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)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 2)DIAGNOSTIC TROUBLE CODE DEFINITIONS
2003 Hyundai XG350 Base
Diagnostic Trouble Code Definitions
2003 Hyundai XG350 BaseSECTION Diagnostic Trouble Code Definitions
If scan tool displays any DTCs that are not listed, scan tool data may be faulty. Notify scan tool manufacturer of any DTCs displayed that are not included in dtc table.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC | Description |
|---|---|
| P0300 | RANDOM MULTIPLE CYLINDER MISFIRE DETECTED |
| P0301 | CYLINDER 1 - MISFIRE DETECTED |
| P0302 | CYLINDER 2 - MISFIRE DETECTED |
| P0303 | CYLINDER 3 - MISFIRE DETECTED |
| P0304 | CYLINDER 4 - MISFIRE DETECTED |
| P0305 | CYLINDER 5 - MISFIRE DETECTED |
| P0306 | CYLINDER 6 - MISFIRE DETECTED |
| P0320 | IGNITION - DISTRIBUTOR ENGINE SPEED INPUT CIRCUIT |
| P0325 | KNOCK SENSOR 1 CIRCUIT |
| P0335 | CRANKSHAFT POSITION SENSOR A CIRCUIT |
| P0340 | CAMSHAFT POSITION SENSOR A CIRCUIT |
| P0350 | IGNITION COIL PRIMARY - SECONDARY CIRCUIT |
| P0401 | EXHAUST GAS RECIRCULATION FLOW INSUFFICIENT DETECTED |
| P0403 | EXHAUST GAS RECIRCULATION CONTROL CIRCUIT |
| P0421 | WARM UP CATALYST EFFICIENCY BELOW THRESHOLD (BANK 1) |
| P0431 | WARM UP CATALYST EFFICIENCY BELOW THRESHOLD (BANK 2) |
| P0441 | EVAP EMISSION SYSTEM INCORRECT PURGE FLOW |
| P0442 | EVAP EMISSION SYSTEM - LEAK DETECTED (SMALL LEAK) |
| P0443 | EVAP EMISSION SYSTEM - PURGE CTRL. VALVE CIRCUIT |
| P0446 | EVAP EMISSION SYSTEM - VENT CONTROL CIRCUIT |
| P0451 | EVAP EMISSION SYSTEM - PRESSURE SENSOR RANGE/PERFORMANCE |
| P0452 | EVAP EMISSION SYSTEM - PRESSURE SENSOR LOW INPUT |
| P0453 | EVAP EMISSION SYSTEM - PRESSURE SENSOR HIGH INPUT |
| P0455 | EVAP EMISSION SYSTEM - LEAK DETECTED (LARGE LEAK) |
| P0456 | EVAP EMISSION SYSTEM - LEAK DETECTED (VERY SMALL LEAK) |
| P0460 | FUEL LEVEL SENSOR CIRCUIT |
| P0461 | FUEL LEVEL SENSOR A CIRCUIT RANGE/PERFORMANCE |
| P0462 | FUEL LEVEL SENSOR A CIRCUIT LOW INPUT |
| P0463 | FUEL LEVEL SENSOR A CIRCUIT HIGH INPUT |
| P0506 | IDLE AIR CONTROL SYSTEM - RPM LOWER THAN EXPECTED |
| P0507 | IDLE AIR CONTROL SYSTEM - RPM HIGHER THAN EXPECTED |
| P0510 | CLOSED THROTTLE POSITION SWITCH |
| P0551 | POWER STEERING PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE |
| P0560 | SYSTEM VOLTAGE |
| P1110/P1171 | THROTTLE ACTUATOR CONTROL SYSTEM - STUCK OPEN |
| P1110/P1172 | IMPROPER MOTOR CURRENT - ETS |
| P1110/P1173 | IMPROPER MOTOR VOLTAGE - ETS |
| P1110/P1174 | THROTTLE ACTUATOR CONTROL SYSTEM - STUCK CLOSED |
| P1110/P1175 | THROTTLE ACTUATOR CONTROL SYSTEM - STUCK CLOSED |
| P1118/P1176 | THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW |
| P1118/P1177 | THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH |
| P1118/P1178 | ETS RELAY - MAL |
| P1155 | LIMP HOME VALVE - MAL |
| P1159 | VARIABLE INTAKE MOTOR ROTATION SNS |
| P1192 | ETS LIMP HOME - TARGET FOLLOWING MALFUNCTION |
| P1193 | ETS LIMP HOME - LOW RPM |
| P1194 | ETS LIMP HOME - TPS2 MALFUNCTION |
| P1195 | ETS LIMP HOME - TARGET FOLLOWING DELAY |
| P1196 | ETS LIMP HOME - CLOSED THROTTLE STUCK |
| P1330 | SPARK TIMING ADJUST |
| P1607 | ECM - ETS COMMUNICATION LINE - MALFUNCTION (EMS-ETS) |
| P1608 | ECM - ETS COMMUNICATION LINE - MALFUNCTION (ETS-EMS) |
| P1613 | COMPUTER COMMUNICATION EMS-ETS MALFUNCTION |
| P1614 | ETS ECU - MALFUNCTION (EEPROM R/W) |
| P1615 | COMPUTER COMMUNICATION ETS-EMS MALFUNCTION |
| P2120 | ACCELERATION POSITION SENSOR 1 CIRCUIT |
| P2122 | ACCELERATION POSITION SENSOR 1 CIRCUIT LOW INPUT |
| P2123 | ACCELERATION POSITION SENSOR 1 CIRCUIT HIGH INPUT |
| P2125 | ACCELERATION POSITION SENSOR 2 CIRCUIT |
| P2127 | ACCELERATION POSITION SENSOR 2 CIRCUIT LOW INPUT |
| P2128 | ACCELERATION POSITION SENSOR 2 CIRCUIT HIGH INPUT |
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.