“Check charging system” 2006 navigator

Lincoln Navigator / Lincoln Aviator

  1. Freedomjesse

    Freedomjesse New LVC Member

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    So I keep getting this message. Took alternator off and had it tested and was fine. Battery also, and is only 9 months old. Took all connections off and cleaned them and still nothing. Keep pulling the same code. Anyone else have any insight on this?

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  2. 04_Sport_LS

    04_Sport_LS Dedicated LVC Member

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    Google search:

    " jThe B1676 code is set when the Anti-Lock Brake System (ABS) module detects system voltage is less than 9 volts or grater than 19 volts for more than 8 seconds. In other words if the battery voltage is too low or the alternator is not charging properly the B1676 code will set "

    The PCM regulates the alternator voltage... Probably through the " F " terminal. Time to get a wiring diagram and figure out where that is at.
     

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