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Speed governor question

Discussion in '2nd Gen Tundras (2007-2013)' started by Twinkie_man333, Jun 27, 2025.

  1. Jun 27, 2025 at 10:25 PM
    #1
    Twinkie_man333

    #1
    Twinkie_man333 [OP] New Member

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    2013 tundra here does the ecu use the wheel speed sensors or just the vss on the transmission or a combination of both for the speed governor
     
    Twinkie_man333, Jun 27, 2025
    #1
  2. Jun 28, 2025 at 5:55 AM
    #2
    Jeff_5_7

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    Jeff_5_7 New Member

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    Houston Tx Area
    Vehicle:
    2007 RCSB 2014+ TRD Pro Conversion 5.7 4x4
    Full 2014+ Conversion Regular Cab Short Bed 4X4 2019 TRD Pro Grill, 2014+ Front End Swap 2014+ Interior/Dash Swap with TRD Pro Leather Seats, 2014+ Bed Swap with TRD Pro Stamping SOS 2/4 Drop Kit
    Wheel speeds sensors, one on each wheel. The ABS ecu reads the sensors, generates a message for the speed of the vehicle and shares it will all other ECUs.

    This is what drives the speedometer and odometer.

    The transmission has two VSS one in front one in rear on the main shaft. To the best of my understanding the ECM only uses them to monitor shaft rotation speed and control transmission shifting.
     
    Jeff_5_7, Jun 28, 2025
    #2
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