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Abs, Brake, and Trac off lights, c1251 & c0273

Discussion in '2nd Gen Tundras (2007-2013)' started by joeyman15, Jun 29, 2020.

  1. Jun 29, 2020 at 4:00 PM
    #1
    joeyman15

    joeyman15 [OP] New Member

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    Any experienced Toyota guys have any idea what's these lights mean? Abs, Brake, and Trac off lights are on solid. The lights used to turn on every 5th drive and would turn off on the next drive. Now they are on all the time and won't turn off. I've checked the abs wheel sensor wires and everything looks fine. Fuses look good as well.

    These are the codes I pulled with techstream: c1251 and c0273. I tried to run the Abs motor relay test with techstream and it pops up with an error and says it can't run.
     
  2. Jun 29, 2020 at 5:11 PM
    #2
    landphil

    landphil I can’t be serious.

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    C0273/13

    Description: Open in ABS Motor Relay Circuit

    Causes:
     ABS1 fuse
     Harness or connector (+BM
    circuit)
     VSC actuator (skid control
    ECU)

    C1251/51

    Description: Open in Pump Motor Circuit

    Causes:
     ABS1 fuse
     VSC actuator (skid control
    ECU)

    Double check that ABS1 fuse in the box under the hood, and for corrosion. Test for battery power on pin #16 for the "VSC Actuator connector A17" (the one on the ABS / VSC pump module) and ground on pin #1. Test the power and ground while the circuit is "loaded" with a headlight bulb, a sealed=beam light is great for this.
     
  3. Jun 29, 2020 at 5:54 PM
    #3
    joeyman15

    joeyman15 [OP] New Member

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    Pulled out the ABS1 Fuse and tested with an ohms meter and its fine. I'll check the VSC Actuator connector for power tomorrow, the mosquitos tried to carry me away.
     
  4. Jan 19, 2021 at 1:32 PM
    #4
    t_stone95

    t_stone95 New Member

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    6 Inch Pro Comp Lift
    @joeyman15 having this same issue with my 2009. Checked my relays as well. No issues there. Did you ever solve the issue?
     
  5. Jan 19, 2021 at 1:40 PM
    #5
    joeyman15

    joeyman15 [OP] New Member

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    I'm pretty sure the ABS assembly needs to be replaced because there is a relay built into it. I haven't done it yet but I found another post where someone had the same issue and that fixed it for him.
     
  6. Jan 19, 2021 at 1:43 PM
    #6
    t_stone95

    t_stone95 New Member

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    6 Inch Pro Comp Lift
    @joeyman15 pretty disappointing with only 60k miles.
     
  7. Jan 19, 2021 at 1:48 PM
    #7
    joeyman15

    joeyman15 [OP] New Member

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    It surely is, I'm only at 50k. You can find the part on ebay for $150-200, at some point I'll replace it.
     
  8. Jan 19, 2021 at 1:49 PM
    #8
    t_stone95

    t_stone95 New Member

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    do you have a part #?
     
  9. Jan 19, 2021 at 1:51 PM
    #9
    joeyman15

    joeyman15 [OP] New Member

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  10. Jan 19, 2021 at 1:52 PM
    #10
    t_stone95

    t_stone95 New Member

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  11. Apr 2, 2021 at 1:37 PM
    #11
    acrossawire

    acrossawire New Member

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    Same issue for me- ABS, emergency brake & traction control lights all on. checked fuses & disconnected negative battery terminal. no luck. @joeyman15 did replacing the ABS assembly fix your issue?
     

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