P0630

DTC P0630 VIN NOT PROGRAMMED OR INCOMPACTIBLE-ECM/PCM

Component Location:

GENERAL DESCRIPTION
Regulations require that all 2005 and subsequent model year vehicles shall have the Vehicle Identification Number(VIN) available in a standardized format through the standardized data link connector in accordance with SAE J1979 specifications. Using a scan tool, PERFORM "VIN WRITING" procedure after replacing or flashing a PCM.

DTC DESCRIPTION
The PCM monitors ROM areas and sets DTC P0630 if there is no Vehicle Identification Number(VIN) information.

DTC Detecting Condition:

MONITOR DTC STATUS
1. Connect scan tool and select "Diagnostic Trouble Codes(DTCs)" mode.
2. Press F4(DTAL) to select DTC information from the DTCs menu.
3. Confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions
4. Read "DTC Status" parameter.






5. Is parameter displayed "History(Not Present) fault"?

NOTE:
- History (Not Present) fault: OTC occurred but has been cleared.
- Present fault: DTC is occuring at present time.

YES: Fault is intermittent caused by poor contact in the sensor's and/or the PCM's connector, which was repaired but PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure

NO: Go to "System Inspection" procedure

SYSTEM INSPECTION
1. Was the PCM just replaced or reflashed?

YES: Using a scan tool, perform "VIN WRITING" procedure. Refer to the latest Reference manual for scan tool and go to "Verification of Vehicle Repair" procedure

NO:
- Using a scan tool, read VIN information.
If there is no proper VIN information, perform "VIN WRITING" procedure.
If VIN information exists, substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM.
And go to "Verification of Vehicle Repair" procedure.

VERIFICATION OF VEHICLE REPAIR
After a repair, it is essential to verify that the fault has been corrected.

1. Connect scan tool and select "Diagnostic Trouble Codes(DTCs)" mode.
2. Press F4(DTAL) and confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
3. Read "DTC Status" parameter.
4. Is parameter displayed "History(Not Present) fault"?

YES: System performing to specification at this time. Clear the DTC

NO: Go to the applicable troubleshooting procedure.