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 Trouble Codes
2003 Hyundai Santa Fe V6-2.7LSECTION Clearing Trouble Codes
DIAGNOSIS CODE DELETION
Automatic Deletion
All diagnosis codes are deleted from memory the 200th time the ATF temperature reaches 50°C after memorization of the most recent diagnosis code.
Forced Deletion
Memorized diagnosis codes can be deleted using the scan-tool, provided the following conditions are satisfied:
- The ignition switch is ON
- There is no detection pulse from the crank angle sensor
- There is no detection pulse from the output shaft speed sensor
- There is no detection pulse from the vehicle speed sensor
- The fail-safe function is not operational
Automatic Deletion
All diagnosis codes are deleted from memory the 200th time the ATF temperature reaches 50°C after memorization of the most recent diagnosis code.
Forced Deletion
Memorized diagnosis codes can be deleted using the scan-tool, provided the following conditions are satisfied:
- The ignition switch is ON
- There is no detection pulse from the crank angle sensor
- There is no detection pulse from the output shaft speed sensor
- There is no detection pulse from the vehicle speed sensor
- The fail-safe function is not operational
RENDER: 1.0x
NO RELATED
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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.