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Discussion Starter #1
Hello, need help here.

today had some issues on my car, started with a telltale of blind spot monitoring not working, and then function by function stopped. Some were intermittent (e.g: wipers). Read the codes (there were 40 something) and looks like the main one is U0100-00.
cleared the codes and will be checking electric parts: battery, fuses, connections.

does anyone have some advice? How should I start?

noob here

thanks
 

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2017 Ford Taurus
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328 Posts
Sounds like a ground has corrosion on it. Start with your battery cable and work backwards from there.
 

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Discussion Starter #4
Checked the battery (12.10V on auxiliary , 10.4V during ignition. Also, checked batery terminal and the ground. No corrosion.

the ground that I found are very close to the battery and fuse box (behind driver’s headlight). Are there more grounds? I will keep searching.

also, I wasn’t able to find which fuse is the correct for the EBCM. Looked on pages 271 to 279 on manual.

any further hints are really appreciated.
 

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Discussion Starter #8
Found a strange wire coming to bcm. Removed and codes cleared (at least for now)

Sunroof stopped working when this weird looking wiring was removed.
 
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