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.
2011 Kia Rio BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System DTCS
ENGINE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0011 | A Camshaft Position-Timing Over-Advanced or System Performance |
| DTC P0012 | A Camshaft Position-Timing Over-Retarded |
| DTC P0016 | Crankshaft Position-Camshaft Position Correlation |
| DTC P0030 | HO2S Heater Control Circuit (Sensor 1) |
| DTC P0031 | HO2S Heater Circuit Low (Sensor1) |
| DTC P0032 | HO2S Heater Circuit High (Sensor1) |
| DTC P0036 | HO2S Heater Control Circuit (Sensor2) |
| DTC P0037 | HO2S Heater Circuit Low (Sensor2) |
| DTC P0038 | HO2S Heater Circuit High (Sensor2) |
| DTC P0068 | MAP/MAF-Throttle Position Correlation |
| DTC P0075 | Intake Valve Control Solenoid Circuit |
| DTC P0076 | Intake Valve Control Solenoid Circuit Low |
| DTC P0077 | Intake Valve Control Solenoid Circuit High |
| DTC P0106 | Manifold Absolute Pressure Barometric Pressure Circuit Range Performance |
| DTC P0107 | Manifold Absolute Pressure Barometric Pressure Circuit Low Input |
| DTC P0108 | Manifold Absolute Pressure Barometric Pressure Circuit High Input |
| DTC P0111 | Intake Air Temperature Sensor1 Circuit Range Performance |
| DTC P0112 | Intake Air Temperature Sensor1 Circuit Low Input |
| DTC P0113 | Intake Air Temperature Sensor1 Circuit High Input |
| DTC P0115 | Engine Coolant Temperature Circuit |
| 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 Pedal Position Sensor/Switch A Circuit Range Performance |
| DTC P0122 | Throttle Pedal Position Sensor/Switch A Circuit Low Input |
| DTC P0123 | Throttle/Pedal Position Sensor/Switch A Circuit High Input |
| DTC P0124 | Throttle/Pedal Position Sensor/Switch A Circuit Intermittent |
| DTC P0128 | Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) |
| DTC P0130 | O2 Sensor Circuit (Sensor1) |
| DTC P0131 | O2 Sensor Circuit Low Voltage (Sensor1) |
| DTC P0132 | O2 Sensor Circuit High Voltage (Sensor1) |
| DTC P0133 | O2 Sensor Circuit Slow Response (Sensor1) |
| DTC P0134 | O2 Sensor Circuit No Activity Detected (Sensor 1) |
| DTC P0135 | HO2S Heater Control Circuit (Sensor 1) |
| DTC P0136 | O2 Sensor Circuit (Sensor 2) |
| DTC P0137 | O2 Sensor Circuit Low Voltage (Sensor 2) |
| DTC P0138 | O2 Sensor Circuit High Voltage (Sensor 2) |
| DTC P0139 | O2 Sensor Circuit Slow Response (Sensor 2) |
| DTC P0140 | O2 Sensor Circuit No Activity Detected (Sensor 2) |
| DTC P0141 | O2 Sensor Heater Circuit (Sensor 2) |
| DTC P0171 | System Too Lean |
| DTC P0172 | System Too Rich |
| DTC P0201 | Injector Circuit/Open-Cylinder |
| DTC P0202 | Injector Circuit/Open-Cylinder 2 |
| DTC P0203 | Injector Circuit/Open-Cylinder 3 |
| DTC P0204 | Injector Circuit/Open-Cylinder 4 |
| DTC P0230 | Fuel Pump Primary Circuit |
| DTC P0231 | Fuel Pump Secondary Circuit Low |
| DTC P0232 | Fuel Pump Secondary Circuit High |
| DTC P0261 | Cylinder 1-Injector Circuit Low |
| DTC P0262 | Cylinder 1-Injector Circuit High |
| DTC P0264 | Cylinder 2-Injector Circuit Low |
| DTC P0265 | Cylinder 2-Injector Circuit High |
| DTC P0267 | Cylinder 3-Injector Circuit Low |
| DTC P0268 | Cylinder 3-Injector Circuit High |
| DTC P0270 | Cylinder 4-Injector Circuit Low |
| DTC P0271 | Cylinder 4-Injector Circuit High |
| 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 P0326 | Knock Sensor 1 Circuit Range Performance |
| DTC P0327 | Knock Sensor 1 Circuit Low Input |
| DTC P0328 | Knock Sensor 1 Circuit High Input |
| 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 | AC Refrigerant Pressure Sensor A Circuit Low Input |
| DTC P0533 | AC 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 P0625 | Generator Field/ F Terminal Circuit Low |
| DTC P0626 | Generator Field/ F Terminal Circuit High |
| DTC P0630 | VIN not Programmed or Incompactible-ECMPCM |
| DTC P0642 | Sensor Reference Voltage A Circuit Low |
| DTC P0643 | Sensor Reference Voltage A Circuit High |
| DTC P0645 | AC Clutch Relay Control Circuit |
| DTC P0646 | AC Clutch Relay Control Circuit Low |
| DTC P0647 | AC 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 P2177 | System Too Lean Off Idle |
| DTC P2178 | System Too Rich Off Idle |
| DTC P2187 | System Too Lean at Idle |
| DTC P2188 | System Too Rich at Idle |
| 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 |
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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