Kia_Sephia_Rio_Spectra_Optima_1998-2006

TroubleCodes (21 of 130)

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1.6L L4 - U/K



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: 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: 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: 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.
 

Trouble Code: P0650

Malfunction Indicator Lamp Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected an unexpected voltage condition on the Malfunction Indicator Lamp (MIL) circuit.

Possible Causes:



MIL control circuit open
 
MIL control circuit shorted to ground
 
MIL "bulb" is damaged or missing
 
PCM has failed (MIL control "driver" may be open or shorted)
 

Trouble Code: P1166

HO2S-11 Controller Adaptive Test (Bank 1)

Trouble Code Conditions: Engine started, engine running in closed loop for 2-3 minutes, and the PCM detected the Short Term fuel trim was less than -12.5% or more than +12.5%; or it detected the Long Term fuel trim value was less than -12.5%, or more than +22.4% for 5-10 seconds in the test.

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks located in front of the A/FS or HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P1505

IAC Valve Opening Coil Signal Low

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the IAC Valve Opening Coil signal remained in a low state during the test.

Possible Causes:



IAC valve control signal is open
 
IAC valve control signal is shorted to ground
 
IAC valve is damaged or has failed
 
PCM has failed (IAC "driver" circuit may be open in the PCM)
 

Trouble Code: P1506

IAC Valve Opening Coil Signal High

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the IAC Valve Opening Coil signal remained in a high state during the test.

Possible Causes:



IAC valve control signal is shorted to system power (B+)
 
IAC valve is damaged or has failed
 
PCM has failed (IAC "driver" circuit may be shorted in the PCM)
 

Trouble Code: P1507

IAC Valve Closing Coil Signal Low

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the IAC Valve Closing Coil signal remained in a low state during the test.

Possible Causes:



IAC valve control signal is open
 
IAC valve control signal is shorted to ground
 
IAC valve is damaged or has failed
 
PCM has failed (IAC "driver" circuit may be open in the PCM)
 

Trouble Code: P1508

IAC Valve Closing Coil Signal High

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the IAC Valve Closing Coil signal remained in a high state during the test.

Possible Causes:



IAC valve control signal is shorted to system power (B+)
 
IAC valve is damaged or has failed
 
PCM has failed (IAC "driver" circuit may be shorted in the PCM)
 

Trouble Code: P1529

Customer Snapshot Request Error

Trouble Code Conditions: Engine started, engine running, and the PCM did not receive the Customer Request Snapshot Data (MIL and Freeze Frame Data) as requested from the Transmission Control Module (TCM).

Possible Causes:



Transmission control module error
 
Check for trouble codes in the transmission control module
 
TSB 1-40-005 (3/01) contains information about this code
 

Trouble Code: P1586

A/T To M/T Codification

Trouble Code Conditions: Engine speed over 2200 rpm, and the PCM detected the A/T to M/T Codification input was "off" with the gear switch "on", or that the A/T to M/T Codification input was "on" with the gear switch input "off".

Possible Causes:



A/T to M/T codification input circuit is open
 
A/T to M/T codification input circuit is shorted to ground
 
A/T to M/T codification input circuit is VREF or system power
 
PCM has failed
 

Trouble Code: P1693

Antenna Error

Trouble Code Conditions: Passive mode invalid. Programming error.

Possible Causes:



Open or short in antenna or SMARTRA circuit
 
Antenna
 
SMARTRA
 
Faulty transponder
 
Faulty ECM
 

Trouble Code: P2096

Post Catalyst Fuel Trim System Too Lean (Bank 1)

Trouble Code Conditions: Case 1: Monitoring deviation of fuel trim control (long term). No relevant failure. Long term fuel trim active. Case 2: Monitoring deviation of fuel trim control (short term). No relevant failure. Short term fuel trim active. Current engine speed less than 500 rpm. Current mass air flow less than 400mg/rev. Current lambda correction mean value less than 4 percent.

Possible Causes:



Three way catalytic converter (TWC)
 
Rear HO2S
 

Trouble Code: P2097

Post Catalyst Fuel Trim System Too Rich (Bank 1)

Trouble Code Conditions: Case 1: Monitoring deviation of fuel trim control (long term). No relevant failure. Long term fuel trim active. Case 2: Monitoring deviation of fuel trim control (short term). No relevant failure. Short term fuel trim active. Current engine speed less than 500 rpm. Current mass air flow less than 400mg/rev. Current lambda correction mean value less than 4 percent.

Possible Causes:



Three way catalytic converter (TWC)
 
Rear HO2S
 

 
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