i got a code 521485 fmi2 gear pos sensor..

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by freightshaker090, Apr 12, 2021.

  1. freightshaker090

    freightshaker090 Bobtail Member

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    Apr 12, 2021
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    code 521485 fmi2 gear pos sensor where is it located ??
     
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  3. Bam21133

    Bam21133 Bobtail Member

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    Apr 24, 2023
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    i have same code did you find solution or do you have to replace shift control unit
     
  4. Bam21133

    Bam21133 Bobtail Member

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    Apr 24, 2023
    0
    i have reflashed tcm and also i tried doing a relearn on transmission and clutch. clutch has passed relearn but trans gives me sensor fault
     
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