Advanced Diagnostics

Advanced Diagnostics

DTC P0630: VIN Not Programmed or Mismatch






General Description
The engine control module (ECM)/powertrain control module (PCM) stores a vehicle identification number (VIN) in the keep alive memory and outputs the VIN according to the command from the HDS. The VIN for each vehicle is registered to the ECM/PCM using the HDS. The registered VIN is read by the CPU from the keep-alive memory after the ignition switch is turned to ON (II) or after the Clear command is executed. If the VIN is not registered in the keep alive memory when the ignition switch is turned to ON (II) or when the Clear command is executed, it is detected as a VIN unregistered condition and a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status






Enable Conditions






Malfunction Threshold
The VIN is not registered in the keep-alive memory in the ECM/PCM.

Diagnosis Details

Conditions for illuminating the MIL
When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the ECM/PCM memory.

Conditions for clearing the MIL
When the VIN registration is completed, MIL is cleared.