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P1600 AND P1433 CODES

I have a Honda Civic Hybrid 2004 and my check engine light came on and stayed on for a day. I had the codes pulled and reset and it came back as a 1600 and a 1433. The check engine light came back on yesterday all day and then today when I got in my car for lunch it was not on anymore. I called the Honda Dealer to find out if it was a problem and he said he didn't know and I would need to bring it in. I want to have an idea of how much its going to cost before I take it in. Its going to cost be $125 just to run the diagnostic on there. There have been no adverse affects on my car's driving. Any clues or thoughts were I can get a better understanding of the codes? At Autozone it said for P1600 it is "Loss of Kam Power; Open Circuit". The P1433 code said A/C refrigerant temp. circuit low.

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  • Anonymous Feb 21, 2009

    I have the same problem my comes on going down a hill

  • yadayada
    yadayada May 11, 2010

    Do you have the ness. technical mauals to fix this based on the code definitions, if not take it to the dealer, but here is what I know, your AC cycling switch may have stuck open, this would be the P1433, the P1600 is loss of the computer keep alive memory circuit, this could be a loose connector or connector pin at the computer, or the computer may have an internal fault, check these items first before anything else.



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SOURCE: Check Engine Code P1600 and P1433 for Hybrid

DTC P1433 Battery Module Deterioration, need to replace the battery module. Info from HDS more info...

Posted on Mar 22, 2011


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