Volvo diagnostics request button help

Discussion in 'Volvo Forum' started by bob32racing, Feb 23, 2017.

  1. bob32racing

    bob32racing Bobtail Member

    5
    1
    Feb 23, 2017
    0
    Ive got an older volvo wca64t truck and i cant seem to get the read out. Ive tried button in, key on, release button, but get nothing. I know the button is working because i can hold it for 3-4 seconds and it will shut the cel light off, but it comes back on right away. Am i doing something wrong or what can i do to figure the button out?
     
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