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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 1.6L Engine - DTCS P127D To P2135 >> Diagnosis And Testing >> P1602-Pcm Not Programmed >> Possible Causes
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Possible Causes

Possible Causes 
PCM

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