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VSC/ABS does not recognize shift lever P

Discussion in '3rd Gen. Tacomas (2016-2023)' started by DeutschlandTacoma, Dec 5, 2022.

  1. Dec 5, 2022 at 10:57 AM
    #1
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    Hi, I have a problem with my 2020 Tacoma TRD pro.
    I cannot calibrate the VSC because the ECU does not recognize the shift lever position P.
    If I look at the live data in the transmission ECU then the shifter positions are correct.

    Attached are 2 images of the live data from the VSC ECU.

    I hope somebody can help me

    Data_List_Tacoma1 (1).jpg
    Data_List_Tacoma2 (1).jpg
     
  2. Dec 5, 2022 at 12:45 PM
    #2
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    Im Video ist zu sehen, dass der Lernvorgang nicht richtig funktioniert, weil die Schlupfkontrollleuchte nicht blinkt

     
  3. Dec 5, 2022 at 5:09 PM
    #3
    ShimStack

    ShimStack Well-Known Member

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    I don't have an auto but there's a park/ neutral switch on the passenger side of the transmission. I'd start there and also confirm it shifts fully into park.
     
  4. Dec 6, 2022 at 7:09 AM
    #4
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    I'll check the P/N switch soon
     
  5. Dec 6, 2022 at 9:40 AM
    #5
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    I just took a closer look at my engine ECU and looked up the part number on the internet. I was told that the part number does not match my vehicle at all, the part was only installed up to 2018 and my Tacoma is built in 2020.

    Maybe that's the mistake?

    IMG_20221206_175538238.jpg
     
  6. Dec 6, 2022 at 9:51 AM
    #6
    TnShooter

    TnShooter The TacomaWorld Stray

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    Just to be clear.
    The TCM aka: Transmission ECU shows the correct gear.
    The main ECU does not?
     
  7. Dec 6, 2022 at 9:55 AM
    #7
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    Yes, the correct gear is displayed in the engine ECU (ECM) / transmission ECU.
    Only in the VSC/ABS ECU you can't see the gear
     
  8. Dec 6, 2022 at 10:39 AM
    #8
    TnShooter

    TnShooter The TacomaWorld Stray

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    You have no other trouble codes present, correct?
     
  9. Dec 6, 2022 at 10:44 AM
    #9
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    No other DTC's
     
  10. Dec 6, 2022 at 11:51 AM
    #10
    cryptolime

    cryptolime Here to Help

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    especially if the vehicle was flood damaged.
     
  11. Dec 6, 2022 at 11:52 AM
    #11
    cryptolime

    cryptolime Here to Help

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    that's the wrong ECU for your truck. for 2016-2017 trucks. those didn't have the TSS system.
     
  12. Dec 6, 2022 at 11:54 AM
    #12
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    Park/Neutral switch is OK. I measured it and the live data in the transmission ECU are also ok
     
  13. Dec 6, 2022 at 11:55 AM
    #13
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    what is the correct part number
     
  14. Dec 6, 2022 at 12:15 PM
    #14
    DeutschlandTacoma

    DeutschlandTacoma [OP] Well-Known Member

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    And what exactly is TSS, I can't think of a German translation right now
     
  15. Dec 6, 2022 at 12:16 PM
    #15
    tirediron

    tirediron Well-Known Member

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    "Toyota Safety Sense" - Adaptive cruise control, etc.
     
    DeutschlandTacoma[OP] likes this.
  16. Dec 6, 2022 at 12:33 PM
    #16
    cryptolime

    cryptolime Here to Help

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    Toyota Safety Sense
     
  17. Dec 6, 2022 at 12:34 PM
    #17
    cryptolime

    cryptolime Here to Help

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    i'm not sure, there are so many different ones. Don't want to give you the wrong one.
     

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