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.
Retrieving Codes
Connect scan tool to data link connector. See Fig 1 . Start engine. Select DIAGNOSTIC TEST MODE and press trigger. If NO CODES RECEIVED/SYSTEM PASSED is displayed, all monitored systems are okay. If DTCs are present, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION . See applicable DIAGNOSTIC TEST in appropriate TESTS W/CODES article. If LINK MONITOR ERROR is displayed, check scan tool connection. Once all repairs have been completed, go to CLEARING CODES (POST-REPAIR PROCEDURE) .
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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