Kia_Sephia_Rio_Spectra_Optima_1998-2006

TroubleCodes (122 of 130)

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2.7L V6 VIN 8 Auto



Trouble Code: P0401

Insufficient EGR System Flow Detected

Trouble Code Conditions: Engine started, engine speed from 1000-2000 rpm, ECT sensor more than 176ºF, closed throttle position switch indicating "on", EGR solenoid commanded open for 2 seconds, and the PCM detected too small an amount of change in EGR flow during the EGR test.

Possible Causes:



EGR valve or EGR differential pressure sensor is damaged
 
EGR solenoid valve is damaged or has failed
 
MAP sensor is damaged or out of calibration
 
Leaks or restrictions in these EGR components:
 

Trouble Code: P0403

EGR Solenoid Circuit Malfunction

Trouble Code Conditions: Engine started, system voltage more than 10.0 volts, and the PCM did not detect any solenoid surge voltage (system voltage +2 volts) when the EGR solenoid was cycled from "on" to "off" during the CCM test.

Possible Causes:



EGR solenoid control circuit open or shorted to ground
 
EGR solenoid control circuit shorted to VREF or system power
 
EGR solenoid is damaged or has failed
 
PCM has failed (the EGR solenoid driver may be open/shorted)
 

Trouble Code: P0420

Catalyst Efficiency Below Normal (Bank 1)

Trouble Code Conditions: DTC P0130, P0133, P0134, P0135, P0136, P0139, P0140 and P0141 not set, engine started, engine running in closed loop at a speed of 45-60 mph for 2-3 minutes, and the PCM detected that the rear HO2S and front HO2S voltage amplitudes were too similar.

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0421

Main Catalyst Efficiency Deterioration (Bank 1)

Trouble Code Conditions: DTC P0136, P0139 and P0140 not set, engine running at 3000 rpm or high in closed loop at 45-60 mph for 140 seconds, and the PCM detected the rear HO2S and front HO2S signals were too similar.

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or rear HO2S heater is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0430

Catalyst Efficiency Below Normal (Bank 2)

Trouble Code Conditions: DTC P0150, P0153, P0154, P0155, P0156, P0160 and P0161 not set, engine started, engine running in closed loop at 45-60 mph for 2-3 minutes, and the PCM detected the rear HO2S and front HO2S voltage amplitudes were too similar during the Catalyst Monitor test.

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or rear HO2S heater is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0431

Main Catalyst Efficiency Deterioration (Bank 2)

Trouble Code Conditions: DTC P0150, P0154, P0159, P0158, P0160 and P0161 not set, engine started, engine running at 3000 rpm or high in closed loop at 45-60 mph for 140 seconds, and the PCM detected the rear HO2S and front HO2S signals were too similar in the Catalyst Monitor test.

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or rear HO2S heater is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0441

EVAP System Malfunction

Trouble Code Conditions: ECT sensor signal less than158°F at startup, IAT sensor signal more than 9.05°F, system voltage more than 10.9 volts engine runtime 15-20 minutes at cruise speed, then returned to idle speed, VSS indicating 0 mph, load value 2.2 ms, canister load factor less than 4.0, fuel tank pressure less than 0.5" Hg, then after the Idle Control system and Fuel Trim stabilized, the PCM detected a continuous purge condition in the EVAP system during the Purge flow test.

Possible Causes:



Small hoses or cuts present in the EVAP vapor hoses/lines
 
EVAP canister purge solenoid is damaged or is stuck open
 
PCM has failed
 

Trouble Code: P0442

EVAP System Small Leak (0.040") Detected

Trouble Code Conditions: ECT sensor signal less than158°F at startup, IAT sensor signal more than 9.05°F, system voltage more than 10.9 volts engine runtime 15-20 minutes at cruise speed, then returned to idle speed, VSS indicating 0 mph, load value 2.2 ms, canister load factor less than 4.0, fuel tank pressure less than 0.5" Hg, then after the Idle Control system and Fuel Trim had stabilized, the PCM detected a fuel vapor leak (as small as 0.040") in the EVAP system during the EVAP Leak Test.

Possible Causes:



Fuel filler cap damaged, cross-threaded or loosely installed
 
Small leaks or cuts present in the EVAP vapor hoses/lines
 
EVAP purge valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0444

EVAP Emission System- Purge Control Valve Circuit Open

Trouble Code Conditions: Engine running. Checking output signals from PCSV every 10 seconds, under detecting condition.

Possible Causes:



Poor connection
 
Open or short to ground in harness
 
PCVS
 
PCM
 

Trouble Code: P0445

EVAP Emission System- Purge Control Valve Circuit Shorted

Trouble Code Conditions: Engine running. Checking output signals from PCSV every 10 seconds, under detecting condition.

Possible Causes:



Poor connection
 
Short to battery in harness
 
PCVS
 
PCM
 

Trouble Code: P0447

EVAP Emission System- Vent Control Circuit Open

Trouble Code Conditions: Detects a short to ground or open circuit on vent valve output circuit. No disabling faults present. Engine running.

Possible Causes:



Poor connection
 
Open or short in power circuit
 
Open or short in control circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0448

EVAP Emission System- Vent Control Circuit Shorted

Trouble Code Conditions: Detects a short to battery on vent valve output circuit. No disabling faults present. Engine running.

Possible Causes:



Poor connection
 
Short to battery in CCV circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0449

EVAP Emission System- Vent Valve/Solenoid Circuit

Trouble Code Conditions: Circuit continuity check open.

Possible Causes:



Poor connection
 
Open or short to ground in power circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0451

EVAP Pressure Sensor Performance

Trouble Code Conditions: Engine at idle speed with the vehicle speed indicating 0 mph, then with the EVAP Vent Control solenoid commanded "on", the PCM detected the FTP sensor signal variation was less than 15 mv.

Possible Causes:



FTP sensor signal or ground circuit has high resistance
 
FTP sensor is damaged or out of calibration
 
EVAP canister close valve (CCV) is stuck closed
 
PCM has failed
 

Trouble Code: P0452

EVAP Pressure Sensor Circuit Low Input

Trouble Code Conditions: Key on or engine running and the PCM detected the Fuel Tank Pressure (FTP) sensor signal was less than 0.14 volt during the test.

Possible Causes:



FTP sensor signal circuit is shorted to ground
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0453

EVAP Pressure Sensor Circuit High Input

Trouble Code Conditions: Key on or engine running and the PCM detected the Fuel Tank Pressure (FTP) sensor signal was more than 4.90 volts during the test.

Possible Causes:



FTP sensor signal circuit is open
 
FTP sensor ground circuit is open
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0454

EVAP Emission System- Pressure Sensor Intermittent

Trouble Code Conditions: The PCM measures pressure stability in the fuel tank, by means of a sensor for a predetermined duration. If fluctuation is larger than predetermined threshold a DTC is set. Sensor signal noise check.

Possible Causes:



Contact resistance in connectors
 
Faulty FTPS
 
Faulty ECM/PCM
 
Faulty FTPS
 

Trouble Code: P0455

EVAP System Large Leak Detected

Trouble Code Conditions: ECT input at 38-95°F at startup, engine running at a steady throttle at over 6.2 mph for over 2 minutes, and the PCM detected the FTP sensor signal indicated more than -15 kPa in the EVAP Leak test.

Possible Causes:



Fuel filler cap damaged, cross-threaded or loosely installed
 
Small leaks or cuts present in the EVAP vapor hoses/lines
 
EVAP purge valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0456

EVAP System Very Small Leak (0.020") Detected

Trouble Code Conditions: ECT input at 38-95°F at startup, vehicle driven at a steady speed of over 6.2 mph for 2 minutes, and then the PCM detected a very small leak (less than 0.020") in the EVAP system during the Leak test.

Possible Causes:



Fuel filler is damaged, cross-threaded, loose or missing
 
Fuel filler pipe is damaged, or a fuel vapor hose is leaking
 
Rollover valve or ORVR (valve) had failed allowing fuel in lines
 
Canister close valve clogged or stuck in open or closed position
 
Purge solenoid valve is damaged or installed improperly
 
FTP sensor is damaged or has failed
 
Leaks in the charcoal canister, or at the fuel tank seals
 

Trouble Code: P0460

Fuel Level Sensor Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected the Fuel Level sensor input did not match the fuel level during the CCM test.

Possible Causes:



Empty fuel tank, or the fuel level indicator mechanism is stuck
 
Fuel gauge incorrectly installed
 
Fuel level indicator signal circuit is open or shorted to ground
 
Fuel tank has been overfilled, or fuel level indicator is damaged
 
PCM has failed
 

Trouble Code: P0461

Fuel Level Sensor A Circuit Range/Performance

Trouble Code Conditions: Filtered and unfiltered signal of fuel sensor are monitored.

Possible Causes:



Poor connection
 
Faulty fuel level sensor
 
Faulty PCM
 

Trouble Code: P0462

Fuel Level Sensor Input Low (Sticking)

Trouble Code Conditions: Key on or engine running system voltage more than 10 volts, and the PCM detected the fuel level sensing unit signal was less than 0.2 volt.

Possible Causes:



Fuel level sending unit signal circuit shorted to VREF
 
Fuel level sending unit signal circuit shorted to system power
 
Fuel level sensing unit is damaged or the fuel tank is damaged
 
BCM or PCM has failed
 

Trouble Code: P0463

Fuel Level Sensor Input High (Sticking)

Trouble Code Conditions: Key on or engine running system voltage more than 10 volts, and the PCM detected the fuel level sensing unit signal was more than 4.5 volts.

Possible Causes:



Fuel level sending unit signal circuit shorted to VREF
 
Fuel level sending unit signal circuit shorted to system power
 
Fuel level sensing unit is damaged or the fuel tank is damaged
 
BCM or PCM has failed
 

Trouble Code: P0464

Fuel Level Sensor A Circuit Intermittent

Trouble Code Conditions: Check signal for fluctuation. The ECM sets the DTC if the fuel level signal is higher than the threshold value (signal fluctuation greater than 50 percent).

Possible Causes:



Contact resistance in connectors
 
Short to battery in fuel level (FLS) circuit
 
Faulty ECM
 

Trouble Code: P0480

Fan 1 Control Circuit Malfunction

Trouble Code Conditions: This will detect a short to ground, to battery or open circuit of fan relay output. Fault information provided by an output driver chip. No disabling faults present. Engine running. Enable time delay equal or greater than 0.5 seconds.

Possible Causes:



Poor connection
 
Open in power circuit to cooling fan
 
Open or short in control circuit to PCM
 
Faulty fan relay
 
Faulty cooling fan module
 
Faulty PCM
 

Trouble Code: P0481

Fan 2 Control Circuit Malfunction

Trouble Code Conditions: This will detect a short to ground, to battery or open circuit of fan relay output. Fault information provided by an output driver chip. No disabling faults present. Engine running. Enable time delay equal or greater than 0.5 seconds.

Possible Causes:



Poor connection
 
Open in power circuit to cooling fan
 
Open or short in control circuit to PCM
 
Faulty fan relay
 

Trouble Code: P0500

Vehicle Speed Sensor Circuit Malfunction

Trouble Code Conditions: Engine speed over 3000 rpm with Closed Throttle switch indicating "off", engine load over 70%, and the PCM detected the VSS signal did not change voltage or was missing for 30 seconds.

Possible Causes:



VSS signal circuit is open or shorted to ground
 
VSS signal circuit is shorted to VREF or to system power (B+)
 
VSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0501

Vehicle Speed Sensor Performance

Trouble Code Conditions: Engine running in gear at high speed and lover for over 1 second, and the PCM did not detect any VSS signals.

Possible Causes:



VSS signal circuit is open or shorted to ground
 
VSS signal circuit is shorted to VREF or to system power (B+)
 
VSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0504

Brake Switch A/B Correlation (1)

Trouble Code Conditions: Comparing two brake signals during driving. Case 1: Engine works. Vehicle speed sensor is normal. Case 2: Engine works. Vehicle speed sensor is normal. Vehicle speed is over 20 kph, for at least 1 second.

Possible Causes:



Poor connection
 
Open or short
 
Faulty PCM
 

Trouble Code: P0506

Idle Speed Lower Than Expected

Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 100 rpm below the Target idle speed during the CCM test.

Possible Causes:



High resistance between the main relay and IAC valve
 
High resistance between PCM and IAC valve control circuits
 
IAC valve is damaged or has failed
 
The throttle plate is carbon fouled (it may need to be cleaned)
 

Trouble Code: P0507

Idle Speed Higher Than Expected

Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 200 rpm above the Target idle speed during the CCM test.

Possible Causes:



High resistance between the main relay and IAC valve
 
High resistance between PCM and IAC valve control circuits
 
IAC valve is damaged or has failed
 
Intake air leak located below the throttle plate assembly
 

Trouble Code: P0510

Closed Throttle Position Switch Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected the Closed Throttle Position switch status did not change from "off" to "on" during normal driving.

Possible Causes:



Closed throttle switch signal circuit open or shorted to ground
 
Closed throttle switch signal circuit shorted to VREF or power
 
Closed throttle switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0532

A/C Refrigerant Pressure Sensor A Circuit Low Input

Trouble Code Conditions: Detects sensor signal short to low voltage. Engine works. Sensor output 0.05 volt.

Possible Causes:



Poor connection
 
Open in power circuit
 
Open or short to ground in signal circuit
 
Faulty A/C pressure sensor
 
Faulty PCM
 

Trouble Code: P0533

A/C Refrigerant Pressure Sensor A Circuit High Input

Trouble Code Conditions: Detects sensor signal short to high voltage. Engine works. Sensor output 4.65 volts.

Possible Causes:



Poor connection
 
Open in signal circuit open
 
Open in ground circuit
 
Faulty A/C pressure sensor
 
Faulty PCM
 

Trouble Code: P0551

Power Steering Pressure Sensor/Switch Circuit Range/Performance

Trouble Code Conditions: If a power steering switch signal is ON when the engine speed is more than 2500 rpm, load value is grater than 55 percent and engine coolant temperature is above 50 degrees F, the DTC will set. Signal of power steering pressure switch is monitored.

Possible Causes:



Poor connection
 
Faulty power steering switch
 
Open or short in power steering switch
 
Faulty PCM
 

Trouble Code: P0560

Battery Backup Line Circuit Malfunction

Trouble Code Conditions: Engine runtime over 4 minutes and the PCM did not detect any system voltage on the Battery Backup circuit for 5 seconds.

Possible Causes:



Battery backup circuit to the PCM is open
 
Battery backup fuse to the PCM is open or missing
 
Battery backup circuit to the PCM has high resistance
 
PCM has failed
 

Trouble Code: P0562

System Voltage Low Input

Trouble Code Conditions: Engine runtime over 4 minutes, and the PCM detected the system voltage was less than 8.0 volts, condition met for 5 seconds. Note: If the Battery Backup circuit is open, the vehicle will not run.

Possible Causes:



Charging system problem (charging voltage too low)
 
Battery backup circuit to the PCM has high resistance
 
Backup voltage circuit to the PCM open (intermittent fault)
 
PCM has failed
 

Trouble Code: P0563

System Voltage High Input

Trouble Code Conditions: Engine runtime over 4 minutes, and the PCM detected the system voltage was more than 17.0 volts, condition met for 5 seconds. Note: If the Battery Backup circuit is open, the vehicle will not run.

Possible Causes:



Charging system problem (charging voltage too high)
 
Backup voltage circuit to the PCM open (intermittent fault)
 
PCM has failed
 

Trouble Code: P0571

Brake Switch A Circuit

Trouble Code Conditions: PCM detects brake light input signal when the vehicle stops. VSS is normal. Vehicle speed 0 mph, during one second or more.

Possible Causes:



Poor connection
 
Open or short to ground in signal circuit
 
Faulty PCM
 

Trouble Code: P0601

PCM or TCM Internal Random Check Sum Error

Trouble Code Conditions: Key on or engine running and the PCM or the TCM detected that a Random Check Sum Error was present.

Possible Causes:



Poor terminal contact at the ECM ISC Backup Voltage circuit
 
PCM or TCM has an internal problem or has failed
 

 
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