P2102 Throttle Actuator Control Motor Circuit Low

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by gtullyt, Oct 17, 2018.

  1. gtullyt

    gtullyt Junior Member

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    Vehicle:
    2008 Prius
    Model:
    Two
    2008 Prius ~170000 mi ICE stops running, P2102 code (Throttle Actuator Motor Circuit Low) replaced throttle body, cleaned MAF with correct cleaner. runs fine for awhile. Throws the P2102 code and cleaning will not get it running again. (I am getting tired of calling the tow truck)
    Think it might be the electrical connectors. Will clean them tomorrow. Other suggestions are welcome.
    Starting Battery passed the AutoZone load test.
     
    #1 gtullyt, Oct 17, 2018
  2. Knightrider

    Knightrider Member

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    Location:
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    Vehicle:
    2008 Prius
    Model:
    II
    any luck with finding the issue? I am having similar issue - fuel tank 1/4-1/2 full - similar type issues/codes.
     
    #2 Knightrider, May 19, 2026 at 1:29 PM
  3. ChapmanF

    ChapmanF Senior Member

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    Vehicle:
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    Yes, a code that is about a circuit should always be investigated by checking out the whole circuit before replacing any parts.
     
    #3 ChapmanF, May 19, 2026 at 2:08 PM
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