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Transmission buzz when key in ACC

Discussion in '2.5 Gen Tundras (2014-2021)' started by Genedinlv, Oct 19, 2024.

  1. Oct 19, 2024 at 1:49 PM
    #1
    Genedinlv

    #1
    Genedinlv [OP] New Member

    Joined:
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    Noticed during drain n fill that there was buzz under truck while key in ACC position. Had ODB2 hooked up for transmission temp. Thought it was a fuel or oil pump but when I crawled under truck the sound was coming from transmission pan, could even feel it was the source. Lasted about 10 seconds after key turned off. Any ideas why tranny active in accessory mode??
     
    Genedinlv, Oct 19, 2024
    #1
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