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  1. J

    C0237 Code

    I dug deep into it with scanning and everything was looking good. Went back and double checked grounds. My first try I guess I didn't check it to well because i found a very bad ground on top of the motor on the back side that failed miserably. It's the main ground for the pcm causing all my...
  2. J

    C0237 Code

    Test drove it again the search continues looking at encoder ring now in transfer case
  3. J

    C0237 Code

    Thank you I think I ended up finding the issue with wires running across the top of transfer case
  4. J

    C0237 Code

    What ended up being the problem because I'm having same issue and going to replace the rear vss and hope it's the problem also looking for a bad wire on top of transfer case

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