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Transmission system warning

64503 Views 113 Replies 37 Participants Last post by  sequoiasoon, 
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Hi
My wife has a 17 Ex with 45,000 miles. While on the highway driving she got a transmission system warning pop on the dash with a flashing D and P. When the car shuts off it goes away and I was able to get the warning to come back up on the highway again at about 65 mph. Car feels and drives fine. No apparent issues other than the warnings. I have a code reader but it says no codes found. Plan to take to dealer in am. Hope it’s covered under power train and hopefully nothing major. Just wanted to see if anyone else had similar.

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I have the exact same issue with the same symptoms. P0741 code. drives Perfectly fine! warning comes on at about 65mph. I did the many drain and refills and no changes. But I have always changed my trans fluid religiously at 15K so I don't think it was broken down fluids... i have a 2017 6sp EX-L AWD. So now My mechanic will be replacing the torque converter... He said he will check the TC solenoid valve too. This reeeaaaally stinks$$

I put on the VCM bypass on at 50K now I have a bad TC at 77K. I do have a history of towing a small camper under the 5K limit. Mechanic said Pilots were never meant to tow a camper. Weak transmission etc... I have the trans cooler that was put on when I bought the car new! I certainly did everything right and I now have a bad TC. To double check the diagnosis I called the Honda dealer and they said when that code comes on they replace the TC and all is fine... So I'm hoping its the fix!
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17EXLPILOT said:
My dealer stated the same in reference to just replacing the tc when that code pops up. Anyone else think these tc’s are ridiculously priced. My aftermarket diesel tc for my 800hp truck was about the same price. Just mind boggling to me. Anyway how safe is it to run with the bad tc? Wont be able to do this until after Christmas, but my wife still uses the car everyday and it drives fine. TIA
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My mechanic said its ok to run for awhile with the bad TC. eventually he said the TC will start throwing debris and clog up the INTERNAL filter. ( i replaced my external one) so when that internal filter is clogged it will stop the hydraulics from flowing and the trans will not shift and it may not even move the car. It may leave you stranded. When the internal filter needs to be changed i think he said the whole trans needs to be opened up. Other damage may have been caused too by the TC breaking up debris. How long this will take is anyones guess!
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