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P1670 Error Help Request

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Old Sep 19, 2021 | 01:02 PM
  #1  
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djed
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Laughing Gas
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From: Los Angeles/Ventura, CA
P1670 Error Help Request

Just got the truck (2001 F350) back from the transmission shop (transmission rebuild) and I’ve had hard-ish starts and now a P1670 error code.

As background, I replaced my battery wires last year with welding wire and new lugs. I also installed a toggle switch in the cab to kill the IDM (see Springer Pop’s website).

Any thoughts on what might be throwing this code?

I have yet to verify the connections to the starter but I may start there.

Thanks!!
 
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Old Sep 19, 2021 | 03:15 PM
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Sous
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Do you have a CEL illuminated?






Pinpoint test FJ is attached to this post as a PDF.
 
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Old Sep 19, 2021 | 04:43 PM
  #3  
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djed
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Laughing Gas
Joined: Jul 2012
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From: Los Angeles/Ventura, CA
Originally Posted by Sous
Do you have a CEL illuminated?
Nope. I’m wondering if my solder job to add the IDM toggle switch is failing.
 
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