Brake Actuator and Combination Meter bad...?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by P08A80, Feb 17, 2026 at 4:09 PM.

  1. P08A80

    P08A80 Junior Member

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    Location:
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    Vehicle:
    2007 Prius
    Model:
    Touring
    Dash lights don't come on. Tried YouTube fixes to no avail. It has come on before just to shut off again.

    I hear the dreadful brake pressurizing sound every few seconds constantly.

    We bought this car not long ago for cheap without carefully diagnosing any issues.

    It's noted to have been driven on a 10.5v triple A battery for quite some time. I'm wondering if that's what caused the electrical systems to fail. After watching a bunch of YouTube videos, am.i correct to think that it's a brake actuator going bad and a combination meter going bad?

    If so, is it worth fixing? It might be too pricey. The car has 120k miles, 2008, and perfect hybrid battery 54mpg+. I left it at a shop, still waiting to hear back.

    Any tips or advice is welcomed.

    Ps. I also know I can diy the combination meter capacitor and even the brake actuator but I have no experience doing large car jobs. (The capacitor change sound is fun but not the actuator).
     
  2. Tombukt2

    Tombukt2 Senior Member

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    Model:
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    You're not supposed to leave it at shops did you replace the 12 volt and get a 12 volt battery instead of a 10 and a half volt? Do you have all the amber lights on dash . For abs . Hearing do not matter
     
  3. Tombukt2

    Tombukt2 Senior Member

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    You can get the dashboard to come back on easily and then if you keep the car awake it won't go to sleep the dash that is . Usually you bring it home and try some stuff first before you haul it off to a shop because you might just get it working at the house . Was driving fine no dash . So if you remember how much gas you had you good
     
  4. JC91006

    JC91006 Senior Member

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    Vehicle:
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    Model:
    II
    You probably got what you paid for if you paid a "cheap" price for it. There shouldn't be any 120k miles 2008 that's "cheap". Chances are the miles have been rolled back and the car has much higher mileage than what it's showing. A carfax should give you more information on it's history.

    As for the combination meter and brake actuator. Yes those are common failures on an older 2008. If you have no experience doing big car jobs, then you probably don't want to tackle an important part like a brake actuator. It requires special tools to bleed the brakes afterwords.

    I'm guessing you paid less than $3000 for the car. So if that's the case, the 2 repairs you are needing will total the car as it will cost you $3000 or more to address both problems at a shop. Even DIY, the brake actuator will cost $1500 or more just for the parts. Some people buy used, but I would not recommend anyone to have to do this repair twice, when it fails again.
     
  5. Tombukt2

    Tombukt2 Senior Member

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    Nah you're going to get on eBay and find you the correct code break actuator for 300 bucks it'll take you 2 hours with Walmart tools to put it in maybe a tad longer if you're that type. The CM monitor display you mite as well add 88 bux for outter vent covers . Pulling the dash and changing out the CM monitor is about a similar repair 2 hours you get one proper from Texas hybrids 175. New basically. You can do this easy peasy it all plugs up . What else have you got going on? You get er done . And ride a long time. I just picked up an 05 just like I wanted a grand.. white car . Dash is on for brakes . Braking great. Everything else is spot on no TPMS or p0420 nothing 234K