Blinking D-light please help!
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Thread: Blinking D-light please help!

  1. #1
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    Blinking D-light please help!

    Well the Odyssey had been running great with no complaints until my wife called me today and said "the green D-light thingy is flashing again" I said when did that start and she said " I dont know last week sometime" Well anyway I scanned it and it says P0845 which if I am correct it is the 3rd gear pressure switch if that is right does anyone know what the correct part # would be???? I am thinking i will replace the 2/3rd switch and the 3/4th switch I just need the part numbers and I cant seem to figure out which is which.

    28600-P7Z-003 =

    28600-P7W-003 =

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  3. #2
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    Flashing D can also mean things like your radiator fluid is mixing with tranny fluid.


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    Registered User labattsipa's Avatar
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    if you don't mind my asking,, what kind of scanner did you use?
    Pete

    Canadian working south of the border(to many K miles)
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    Quote Originally Posted by labattsipa View Post
    if you don't mind my asking,, what kind of scanner did you use?
    Its the same one they use at most Autozones I think it is an Actron OBD II code reader

  6. #5
    Registered User New Dad New Van's Avatar
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    See the troubleshootnig for P0845 - Problem in the 3rd gear pressure switch circuit below. This code does not mean your tranmission is toast - just a switch or problem in the electrical circuit.

    Didn't you just change the 3rd gear switch earlier this year? Did you use OEM part? Check the connector for a good fit to the switch.

    Please indicate in future posts that you have a 2002 EX-L - it matters.
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    UNOFFICIAL 2001 ODYSSEY THREAD: http://www.odyclub.com/forums/showth...664#post384664

  7. #6
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    The tranny fluid is pefectly clean and I have been replacing 8 qts (2 drains and refills) every 10k miles since the trans rebuild at 182k miles I now have 218k miles on the van. It runs great and shifts really good the only thing I have noticed is the 2-3 shift doesnt seem to be as firm as it once was but thats all.

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    Quote Originally Posted by New Dad New Van View Post
    See the troubleshootnig for P0845 - Problem in the 3rd gear pressure switch circuit below. This code does not mean your tranmission is toast - just a switch or problem in the electrical circuit.

    Didn't you just change the 3rd gear switch earlier this year? Did you use OEM part? Check the connector for a good fit to the switch.

    Please indicate in future posts that you have a 2002 EX-L - it matters.
    Sorry I should have listed that. I did not change the switch It never gave me a code and I just changed the fluid 2x and it seemed fine until now.

    Should I just replace the switches and be done with it? Which part number is which do you know?
    Last edited by atl3128; 11-27-2012 at 09:29 AM.

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    Quote Originally Posted by New Dad New Van View Post
    See the troubleshootnig for P0845 - Problem in the 3rd gear pressure switch circuit below. This code does not mean your tranmission is toast - just a switch or problem in the electrical circuit.

    Didn't you just change the 3rd gear switch earlier this year? Did you use OEM part? Check the connector for a good fit to the switch.

    Please indicate in future posts that you have a 2002 EX-L - it matters.
    I had a buddy check it out because I am not a mechanic. He said the 3rd gear pressure switch is bad he also said it looks as if the others were not replaced when the trans was rebuilt and i should probably replace them anyway.

    Now I just need to figure out what part numbers I need for the 2nd, 3rd and 4th gear switches????

  10. #9
    Registered User New Dad New Van's Avatar
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    There are just 2 pressure switches and they are part #12 and #13 in this diagram. I think they already come with gaskets. AUTOMATIC TRANSMISSION SENSOR - SOLENOID (5AT). Fits: 2002 Honda Odyssey EXL (LEATHER) | Sons Honda
    2001 Odyssey LX
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    UNOFFICIAL 2001 ODYSSEY THREAD: http://www.odyclub.com/forums/showth...664#post384664

  11. #10
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    Thanks for the help and sorry if this is a stupid question but which one 12 or 13 is the 3rd gear switch?

  12. #11
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    13 is the 3rd, according to page 14-365 in my Honda service manual.

  13. #12
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    Quote Originally Posted by bruce2 View Post
    13 is the 3rd, according to page 14-365 in my Honda service manual.
    Thank you

  14. #13
    Registered User New Dad New Van's Avatar
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    I'd consider replacing them both while you're at it. They are only $50 each and some consider these parts a wear item anyway.
    2001 Odyssey LX
    2003 ACURA EL Touring

    UNOFFICIAL 2001 ODYSSEY THREAD: http://www.odyclub.com/forums/showth...664#post384664

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    Quote Originally Posted by New Dad New Van View Post
    I'd consider replacing them both while you're at it. They are only $50 each and some consider these parts a wear item anyway.
    Yeah I think thats what I am going to do because they dont appear to have been changed when the trans was rebuilt

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    Well tonight my wife was driving the Odyssey and the TCS light, the check engine light and the blinking D light again. She called me and said it would not go faster than 40 mph and the engine was reving up so I told her to drop it in 2nd gear and drive it home which worked fine. I pulled the code and I am getting a P0780 code????? Does that mean the trans is dead?

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