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Home >> Dodge and Ram >> 2013 >> Challenger SXT Plus >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0461 To P0685 >> Diagnosis And Testing >> P0645-A/C Control Circuit/Open >> Possible Causes

Possible Causes

Possible Causes
(C13) A/C CLUTCH RELAY CONTROL CIRCUIT OPEN
(C13) A/C CLUTCH RELAY CONTROL CIRCUIT SHORTED TO GROUND
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)

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

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