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
- 8-Digit GM Part Number
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The scan tool displays the module GM part number.
- Calibration ID
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The scan tool displays the calibration ID for the module.
- Ignition Cycles Since Last
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The scan tool displays the number of ignition cycles since the last DTC was set.
- Julian Date of Build
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The scan tool displays the module date of build in total calendar days.
- New VIN Counter
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The scan tool displays 0-99. The number of times the radio has been in different vehicles.
- Point of Sale
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The scan tool displays the country the vehicle was sold in.
- PROM ID for Audio
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The scan tool displays the module PROM ID.
- PROM ID for Navigation
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The scan tool displays the module PROM ID.
- Region Code
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The scan tool displays the region the radio is set for.
- Signal Strength for TV
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The scan tool displays 0-255 decibels. The strength of the tuned TV station.
- Total CD Hours
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The scan tool displays 0-999 hrs. The total number of hours the CD has been used.
- Total Radio Hours
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The scan tool displays 0-999 hrs. The total number of hours the radio has been used.
- Year Model Built
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The scan tool displays the module year built.
NO RELATED
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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.