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
The SIR scan tool data definitions contain a brief description of all SIR related parameters available on the scan tool. The parameters that are available on the scan tool are listed below in alphabetical order.
- 8-Digit GM Part Number
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The scan tool displays an 8-digit part number. This number is the GM part number that is stored within the sensing and diagnostic module (SDM) memory.
- Ignition Cycle Counter
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The scan tool displays the number of ignition cycles.
- Julian Date of Build
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The scan tool displays a 3-digit number. This number represents the day of the year the module was built.
- PROM ID
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The scan tool displays a 4-digit number. This number is the programmable read-only memory (PROM) ID.
- SDM Operating Time
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The scan tool displays the SDM operating time in minutes.
- Warning Lamp Cycles
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The scan tool displays the number of warning lamp cycles.
- Year Module Built
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The scan tool displays what year the module was 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.