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.
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HOMESERVICE MANUALSHYUNDAI2003XG350 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE SYSTEM
2003 Hyundai XG350 Base
Automatic Transaxle System
2003 Hyundai XG350 BaseSECTION Automatic Transaxle System
- Specifications (A/T)
- Special Tools
- Basic Inspection Item
- Troubleshooting (A/T)
- Notes
- Diagnosis Function
- Road Test
- Diagnostic Trouble Code Description
- Inspection Chart For Diagnosis Codes
- Inspection Chart For Trouble Symptoms
- Element In Use At Each Position Of Selector Lever
- Operating Element And Their Functions
- Inspection Process For Diagnostic Trouble Codes
- DTC P0712 & P0713: Oil Temperature Sensor System
- DTC P0715: Input Shaft Speed Sensor System (Pulse Generator 'A')
- DTC P0720: Output Shaft Sensor System (Pulse Generator 'B')
- DTC P0703: Stop Light Switch System
- DTC P0750, P0755, P0760 & P0765: Solenoid Valve System
- DTC P0743 & P0740: Torque Converter Clutch Solenoid System
- DTC P0731: 1st Gear Incorrect Ratio
- DTC P0732: 2nd Gear Incorrect Ratio
- DTC P0733: 3rd Gear Incorrect Ratio
- DTC P0734: 4th Gear Incorrect Ratio
- DTC P0735: 5th Gear Incorrect Ratio
- DTC P0736: Reverse Gear Incorrect Ratio
- DTC P1723: A/T Control Relay System
- Inspection Process For Trouble Symptoms
- Inspection Procedure 1
- Inspection Procedure 2
- Inspection Procedure 3
- Inspection Procedure 4
- Inspection Procedure 5
- Inspection Procedure 6
- Inspection Procedure 7
- Inspection Procedure 8
- Inspection Procedure 9
- Inspection Procedure 10
- Inspection Procedure 11
- Inspection Procedure 12
- Inspection Procedure 13
- Inspection Procedure 14
- Inspection Procedure 15
- Automatic Transaxle
- Automatic Transaxle Shift Control
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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.