTC OBD2 code: P1623 Immobilizer System Fault
Mazda specific DTC OBD2 code: P1624 Immobilizer System Fault
Mazda specific DTC OBD2 code: P1627 Powertrain Control Module (ECM/TCS) Line Communication Error