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.
Removal & Installation
2003 Hyundai XG350 BaseSECTION Removal & Installation
- Using scan tool, retrieve and record all Diagnostic Trouble Codes (DTCs). Ensure ignition switch is in OFF position. Disconnect negative battery cable.
- Locate PCM. See LOCATING POWERTRAIN CONTROL MODULE (PCM) . Disconnect PCM harness connector. Remove PCM mounting screws or clips. Remove PCM.
- To install, reverse removal procedure. Ensure all harness and cable connections are clean and tight.
LOCATING POWERTRAIN CONTROL MODULE (PCM)
| Application | PCM Location |
|---|---|
| Santa Fe (2.4L) | Under Center Of Dash |
| Sonata (2.4L) | Behind Lower Center Of Dash |
| XG350 | Behind Center Of Dash |
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.