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Home >> Dodge and Ram >> 2015 >> ProMaster City Base >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P2122 To U1504 >> DTC Troubleshooting >> U0300-Internal Control Module Software Incompatibility >> Possible Causes
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Possible Causes

Possible Causes
POWERTRAIN CONTROL MODULE (PCM)
PCM PROGRAMMED WITH INCORRECT SOFTWARE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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