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 MANUALSHYUNDAI2003SANTA FE BASE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SELF-DIAGNOSTICS - 2.4L
2003 Hyundai Santa Fe Base, Automatic
Engine Controls - Self-Diagnostics - 2.4L
2003 Hyundai Santa Fe Base, AutomaticSECTION Engine Controls - Self-Diagnostics - 2.4L
- Introduction
- Self-Diagnostic System
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Tests
- DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance
- DTC P0102: Mass Or Volume Air Flow Circuit Low Input
- DTC P0103: Mass Or Volume Air Flow Circuit High Input
- DTC P0106: Manifold Absolute Pressure Circuit Range/Performance
- DTC P0107: Manifold Absolute Pressure Circuit Low Input
- DTC P0108: Manifold Absolute Pressure Circuit High Voltage
- DTC P0112: Intake Air Temperature Sensor 1 Circuit Low Input
- DTC P0113: Intake Air Temperature Sensor 1 Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance
- DTC P0117: Engine Coolant Temperature Circuit Low Input
- DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range/Performance Problem
- DTC P0122: Throttle Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat Coolant Temp Below Thermostat Regulating Temp
- DTC P0130: Ho2S Sensor Circuit Bank 1/Sensor 1
- DTC P0131: Ho2S Sensor Circuit Low Voltage Bank 1/Sensor 1
- DTC P0132: Ho2S Sensor Circuit High Voltage Bank 1/Sensor 1
- DTC P0133: Ho2S Sensor Circuit Slow Response Bank 1/Sensor 1
- DTC P0134: Ho2S Sensor Circuit No Activity Detected Bank 1/Sensor 1
- DTC P0135: Ho2S Sensor Heater Circuit Malfunction Bank 1/Sensor 1
- DTC P0136: Ho2S Sensor Circuit Bank 1/Sensor 2
- DTC P0137: Ho2S Sensor Circuit Low Voltage Bank1/Sensor 2
- DTC P0138: Ho2S Sensor Circuit High Voltage Bank 1/Sensor 2
- DTC P0139: Ho2S Sensor Circuit Slow Response Bank 1/Sensor 2
- DTC P0140: Ho2S Sensor Circuit No Activity Detected Bank 1/Sensor 2
- DTC P0141: Ho2S Heater Circuit Malfunction Bank 1/Sensor 2
- DTC P0171: System Too Lean Bank 1
- DTC P0172: System Too Rich Bank 1
- DTC P0181: Fuel Temp Sensor A Circuit Range/Performance
- DTC P0182: Fuel Temp Sensor A Circuit Low Input
- DTC P0183: Fuel Temp Sensor A Circuit High Input
- DTC P0201: Injector Circuit/Open - Cylinder 1
- DTC P0202: Injector Circuit/Open - Cylinder 2
- DTC P0203: Injector Circuit/Open - Cylinder 3
- DTC P0204: Injector Circuit/Open - Cylinder 4
- DTC P0300: Random/Multiple Cylinder Misfire Detected
- DTC P0301: Cylinder 1 - Misfire Detected
- DTC P0302: Cylinder 2 - Misfire Detected
- DTC P0303: Cylinder 3 - Misfire Detected
- DTC P0304: Cylinder 4 - Misfire Detected
- DTC P0320: Ignition/Distributor Engine Speed Input Circuit
- DTC P0325: Knock Sensor 1 Circuit
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0350: Ignition Coil Primary/Sensor Circuit
- DTC P0401: Exhaust Gas RECIRCULATION Flow Insufficient Detected
- DTC P0403: Exhaust Gas RECIRCULATION Control Circuit
- DTC P0421: Catalyst System Efficiency Below Threshold Bank 1
- DTC P0441: EVAP Emission System Incorrect Purge Flow
- DTC P0442: EVAP Emission System - Leak Detected Small Leak
- DTC P0443: EVAP Emission CTRL System Purge Solenoid Valve Circuit Malfunction
- DTC P0446: EVAP Emission System - Canister Clogging
- DTC P0451: EVAP Emission System - Pressure Sensor Range/Performance
- DTC P0452: EVAP Emission System - Pressure Sensor Low Input
- DTC P0453: EVAP Emission System - Pressure Sensor High Input
- DTC P0455: Evaporative Emission System - Leak Detected Large Leak
- DTC P0456: EVAP Emission System - Leak Detected Very Small Leak
- DTC P0460: Fuel Level Sensor Circuit
- 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 P0506: Idle Air Control System - Rpm Lower Than Expected
- DTC P0507: Idle Air Control System - Rpm Higher Than Expected
- DTC P0551: Power Steering Pressure Sensor/Switch Circuit Range/Performance
- DTC P0560: System Voltage
- DTC P1330: Spark Timing Adjust
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.