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.
Freeze Frame
PCM stores one freeze frame for the first failed test that sets a type "A" DTC. PCM stores one freeze frame for the second failed test that sets a type "B" DTC. Recorded freeze frame data can be retrieved using a Tech 2 scan tool and selecting POWERTRAIN, DTC and CAPTURE INFO.
Most scan tools can manually record freeze frame data by technician specified triggering points. Triggering points can include a manual trigger, trigger when any DTC sets, or trigger when a specific DTC sets. See scan tool manufacturer's instructions for specific operating information.
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.