2001 Sienna VSC, Engine, and traction control lights are on
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Thread: 2001 Sienna VSC, Engine, and traction control lights are on

  1. #1
    Junior Member
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    Jan 2012
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    2001 Sienna VSC, Engine, and traction control lights are on

    Hello,
    My VSC Engine and traction control lights are on and I am getting a P1135( bank 1) code when scanned!! Is this really a sensor problem or is there something I could try first? Which sensor is bank 1?

    Thank you!!

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  3. #2
    Senior Member
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    Re: 2001 Sienna VSC, Engine, and traction control lights are on

    The VSC and TRAC lights shouldn't be at all related to the MIL (check-engine light). I've had my ABS warning lights come on when I connected my scanner to my OBD port. Were your lights all on prior to scanning?

    Here is a guide to sensor locations; Bank 1 is the tough one.

    http://www.toyotapart.com/Engine_Bank_1_and_Bank_2A-F_and_O2_Identification_T-SB-0398-09.pdf


    P1135 is very common. It is the subject of several threads in this forum...

  4. #3
    Junior Member
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    Re: 2001 Sienna VSC, Engine, and traction control lights are on

    Yes the lights were all on before connecting to the OBD port. They all came on at the same time. VSC and Traction both seem to be working. Thanks for the link I will check it out. And report anything I find....Thank you

  5. #4
    Junior Member
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    Re: 2001 Sienna VSC, Engine, and traction control lights are on

    You might want to check this, but as I recall, the VSC and TRAC OFF lights will automatically come on when the CEL comes on. Not sure if it's for all CEL's but for some issues they do.... fix the CEL and the others will turn off also.... again, ask someone who KNOWS about this, cause I'm pretty sure about it.

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