Kia_Sephia_Rio_Spectra_Optima_1998-2006

TroubleCodes (17 of 130)

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1.6L L4 - Std



Trouble Code: P0343

Camshaft Position Sensor High Input

Trouble Code Conditions: Engine cranking and the PCM detected the CMP sensor signal was above a threshold value stored in memory during the CCM test.

Possible Causes:



CMP sensor signal circuit is shorted to VREF or system power
 
CMP sensor is damaged or has failed
 
PCM has failed
 

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: 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: P0443

EVAP Purge Control Valve Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected an unexpected voltage condition on the EVAP Purge Control solenoid circuit.

Possible Causes:



Injector Fuse (B+) open to the Purge solenoid power circuit
 
Purge control solenoid control circuit is open or grounded
 
Purge control solenoid circuit is shorted to system power (B+)
 
Purge control solenoid is damaged or has failed
 
PCM has failed (Purge solenoid driver may be open or shorted)
 

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: P0446

EVAP Emission System- Vent Control Circuit

Trouble Code Conditions: CCV stuck open. Time after engine start greater than 600 seconds. Idle speed controller activated. Coolant temperature less than 12 degrees F.

Possible Causes:



Poor connection
 
CCV
 
ECM/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: P0450

EVAP Pressure Sensor Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected the Fuel Tank Pressure sensor signal was more than 4.9 volts or less than 0.14 volt.

Possible Causes:



FTP sensor signal circuit open or shorted to ground
 
FTP sensor signal circuit shorted to VREF or system power
 
FTP sensor is damaged or has failed
 
PCM has failed
 

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: 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: P0457

Evaporative Emission System- Leak Detected (Tank Cap Loose/Off)

Trouble Code Conditions: Large leak caused by fuel cap loosened.

Possible Causes:



Fuel cap
 
Faulty ECM/PCM
 

Trouble Code: P0458

Evaporative Emission System Purge Control valve Circuit Low

Trouble Code Conditions: Circuit continuity check, low.

Possible Causes:



Poor connection
 
Short to ground in control circuit
 
PCSV
 
Faulty ECM/PCM
 

Trouble Code: P0459

Evaporative Emission System Purge Control valve Circuit High

Trouble Code Conditions: Circuit continuity check, high.

Possible Causes:



Poor connection
 
Short to power in control circuit
 
PCSV
 
Faulty ECM/PCM
 

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: P0496

Evaporative Emission System High Purge Flow

Trouble Code Conditions: Fuel tank pressure behavior (canister purge valve stuck). Time after engine start 600 seconds. Idle speed controller activated. Mixture adaptation activated. Coolant temperature at start 11.88 degrees F. Tank ventilation must be active for 10 seconds.

Possible Causes:



Leakage at the fuel evaporative system
 
PCSV
 
Faulty ECM/PCM
 

Trouble Code: P0497

Evaporative Emission System Low Purge Flow

Trouble Code Conditions: Fuel tank pressure behavior (canister purge valve stuck). Time after engine start 600 seconds. Idle speed controller activated. Mixture adaptation activated. Coolant temperature at start 11.88 degrees F. Tank ventilation must be active for 10 seconds.

Possible Causes:



Clog in the fuel evaporative system
 
PCSV
 
Faulty ECM/PCM
 

Trouble Code: P0498

Evaporative Emission System Vent Valve Control Circuit Low

Trouble Code Conditions: Circuit continuity check, low.

Possible Causes:



Poor connection
 
Short to ground in control circuit
 
CCV
 
Faulty ECM/PCM
 

Trouble Code: P0499

Evaporative Emission System Vent Valve Control Circuit High

Trouble Code Conditions: Circuit continuity check, high.

Possible Causes:



Poor connection
 
Short to power in control circuit
 
CCV
 
Faulty ECM/PCM
 

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: P0505

Idle Speed System Malfunction

Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed more than 100-200 rpm above or below the Target idle speed during the 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: 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: 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: 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: P0561

System Voltage Unstable

Trouble Code Conditions: Engine runtime over 4 minutes, and the PCM detected the system voltage rapidly changed its value by more than 3 volts. Note: If the Battery Backup circuit is open, the vehicle will not run.

Possible Causes:



Charging system problem (charging voltage interrupted)
 
Backup voltage circuit to the PCM open (intermittent fault)
 
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: 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
 

Trouble Code: P0605

PCM (Internal Controller) ROM Error

Trouble Code Conditions: Key on for 1 second, and the PCM detected an internal ROM error occurred during the initial Self-Test.

Possible Causes:



Clear the trouble codes and retest for this trouble code. If the same trouble code resets, the PCM has failed and must be replaced to repair this problem.
 

 
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