If the PCM is unable to recognize the VIN, then it will trigger the Check Engine light and register the Error Code P0630. When PCM is replaced, it must be programmed with the odometer reading and its corresponding VIN (among other things). If a controller is swapped between cars, digits in the odometer would be far less accurate and unreliable. Vehicle mileage is also programmed to the PCM. This is because system controllers can’t be swapped from one 2003 Saturn Vue to another without the program to match your 2003 Saturn Vue. The primary reason for the VIN is to discourage 2003 Saturn Vue theft and prevent the tampering of the odometer. Other controllers can also be programmed to recognize the VIN, but the federal mandate says that PCM is programmed as such. Since the inception of the OBD-II diagnostic system, VIN has been programmed into the PCM (after being installed to your 2003 Saturn Vue ). A VIN is unique, and no two cars are assigned to a specific number. The last 6 digit at the end of the VIN provides the sequence where each 2003 Saturn Vue is produced. When Error Code P0630 is stored, that means the PCM (powertrain control module, also known as ECM or engine control module in other cars) doesn’t recognize the 17-character VIN (Vehicle Identification Number).Įach 2003 Saturn Vue produced in North America is assigned with a VIN, which is a combination of numbers and letters that denotes the manufacturer’s country, year, make, and model, including special equipment and energized size/type. Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model to another. It’s particularly common among Cummins, Dodge, Ford, Honda, Hyundai, Lotus, Ram, and Toyota models.
This code is a generic trouble code, which means it applies to all cars equipped with OBD-II system, especially those made since 1996 up to present. Error Code P0630 is defined as VIN Not Programmed or Incompatible – ECM/PCM.
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