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U0300 Diagnostic Trouble Code Discussion for May 2013

PGM-FI System and A/T System Program Version Mismatch

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Trouble Ticket Help Requests for DTC U0300
Help Request Posted
2009 Ford F-150 STX 4.6L Poor Idle Quality, Limp mode VIN: 1FTRX12W49
U0300: Internal Control Module Software Incompatibility. ... installed radio I started it up. The engine idles terrible. Runs as if it has a very bad vacuum leak. There is no throttle response at all. After idling into the shop, I checked codes. Got codes P060A and U0300 from PCM...
May 24, 2013