The Service Parts Identification (SPID) label, often located in the trunk or glovebox of a vehicle, lists a vehicle’s VIN, RPO codes and other information that identify the content of the vehicle. Beginning with the 2018 model year, much of this information will be available through a QR code on the Certification label (Fig. 1) on all Buick, Cadillac, Chevrolet and GMC models.
The change will be phased in over the next several months.

The two-dimensional QR code is a simple barcode that offers the former SPID information in a digital format.
The Certification label on all GM models is located on the driver-side B pillar, with the exception of the Corvette where it’s on the driver’s door.

QR Code

Software to read the QR code is commonly available for any Android, iPhone or Windows smartphone.
Many basic applications can be downloaded for free
. Tested QR code readers that are easy to use include NeoReader by NM LLC, i-nigma by 3GVision, QR Scanner by Honestly App, QR Droid by DroidLa and Bar-Code by PW2. GM does not recommended any particular software.

Once the QR code is scanned, the vehicle information will appear in the following order:
VIN, Model Year, Model, Build Month, Year, Engineering Book, Vehicle Order Number, 3 Digit RPO Codes sorted alphanumerically, and the Paint Code (same code appears in the lower left of the QR code).

For example, here’s the information as shown from a scanned QR code:

1GNKVGKD1HJ263691,2017,CV14526,03,16,17,TSNWHZ, AG5 AH5 AR9 AXP AYQ C67 DLT DS3 EF7 FE2 GZW IPC I17 JL9 LLT MAH M7X NP5 NT7 QD6 QLW TB4 UI2 UQF U2K V8D WMH X88 1LT 17U 5PK 6AB 7AB 8UM 83C 83I 9UM,636R, ,

The RPO codes are bolded above, but not in the actual information.
The codes are separated by a space. Up to 48 RPO codes may be displayed.
RPO descriptions can be found in the appropriate Service Information under General Information.

If the vehicle information needs to be retained for service records or shared with others, most scanner software also has a selection to email the data. (Fig. 2)