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 MANUALSHYUNDAI2011ACCENT GLS, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 2)
2011 Hyundai Accent GLS, Automatic
Engine Control System Diagnosis (2 Of 2)
2011 Hyundai Accent GLS, AutomaticSECTION Engine Control System Diagnosis (2 Of 2)
- DTC Index
- DTC P0335: Crankshaft Position Sensor A Circuit
- DTC P0336: Crankshaft Position Sensor A Circuit Range/Performance
- DTC P0337: Crankshaft Position Sensor A Circuit Low Input
- DTC P0338: Crankshaft Position Sensor A Circuit High Input
- DTC P0339: Crankshaft Position Sensor A Circuit
- DTC P0340: Camshaft Position Sensor A Circuit Malfunction (Single Sensor)
- DTC P0341: Camshaft Position Sensor A Circuit Range/Performance (Single Sensor)
- DTC P0342: Camshaft Position Sensor A Circuit Low Input
- DTC P0343: Camshaft Position Sensor A Circuit High Input
- DTC P0420: Catalyst System Efficiency below Threshold (Bank1)
- DTC P0442: Evaporative Emission System Leak Detected (small leak)
- DTC P0444: Evaporative Emission System Purge Control Valve Circuit Open
- DTC P0446: Evaporative Emission System Vent Control Circuit
- DTC P0449: Evaporative Emission System Vent Valve/Solenoid Circuit
- DTC P0450: Evaporative Emission System Pressure Sensor/Switch
- DTC P0451: Evaporative Emission System Pressure Sensor/Switch Range/Performance
- DTC P0452: Evaporative Emission System Pressure Sensor/Switch Low Input
- DTC P0453: Evaporative Emission System Pressure Sensor/Switch High Input
- DTC P0455: Evaporative Emission System-Leak detected (Large leak)
- DTC P0456: Evaporative Emission System-Leak detected (very small leak)
- DTC P0457: Evaporative Emission System Leak detected (tank cap loose/off)
- DTC P0458: Evaporative Emission System Purge Control Valve Circuit Low
- DTC P0459: Evaporative Emission System Purge Control Valve Circuit High
- DTC P0461: Fuel Level/Sensor A Circuit Range/Performance
- DTC P0462: Fuel Level/Sensor A Circuit Low Input
- DTC P0463: Fuel Level/Sensor A Circuit High Input
- DTC P0496: Evaporative Emission System High Purge Flow
- DTC P0497: Evaporative Emission System Low Purge Flow
- DTC P0498: Evaporative Emission System Vent Valve Control Circuit Low
- DTC P0499: Evaporative Emission System Vent Valve Control Circuit High
- DTC P0501: Vehicle Speed Sensor A Range/Performance
- DTC P0505: Idle Air Control System
- DTC P0506: Idle Air Control System - RPM lower than expected
- DTC P0507: Idle Air Control System - RPM higher than expected
- DTC P0532: A/C Refrigerant Pressure Sensor A Circuit Low Input
- DTC P0533: A/C Refrigerant Pressure Sensor A Circuit High Input
- DTC P0560: System Voltage
- DTC P0561: System Voltage Unstable
- DTC P0562: System Voltage Low
- DTC P0563: System Voltage High
- DTC P0605: Internal Control Module Read Only Memory (ROM) Error
- DTC P0624: Fuel Cap Lamp Control Circuit
- DTC P0630: VIN not Programmed or Incompatible - ECM/PCM
- DTC P0642: Sensor Reference Voltage A Circuit Low
- DTC P0643: Sensor Reference Voltage A Circuit High
- DTC P0645: A/C Clutch Relay Control Circuit
- DTC P0646: A/C Clutch Relay Control Circuit Low
- DTC P0647: A/C Clutch Relay Control Circuit high
- DTC P0650: Malfunction Indicator Lamp (MIL) Control Circuit
- DTC P0700: Transmission Control System (MIL Request)
- DTC P1505: Idle Charge Actuator Signal Low of Coil #1
- DTC P1506: Idle Charge Actuator Signal High of Coil #1
- DTC P1507: Idle Charge Actuator Signal Low of Coil #2
- DTC P1508: Idle Charge Actuator Signal High of Coil #2
- DTC P1550: Knock sensor evaluation IC
- DTC P1560: Knock control SPI check
- DTC P2096: Post Catalyst Fuel Trim System Too Lean
- DTC P2097: Post Catalyst Fuel Trim System Too Rich
- DTC P2226: Barometric Pressure Circuit
- DTC P2227: Barometric Pressure Circuit Range/Performance
- DTC P2228: Barometric Pressure Circuit Low Input
- DTC P2229: Barometric Pressure Circuit High Input
- DTC P2232: O2 Sensor Signal Circuit Shorted to Heater Circuit (Sensor 2)
- DTC U0001: CAN Communication Malfunction
- DTC U0101: ECM - TCM CAN Error
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.