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.
Diagnostic Trouble Code Definitions
2003 Hyundai XG350 LSECTION 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 DIAGNOSTIC TROUBLE CODE IDENTIFICATION table.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| 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 |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.