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.
Using Scan Tool
To display CCM DTCs, connect scan tool to Data Link Connector (DLC) and follow menu prompts. Current (last test failed) DTCs will be displayed on scan tool when test mode for current DTCs is entered. History DTCs will be displayed on scan tool when test mode for history DTCs is entered. Refer to scan tool operator's manual for further information on scan tool usage.
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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.