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.
Clearing Codes: Notes
- Diagnostic trouble codes.
- 1st trip diagnostic trouble codes.
- Freeze frame data.
- 1st trip freeze frame data.
- System readiness codes.
- Test values.
- Other values relative to specific model.
Ensure necessary freeze frame data and diagnostic trouble codes are recorded prior to clearing diagnostic information. Turning ignition off when in Mode 2 will not clear codes. Clear code procedure must be used. All diagnostic information will be erased if battery is disconnected for more than 24 hours.
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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