How To Perform Vehicle Identification Number (VIN) Writing: Notes

The Vehicle Identification Number (VIN) is stored in the ECM < M/T > or the PCM < A/T > by the vehicle manufacture. If the VIN to be stored in the ECM < M/T > or the PCM < A/T > is eliminated fraudulently, the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illuminates and Diagnostic Trouble Code (DTC) No. P0630 (VIN malfunction) is shown. When the ECM < M/T > or the PCM < A/T > is replaced, and entry of the VIN necessary due to DTC No. P0630 (VIN malfunction). Enter the VIN in accordance with the procedure as follows: