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  • DTC P0340/P0344/P0345/P0349 - 4.6L 3V AND 5.4L 3V
Publication Date: January 19, 2006

2005-2006 Mustang
2004-2005 F-150
2005-2006 Expedition, F-Super Duty
2006 Explorer
2005-2006 Navigator
2006 Mountaineer

This article supersedes TSB 05-23-17 to update the vehicle line coverage.


Some 2005-2006 F-Super Duty and Expedition/Navigator and 2004-2005 F-150 vehicles, equipped with 5.4L 3V engine, and 2005-2006 Mustang GT vehicles, equipped with 4.6L 3V engine, may exhibit a diagnostic trouble code (DTC) P0340 and/or P0344; or 2006 Explorer 4dr/Mountaineer equipped with a 4.6L 3V engine may exhibit a (DTC) P0345 and/or P0349. This may be due to a malfunctioning diode or open phase connection in the generator.


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