Kia Sorento 2003-05

3.5L V6 - Auto 3

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Trouble Code: P0507



Idle Speed Higher Than Expected

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

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

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

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: P0700



TCU Request For MIL -ON-

Possible Causes:



poor connection
 
TCM
 
PCM/ECM
 

Trouble Code: P1330



Spark Timing Adjustment Circuit Malfunction

Possible Causes:



Check the RCT circuit for short to ground
 
PCM has failed
 

 
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