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.
2002 Hyundai Accent GL, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- On Board Diagnostics-II
- Malfunction Indicator Light
- Service Precautions
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- Freeze Frame Data
- Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Definitions
- After-Repair Procedure
- Readiness Drive Cycle
- ECM Location & ECM Connector Identification
- Intermittent Diagnostic Trouble Codes
- Diagnostic Tests
- Notes
- DTC P0101, DTC P0102 & DTC P0103 (1.5L Engine)
- DTC P0106, DTC P0107 & DTC P0108 (1.6L Engine)
- DTC P0111, DTC P0112 & DTC P0113
- DTC P0116, DTC P0117 & DTC P0118
- DTC P0121, DTC P0122 & DTC P0123
- DTC P0128: Thermostat Malfunction
- DTC P0130, DTC P0136 & DTC P0140
- DTC P0131 & DTC P0137
- DTC P0132 & DTC P0138
- DTC P0133 & DTC P0134
- DTC P0030, DTC P0031, DTC P0032, DTC P0036, DTC P0037 & DTC P0038
- DTC P0171 & DTC P0172
- DTC P0230: Fuel Pump Relay Malfunction
- DTC P0261, DTC P0262, DTC P0264, DTC P0265, DTC P0267, DTC P0268, DTC P0270 &/Or DTC P0271
- DTC P0300: Random Misfire Detected
- DTC P0301, DTC P0302, DTC P0303 & DTC P0304
- DTC P0325: Knock Sensor Circuit Out Of Range
- DTC P0335 & DTC P0336
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0420: Manifold Catalytic Converter Efficiency Below Threshold
- DTC P0441: Evaporative Emissions Control System Incorrect Purge Flow
- DTC P0442: Evaporative Emissions Control System - Small Leak
- DTC P0444 & DTC P0445
- DTC P0461, DTC P0462 & DTC P0463
- DTC P0501: Vehicle Speed Sensor Range
- DTC P0506 & DTC P0507
- DTC P0562 & DTC P0563
- DTC P0605: Internal Control Module ROM Error
- DTC P1307, DTC P1308 & DTC P1309
- DTC P1401, DTC P1402, DTC P1403 & DTC P0404
- DTC P1505 & DTC P1507
- DTC P1506 & DTC P1508
- DTC P1529 & DTC P1765
- DTC P1586: Encoding Signal Circuit Not Rational
- DTC P1693: Malfunction Indicator Light Request Line Check
Factory Service Tools
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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.
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