For 1990-2009 cars

PARAMETER | DISPLAY | DESCRIPTION
--- | --- | ---
Calibration ID | xxxx | The SDM's calibration identification number.
Component Serial Number | xxxx | The SDM's serial number.
Julian Date of Build | xxx | Day of the year SDM was built, 0-365.
PROM ID | xxxx | Programmable read only memory identification number.
Year Module Built | xxxx | Year SDM was built.
8 Digit GM Part Number | xxxxxxxx | SDM production or service part number.