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.
Accessing System Readiness Tests
To access SRT using scan tool, perform the following:
- Turn ignition off.
- Perform necessary vehicle preparation and visual inspections.
- Turn ignition on or start engine.
- Select vehicle and engine selection menu (optional).
- Select NEW VEHICLE YEAR & MODEL (optional).
- Select year, engine, model and any additional information requested by scan tool.
- Follow operating instructions from scan tool menu.
- Select DIAGNOSTIC FUNCTIONS.NOTE: If all tests are not complete, SRT will automatically be displayed along with the following message: "NOT ALL SUPPORTED ON BOARD SYSTEM READINESS TESTS HAVE BEEN COMPLETED".
- Press TEST button to display SRT.
- Select ON-BOARD SYSTEM READINESS.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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