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Home >> Chrysler >> 2011 >> 300 Base, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (5.7L - DTCS P2314 To U1431) >> Diagnosis and Testing >> U0300-Internal Control Module Software Incompatibility >> Possible Causes

Possible Causes

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POSSIBLE CAUSES 
PCM PROGRAMMED WITH INCORRECT SOFTWARE
POWERTRAIN CONTROL MODULE (PCM)

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

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