Techstream after replacing brake booster bleed issues

Discussion in 'Gen 3 Prius Technical Discussion' started by bagn, Jul 12, 2022.

  1. bagn

    bagn New Member

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    Hi guys.. here is my issue... I replaced the brake booster and then went to bleed the bakes using tecstream. I get to the brake bleed utility and start. It immediately comes up with the box saying brake bleed failed. I followed the instructions... ie brake on... car on without ready.... unplugged the fluid level sensor .... and still it doesnt work. Do i have to reset the memory and do a relearn too?? i got a replacement boster with all the same letters LC and same serial numbers.
     
    #1 bagn, Jul 12, 2022
  2. ChapmanF

    ChapmanF Senior Member

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    I've used Techstream (same laptop, same software) with two different dongles on my Gen 3, one of which could do the brake bleed procedure without incident, while the other one had lots of, um, incidents.
     
    #2 ChapmanF, Jul 12, 2022
  3. bagn

    bagn New Member

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    thanks... I guess I need a new dongle LOL
     
    #3 bagn, Jul 16, 2022
  4. bagn

    bagn New Member

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    finally got it to work... and ermm looks like the "new" booster is not so new... now i have low pressure codes as well as accumulator leaking.. time to take part off and return it!
     
    #4 bagn, Jul 16, 2022
  5. ASRDogman

    ASRDogman Senior Member

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    Used brakes parts are not really a good idea....
    I hope you can get it working soon.
     
    #5 ASRDogman, Jul 16, 2022
  6. Jsninja650

    Jsninja650 Junior Member

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    Did you check with the dealer to see if it’s covered under warranty?
     
    #6 Jsninja650, Aug 10, 2022
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