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Home >> Jeep >> 2015 >> Cherokee Limited, 3.2L Eng VIN S, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS P257E To U1504 >> DTC Troubleshooting >> U0300-Internal Control Module Software Incompatibility >> Possible Causes

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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