Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Scan Tool Data Definitions
GPS Information - Second: Gives second of current time as transmitted by GPS satellites.
GPS Information - Minute: Gives current minute as transmitted by GPS satellites.
GPS Information - Hour: Gives hour of current time as transmitted by GPS satellites.
GPS Information - Day: Gives current day as transmitted by GPS satellites
GPS Information - Month: Gives current month as transmitted by GPS satellites.
GPS Information - Year: Gives current year as transmitted by GPS satellites.
GPS Information - Latitude: Gives current position (N/S) in degrees as calculated from GPS satellite information.
GPS Information - Longitude: Gives current position (E/W) in degrees as calculated from GPS satellite information.
Module Information - Component Serial #8-11: This is the first partition of the serial number.
Module Information - Component Serial #12: This is the second partition of the serial number.
Module Information - Component Serial #13-16: This is the third partition of the serial number.
Module Information - Component Serial #17-18: This is the last partition of the serial number.
Module Information - 3 Watt Transmitter ID: This displays the part number for the transmitter.
Module Information - 8-Digit GM Part
Number: This displays the part number for the VIU.
Module Information - Julian Date Of Build: This displays the day of the year the module was built.
Module Information - Master Flash ROM ID: This displays the calibration or program revision level used in the Master ROM.
Module Information - PROM ID: This displays the 4-digit number of the PROM incorporated into the driver door module (DDM).
Module Information - Year Module Built: This displays the 4-digit year of build.
Module Information 2 - Electronic Serial Number: This displays the 6-8 digit numeric order in which the module was built.
Module Information 2 - VIU Station ID: This displays an alpha-numeric ID of the VIU manufacturing station.
Slave Flash ROM ID: This displays the calibration or program revision level used in the Slave ROM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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