FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

General Information





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 reflashing a ECM.

DTC Description

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

DTC Detecting Condition





Schematic Diagram