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Home >> Dodge and Ram >> 2012 >> Challenger SXT Plus >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L - DTCS P2166 To U1431 >> Diagnosis And Testing >> U0300-Internal Control Module Software Incompatibility >> Possible Causes
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Possible Causes

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

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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