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March 1, 2004 Service bulletin

Diagnostic trouble code (DTC) U0300 (internal control module software incompatibility) stored in the PCM...

Ford technical service bulletin 17666 for 2004 Ford F-150, 2004 Ford Explorer and 2003-2004 Ford Thunderbird and others.

Bulletin number
17666
Component
Engine and engine cooling: engine
Summary
Diagnostic trouble code (dtc) u0300 (internal control module software incompatibility) stored in the PCM with no other dtc's present. Tt

Owners of these vehicles have filed 455 complaints in the engine category.

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