Symptoms of P0630 OBD II Trouble Code
- No start condition
- Vehicle security system may be activated
- Other diagnostic codes will likely be stored
Common Causes of P0630 OBD II Trouble Code
- ECM/PCM programming error
- ECM/PCM swapped between vehicles or replaced without being properly programmed
- ECM/PCM failure
Severity of P0630 OBD II Trouble Code
Since the ECM/PCM is not likely to function without VIN recognition, a stored code P0630 should be categorized as severe.