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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.4L Engine - DTCS P0335 To P0508 >> Diagnosis And Testing >> P0508-Idle Air Control Valve Sense Circuit Low >> Possible Causes

Possible Causes

Possible Causes 
(K61) IAC MOTOR CONTROL CIRCUIT SHORTED TO GROUND
(K961) IAC RETURN CIRCUIT OPEN
(K961) IAC RETURN CIRCUIT SHORTED TO GROUND
(K61) IAC MOTOR CONTROL CIRCUIT OPEN
IAC MOTOR
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  (Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE)  .  

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