New to Priuschat looking for help.

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by John Abs, Dec 12, 2019.

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  1. John Abs

    John Abs New Member

    Joined:
    Dec 12, 2019
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    Location:
    Cleveland Ohio
    Vehicle:
    2008 Prius
    Model:
    ----USA----
    Need a little help guys. 2008 with 143k in decent shape. Check engine light comes and goes from time to time. Car runs fine and really has no issues. Pulled some codes: B1421 Solar sensor circuit passenger side? C2318 Low voltage error? P116 Coolant temp sensor circuit for coolant heat storage system? P1121 Coolant flow control valve position sensor circuit? I am in the Cleveland Ohio area. Any Prius experts in this area? Do not really want to take it to a Toyota dealer to be taken. Thank you!
     
    #1 John Abs, Dec 12, 2019
  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    welcome!
    start with the 12v health
     
    #2 bisco, Dec 12, 2019
  3. ChapmanF

    ChapmanF Senior Member

    Joined:
    Mar 30, 2008
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    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    Don't worry about the B1421, unless you know there was strong sun shining in the windshield when you read the codes. It is normal to have that code if it is dark or shady out.

    Elektroingenieur made a helpful wiki page about how to get access to the repair manual, which will explain the other codes and what follow-up troubleshooting is needed to find out why they are set. (You should be careful not to read too much into the one-liner "fortune cookie" you get for each code, which can be anywhere from marginally helpful to rather misleading; it's the full descriptions in the manual that really let you make sense of what the codes are telling you.)
     
    #3 ChapmanF, Dec 12, 2019
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