LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2005 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> Diagnostic Trouble Codes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Codes

Fig 1: Illustrating Diagnostic Trouble Codes (1 Of 2)
G02181449Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: Illustrating Diagnostic Trouble Codes (2 Of 2)
G02181450Courtesy of KIA MOTORS AMERICA, INC.
DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC P0030  HO2S HEATER CONTROL CIRCUIT (BANK1, SENSOR1)
DTC P0031  HO2S HEATER CIRCUIT LOW (BANK 1, SENSOR 1)
DTC P0032  HO2S HEATER CIRCUIT HIGH (BANK 1, SENSOR 1)
DTC P0036  HO2S HEATER CONTROL CIRCUIT (BANK 1, SENSOR 2)
DTC P0037  HO2S HEATER CIRCUIT LOW (BANK 1, SENSOR 2)
DTC P0038  HO2S HEATER CIRCUIT HIGH (BANK 1, SENSOR 2)
DTC P0101  MASS OR VOLUME AIR FLOW CIRCUIT RANGE PERFORMANCE PROBLEM
DTC P0102  MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT
DTC P0103  MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT
DTC P0112  INTAKE AIR TEMPERATURE CIRCUIT LOW INPUT
DTC P0113  INTAKE AIR TEMPERATURE CIRCUIT HIGH INPUT
DTC P0116  ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT RANGE PERFORMANCE PROBLEM
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 CIRCUIT MALFUNCTION (BANK 1, SENSOR 1)
DTC P0131  HO2S CIRCUIT LOW INPUT (BANK 1, SENSOR 1)
DTC P0132  HO2S CIRCUIT HIGH INPUT (BANK 1, SENSOR 1)
DTC P0133  HO2S CIRCUIT SLOW RESPONSE (BANK 1, SENSOR 1)
DTC P0134  HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 1, SENSOR 1)
DTC P0136  HO2S CIRCUIT MALFUNCTION (BANK 1, SENSOR 2)
DTC P0137  HO2S CIRCUIT LOW INPUT (BANK 1, SENSOR 2)
DTC P0138  HO2S CIRCUIT HIGH INPUT (BANK 1, SENSOR 2)
DTC P0139  HO2S CIRCUIT SLOW RESPONSE (BANK 1, SENSOR 2)
DTC P0140  HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 1, SENSOR 2)
DTC P0171  FUEL SYSTEM TOO LEAN (BANK 1)
DTC P0172  FUEL SYSTEM TOO RICH (BANK 1)
DTC P0230  FUEL PUMP CIRCUIT MALFUNCTION
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 P0325  KNOCK SENSOR CIRCUIT MALFUNCTION (BANK 1)
DTC P0335  CRANKSHAFT POSITION SENSOR CIRCUIT MALFUNCTION
DTC P0340  CAMSHAFT POSITION SENSOR CIRCUIT MALFUNCTION
DTC P0420  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 P0444  EVAP. EMISSION SYSTEM - PURGE CTRL. VALVE CIRCUIT OPEN
DTC P0445  EVAP. EMISSION SYSTEM - PURGE CTRL. VALVE CIRCUIT SHORTED
DTC P0447  EVAP. EMISSION SYSTEM - VENT CONTROL CIRCUIT OPEN
DTC P0448  EVAP. EMISSION SYSTEM - VENT CONTROL CIRCUIT SHORTED
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 P0454  EVAP. EMISSION SYSTEM - PRESSURE SENSOR INTERMITTENT
DTC P0455  EVAP. EMISSION SYSTEM - LEAK DETECTED (LARGE LEAK)
DTC P0456  EVAP. EMISSION SYSTEM - LEAK DETECTED (VERY SMALL LEAK)
DTC P0501  VEHICLE SPEED SENSOR RANGE PERFORMANCE
DTC P0506  IDLE CONTROL SYSTEM - RPM LOWER THAN EXPECTED
DTC P0507  IDLE CONTROL SYSTEM - RPM HIGHER THAN EXPECTED
DTC P0560  SYSTEM VOLTAGE MALFUNCTION
DTC P0562  SYSTEM VOLTAGE LOW
DTC P0563  SYSTEM VOLTAGE HIGH
DTC P0605  INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR
DTC P0650  MALFUNCTION INDICATOR LAMP (MIL) CONTROL CIRCUIT MALFUNCTION
DTC P1166  HO2S SYSTEM - LAMBDA CONTROLLER AT THE LIMIT (BANK 1)
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 P1529  TCU REQUEST FOR MIL ON
DTC P1586  AT/MT ENCODING ERROR
DTC P1693  MIL REQUEST CIRCUIT MALFUNCTION