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Home >> Dodge and Ram >> 2011 >> Durango Express, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> DTCS P2305 To U1449 >> 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  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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