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)QUICK LOOKUPSDTC INDEXENGINE PERFORMANCE DTCS
2003 Hyundai XG350 Base
Engine Performance DTCS
2003 Hyundai XG350 BaseSECTION Engine Performance DTCS
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| P0101 | MASS AIR FLOW CIRCUIT RANGE/PERFORMANCE |
| P0102 | MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT |
| P0103 | MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT |
| P0106 | MANIFOLD ABSOLUTE PRESSURE CIRCUIT RANGE/PERFORMANCE |
| P0107 | MANIFOLD ABSOLUTE PRESSURE CIRCUIT LOW INPUT |
| P0108 | MANIFOLD ABSOLUTE PRESSURE CIRCUIT HIGH INPUT |
| P0112 | INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT LOW INPUT |
| P0113 | INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT HIGH INPUT |
| P0116 | ENGINE COOLANT TEMPERATURE CIRCUIT RANGE PERFORMANCE PROBLEM |
| P0117 | ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT |
| P0118 | ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT |
| P0120 | THROTTLE PEDAL POSITION SENSOR A CIRCUIT |
| P0121 | THROTTLE PEDAL POSITION SENSOR A CIRCUIT RANGE/PERFORMANCE |
| P0122 | THROTTLE PEDAL POSITION SENSOR A CIRCUIT LOW INPUT |
| P0123 | THROTTLE PEDAL POSITION SENSOR A CIRCUIT HIGH INPUT |
| P0125 | INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL |
| P0128 | COOLANT THERMOSTAT STUCK OPENED |
| P0130 | HO2S CIRCUIT (BANK 1 - SENSOR 1) |
| P0131 | HO2S CIRCUIT LOW VOLTAGE (BANK 1 - SENSOR 1) |
| P0132 | HO2S CIRCUIT HIGH VOLTAGE (BANK 1 - SENSOR 1) |
| P0133 | HO2S CIRCUIT SLOW RESPONSE (BANK 1 - SENSOR 1) |
| P0134 | HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 1 - SENSOR 1) |
| P0135 | HO2S HEATER OPEN/SHORT (BANK 1 - SENSOR 1) |
| P0136 | HO2S CIRCUIT (BANK 1 - SENSOR 2) |
| P0137 | HO2S CIRCUIT LOW VOLTAGE (BANK 1 - SENSOR 2) |
| P0138 | HO2S CIRCUIT HIGH VOLTAGE (BANK 1 - SENSOR 2) |
| P0139 | HO2S CIRCUIT SLOW RESPONSE (BANK 1 - SENSOR 2) |
| P0140 | HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 1 - SENSOR 2) |
| P0141 | HO2S HEATER OPEN/SHORT (BANK 1 - SENSOR 2) |
| P0150 | HO2S CIRCUIT (BANK 2 - SENSOR 1) |
| P0151 | HO2S CIRCUIT LOW VOLTAGE (BANK 2 - SENSOR 1) |
| P0152 | HO2S CIRCUIT HIGH VOLTAGE (BANK 2 - SENSOR 1) |
| P0153 | HO2S CIRCUIT SLOW RESPONSE (BANK 2 - SENSOR 1) |
| P0154 | HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 2 - SENSOR 1) |
| P0155 | HO2S HEATER OPEN/SHORT (BANK 2 - SENSOR 1) |
| P0156 | HO2S CIRCUIT (BANK 2 - SENSOR 2) |
| P0157 | HO2S CIRCUIT LOW VOLTAGE (BANK 2 - SENSOR 2) |
| P0158 | HO2S CIRCUIT HIGH VOLTAGE (BANK 2 - SENSOR 2) |
| P0159 | HO2S CIRCUIT SLOW RESPONSE (BANK 2 - SENSOR 2) |
| P0160 | HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 2 - SENSOR 2) |
| P0161 | HO2S HEATER OPEN/SHORT (BANK 2 - SENSOR 2) |
| P0171 | SYSTEM TOO LEAN (BANK 1) |
| P0172 | SYSTEM TOO RICH (BANK 1) |
| P0174 | SYSTEM TOO LEAN (BANK 2) |
| P0175 | SYSTEM TOO RICH (BANK 2) |
| P0181 | FUEL TEMP SENSOR A CIRCUIT RANGE/PERFORMANCE |
| P0182 | FUEL TEMP SENSOR A CIRCUIT LOW INPUT |
| P0183 | FUEL TEMP SENSOR A CIRCUIT HIGH INPUT |
| P0201 | INJECTOR CIRCUIT OPEN - CYLINDER 1 |
| P0202 | INJECTOR CIRCUIT OPEN - CYLINDER 2 |
| P0203 | INJECTOR CIRCUIT OPEN - CYLINDER 3 |
| P0204 | INJECTOR CIRCUIT OPEN - CYLINDER 4 |
| P0205 | INJECTOR CIRCUIT OPEN - CYLINDER 5 |
| P0206 | INJECTOR CIRCUIT OPEN - CYLINDER 6 |
| P0220 | THROTTLE PEDAL POSITION SENSOR B CIRCUIT |
| P0222 | THROTTLE POSITION SENSOR B CIRCUIT LOW INPUT |
| P0223 | THROTTLE POSITION SENSOR B CIRCUIT HIGH INPUT |
| P0224 | THROTTLE POSITION SENSOR B LINEARITY |
| 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.