Kia_Sephia_Rio_Spectra_Optima_1998-2006

TroubleCodes (87 of 130)

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2.4L L4 VIN S Std



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: 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: 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: 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: P0600

CAN Communication Bus

Trouble Code Conditions: CAN message transfer incorrect-

Possible Causes:



Open or short in CAN line
 
Contact resistance in connectors
 
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
 

Trouble Code: P0604

PCM or TCM Internal Random Access Memory Error

Trouble Code Conditions: Key on or engine running and the PCM or TCM detected an Internal Random Access Memory (RAM) error was present.

Possible Causes:



Poor terminal contact at the ECM 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: P1115

HO2S-12 (Bank 1 Sensor 2) Heater Circuit Low Input

Trouble Code Conditions: Engine running, and PCM detected an unexpected voltage condition on the rear HO2S heater control circuit. Note: Inspect the HO2S connector for oil and water contamination.

Possible Causes:



HO2S heater control circuit open between HO2S and the PCM
 
HO2S heater control circuit is shorted to ground
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P1330

Spark Timing Adjustment Circuit Malfunction

Trouble Code Conditions: Key on, and the PCM detected an unexpected voltage condition between the ROM Change Tool circuit and the PCM.

Possible Causes:



Check the RCT circuit for short to ground
 
PCM has failed
 

Trouble Code: P1440

EVAP Canister Control System Vent Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected an unexpected voltage condition on the Canister Control Vent solenoid during the CCM test.

Possible Causes:



Canister control vent valve stuck in closed position
 
Canister control vent solenoid is open or shorted to ground
 
Canister control vent solenoid is shorted to system power (B+)
 
Canister control vent solenoid is damaged or has failed
 
PCM has failed (vent solenoid driver circuit is open or shorted)
 

Trouble Code: P1500

Vehicle Speed Sensor Performance

Trouble Code Conditions: Engine running OSS signal over 775 rpm, L4 switch indicating "off", and the PCM did not detect any VSS signals during the CCM test.

Possible Causes:



Vehicle speed sensor circuit to the Meter Fuse is open
 
VSS signal ground circuit is open
 
VSS signal circuit is open or shorted to ground
 
VSS signal circuit is shorted to VREF or system power (B+)
 
VSS is damaged or failed, or the speedometer is damaged
 
TSB 2TD004 (8/00) contains information related to this code
 

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: P1510

Idle Charge Actuator Signal Incorrect (Coil 1)

Trouble Code Conditions: Engine running and the PCM detected an unexpected voltage condition on the Idle Charge Actuator control circuit during the test.

Possible Causes:



Idle charge actuator control signal is open
 
Idle charge actuator control signal is shorted to ground
 
Idle charge actuator control signal is shorted to system power
 
Idle charge actuator is damaged or has failed
 
PCM has failed (the "driver" circuit may be open in the PCM)
 

Trouble Code: P1511

Idle Charge Actuator Signal Incorrect (Coil 2)

Trouble Code Conditions: Engine running and the PCM detected an unexpected voltage condition on the IAC Valve Closing Coil circuit during the test.

Possible Causes:



Idle charge actuator control signal is open
 
Idle charge actuator control signal is shorted to ground
 
Idle charge actuator control signal is shorted to system power
 
Idle charge actuator is damaged or has failed
 
PCM has failed (the "driver" circuit may be open in the PCM)
 

Trouble Code: P1602

Serial Communication Problem With TCM

Trouble Code Conditions: Key on or engine running, and the PCM detected problem when it tried to communicate with the TCM over the CAN network (time out).

Possible Causes:



PCM to TCM serial communication circuit is open
 
PCM to TCM serial communication circuit is shorted to ground
 
PCM to TCM serial communication circuit is shorted to power
 
TCM has failed
 

Trouble Code: P1606

Chassis Accelerator Sensor Signal Performance

Trouble Code Conditions: Engine running and the PCM detected an unexpected voltage condition on the Chassis Accelerator sensor circuit during the test.

Possible Causes:



Chassis acceleration sensor signal circuit is open
 
Chassis acceleration sensor signal circuit is shorted to ground
 
Chassis acceleration sensor signal circuit is shorted to power
 
Chassis acceleration sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1613

Engine Control Unit Self-Test Failed

Trouble Code Conditions: Key on, and the PCM detected that it failed an internal self-test.

Possible Causes:



PCM (ECU) has failed (it must be replaced to repair this fault)
 

Trouble Code: P1616

Main Relay Malfunction

Trouble Code Conditions: Key on, and the PCM detected an unexpected voltage condition on the Main Relay control circuit during the CCM test.

Possible Causes:



Main relay control circuit is open or shorted to ground
 
Main relay power circuit from ignition is open (check the fuse)
 
Main relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P1624

Cooling Fan Low Relay Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected the Cooling Fan Low Relay control circuit was in a low state during the CCM test.

Possible Causes:



Cooling fan low relay control circuit is open
 
Cooling fan low relay control circuit is shorted to ground
 
Cooling fan low relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P1625

Cooling Fan High Relay Circuit Malfunction

Trouble Code Conditions: Key on or engine running, and the PCM detected the Cooling Fan High Relay 1 or 2 Control circuit was in a low state during the test.

Possible Causes:



Cooling fan high relay 1 or 2 control circuit is open
 
Cooling fan high relay 1 or 2 control circuit is shorted to ground
 
Cooling fan high relay 1 or 2 is damaged or has failed
 
PCM has failed
 

Trouble Code: P1642

Non-Immobilizer EMS Connected to Immobilizer

Trouble Code Conditions: Key on, and the PCM detected the signal from the Immobilizer Control Unit (ICU) was inconsistent during the self-test period.

Possible Causes:



Check the ICU (controller) for any related trouble codes
 

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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