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 MANUALSHYUNDAI2002ACCENT GL, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SELF-DIAGNOSTICSSELF-DIAGNOSTIC SYSTEMDIAGNOSTIC TROUBLE CODE DEFINITIONS
2002 Hyundai Accent GL, Automatic
Diagnostic Trouble Code Definitions
2002 Hyundai Accent GL, AutomaticSECTION Diagnostic Trouble Code Definitions
See DIAGNOSTIC TROUBLE CODE IDENTIFICATION table, then go to appropriate diagnostic procedure under DIAGNOSTIC TESTS .
DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description | Component | MIL on | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P0030 | Front Heated Oxygen Sensor Heater Control Circuit | Upstream Oxygen Sensor | Yes | ||||||||||
| P0031 | Front Heated Oxygen Sensor Heater Circuit Low | Upstream Oxygen Sensor | Yes | ||||||||||
| P0032 | Front Heated Oxygen Sensor Heater Circuit High | Upstream Oxygen Sensor | Yes | ||||||||||
| P0036 | Rear Heated Oxygen Sensor Heater Control Circuit | Downstream Oxygen Sensor | Yes | ||||||||||
| P0037 | Rear Heated Oxygen Sensor Heater Circuit Low | Downstream Oxygen Sensor | Yes | ||||||||||
| P0038 | Rear Heated Oxygen Sensor Heater Circuit High | Downstream Oxygen Sensor | Yes | ||||||||||
| P0101 (1) | Mass Air Flow Sensor Circuit Range/Performance Malfunction (1.5L) | Mass Air Flow Sensor | Yes | ||||||||||
| P0102 (1) | Mass Air Flow Circuit Low Input (1.5L) | Mass Air Flow Sensor | Yes | ||||||||||
| P0103 (1) | Mass Air Flow Circuit High Input (1.5L) | Mass Air Flow Sensor | Yes | ||||||||||
| P0106 (2) | Manifold Absolute Pressure Sensor Malfunction/Rationality | Manifold Absolute Pressure Sensor | Yes | ||||||||||
| P0107 (2) | Manifold Absolute Pressure Sensor Malfunction/Range Check Low | Manifold Absolute Pressure Sensor | Yes | ||||||||||
| P0108 (2) | Manifold Absolute Pressure Sensor Malfunction/Range Check High | Manifold Absolute Pressure Sensor | Yes | ||||||||||
| P0111 | Intake Air Temperature Sensor Malfunction Rationality | Intake Air Temperature Sensor | Yes | ||||||||||
| P0112 | Intake Air Temperature Circuit Low Input | Intake Air Temperature Sensor | Yes | ||||||||||
| P0113 | Intake Air Temperature Circuit High Input | Intake Air Temperature Sensor | Yes | ||||||||||
| P0116 | Engine Coolant Temperature Sensor Circuit Range | Engine Coolant Temperature Sensor | Yes | ||||||||||
| P0117 | Engine Coolant Temperature Sensor Circuit Low Input | Engine Coolant Temperature Sensor | Yes | ||||||||||
| P0118 | Engine Coolant Temperature Sensor Circuit High Input | Engine Coolant Temperature Sensor | Yes | ||||||||||
| P0121 | Throttle Position Sensor Range (TPS Does Not Agree With MAF sensor) | Throttle Position Sensor | Yes | ||||||||||
| P0122 | Throttle Position Sensor Low Input | Throttle Position Sensor | Yes | ||||||||||
| P0123 | Throttle Position Sensor High Input | Throttle Position Sensor | Yes | ||||||||||
| P0128 (3) | Thermostat Malfunction | Thermostat | Yes | ||||||||||
| P0130 | Front Heated Oxygen Sensor Circuit Malfunction | Upstream Oxygen Sensor | Yes | ||||||||||
| P0131 | Front Heated Oxygen Sensor Circuit Low Voltage | Upstream Oxygen Sensor | Yes | ||||||||||
| P0132 | Front Heated Oxygen Sensor Circuit High Voltage | Upstream Oxygen Sensor | Yes | ||||||||||
| P0133 | Front Heated Oxygen Sensor Circuit Slow Response | Upstream Oxygen Sensor | Yes | ||||||||||
| P0134 | Front Heated Oxygen Sensor Circuit No Activity Detected | Upstream Oxygen Sensor | Yes | ||||||||||
| P0136 | Rear Heated Oxygen Sensor Range Check 2 | Downstream Oxygen Sensor | Yes | ||||||||||
| P0137 | Rear Heated Oxygen Sensor Circuit Low Voltage | Downstream Oxygen Sensor | Yes | ||||||||||
| P0138 | Rear Heated Oxygen Sensor Circuit High Voltage | Downstream Oxygen Sensor | Yes | ||||||||||
| P0140 | Rear Heated Oxygen Sensor Range Check 1 | Downstream Oxygen Sensor | Yes | ||||||||||
| P0171 | long Term Fuel Trim Additive/Multiplicative Too Lean | Fuel System | Yes | ||||||||||
| P0172 | Long Term Fuel Trim Additive/Multiplicative Too Rich | Fuel System | Yes | ||||||||||
| P0230 (3) | Fuel Pump Relay Malfunction | Fuel pump relay | Yes | ||||||||||
| P0261 | Fuel Injector No. 1 Circuit Low Input | Injector | Yes | ||||||||||
| P0262 | Fuel Injector No. 1 Circuit High Input | Injector | Yes | ||||||||||
| P0264 | Fuel Injector No. 2 Circuit Low Input | Injector | Yes | ||||||||||
| P0265 | Fuel Injector No. 2 Circuit High Input | Injector | Yes | ||||||||||
| P0267 | Fuel Injector No. 3 Circuit Low Input | Injector | Yes | ||||||||||
| P0268 | Fuel Injector No. 3 Circuit High Input | Injector | Yes | ||||||||||
| P0270 | Fuel Injector No. 4 Circuit Low Input | Injector | Yes | ||||||||||
| P0271 | Fuel Injector No. 4 Circuit High Input | Injector | Yes | ||||||||||
| P0300 (5) | Random Misfire Detected | Catalyst damage (you should repair immediately) | Yes and blinking | ||||||||||
| P0301 (5) | Cylinder No. 1 Misfire Detected | Catalyst damage (you should repair immediately) | Yes and blinking | ||||||||||
| P0302 (5) | Cylinder No. 2 Misfire Detected | Catalyst damage (you should repair immediately) | Yes and blinking | ||||||||||
| P0303 (5) | Cylinder No. 3 Misfire Detected | Catalyst damage (you should repair immediately) | Yes and blinking | ||||||||||
| P0304 (5) | Cylinder No. 4 Misfire Detected | Catalyst damage (you should repair immediately) | Yes and blinking | ||||||||||
| P0325 (4) | Knock Sensor Out Of Range | Knock sensor | No | ||||||||||
| P0335 | Crankshaft Position Sensor Malfunction | Crankshaft Position Sensor | Yes | ||||||||||
| P0336 | Crankshaft Position Sensor Range Random | Crankshaft Position Sensor | Yes | ||||||||||
| P0340 | Camshaft Position Sensor Circuit Malfunction | Camshaft Position Sensor | Yes | ||||||||||
| P0420 | Manifold Catalytic Converter Efficiency Below Threshold | Catalyst | Yes | ||||||||||
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | Evaporative Emission Control System | Yes | ||||||||||
| P0442 | Evaporative Emission ControlSystem - Small Leak | Evaporative Emission Control System | Yes | ||||||||||
| P0444 | Purge Control Solenoid Valve Circuit Open | Evaporative Emission Control System | Yes | ||||||||||
| P0445 | Purge Control Solenoid Valve Circuit Shorted | Evaporative Emission Control System | Yes | ||||||||||
| P0461 (3) | Fuel Level Circuit Range/Performance | Fuel Level Sensor | No | ||||||||||
| P0462 (3) | Fuel Level Circuit Low Input | Fuel Level Sensor | No | ||||||||||
| P0463 (3) | Fuel Level Circuit High Input | Fuel Level Sensor | No | ||||||||||
| P0501 | Vehicle Speed Sensor Range | Vehicle Speed Sensor | Yes | ||||||||||
| P0506 | Idle RPM Lower Than Expected | Idle Control Valve | Yes | ||||||||||
| P0507 | Idle RPM Higher Than Expected | Idle Control Valve | Yes | ||||||||||
| P0562 (3) | System Voltage Low | Alternator | Yes | ||||||||||
| P0563 (3) | System Voltage High | Alternator | Yes | ||||||||||
| P0605 (3) | Internal Control Module ROM Error | ECM | Yes | ||||||||||
| P1307 | Acceleration Sensor Not Rational | Acceleration Sensor | Yes | ||||||||||
| P1308 | Acceleration Sensor Signal Check Low | Acceleration Sensor | Yes | ||||||||||
| P1309 | Acceleration Sensor Signal Check High | Acceleration Sensor | Yes | ||||||||||
| P1401 (3) | Diagnostic Module-Tank Leakage/System Malfunction | DMTL | Yes | ||||||||||
| P1402 (3) | Diagnostic Module-Tank Leakage/Motor Malfunction | DMTL Motor | Yes | ||||||||||
| P1403 (3) | Diagnostic Module-Tank Leakage/Valve Malfunction | DMTL Valve | Yes | ||||||||||
| P0404 (3) | Heater Circuit Malfunction | DMTL | Yes | ||||||||||
| P1505 | Idle Speed Control Actuator Opening Coil Circuit Open | Idle Control Valve | Yes | ||||||||||
| P1506 | Idle Speed Control Actuator Opening Circuit Shorted | Idle Control Valve | Yes | ||||||||||
| P1507 | Idle Speed Control Actuator Closing Coil Circuit Open | Idle Control Valve | Yes | ||||||||||
| P1508 | Idle Speed Control Actuator Closing Circuit Shorted | Idle Control Valve | Yes | ||||||||||
| P1529 (1)(3)(4) | Transaxle Control Module Error-Invalid Massage | TCM | Yes | ||||||||||
| P1586 (1)(3)(4) | Encoding Signal Circuit Not Rational | MT/AT Encoding | Yes | ||||||||||
| P1693 | Malfunction Indicator Light Request Line Check | MIL-on Request Line | Yes | ||||||||||
| P1765 (1)(3)(4) | Torque Reduction Malfunction | TCM | No | ||||||||||
|
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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.