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.