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Hello guys, I am owner of USDM Accord 2018 EX-L 1.5T. I am live in Europe, car was imported by previous owner when he moves from San Francisco to Prague, Czechia.
Here in Europe, we use Celsious to define temperatures, so it is little bit unconfortable to have it in Fahrenheit. I also see some post from USA guy, who got Cannadian version of Accord and he is in opposite situation.
I did research and find out, how to change units in our Accords. It is about hardware replacement.
Behind the glove box is climate blower unit. There is computer assy unit mounted on the right.
USDM part number - 79600-TVA-A41 - programmed to work with Fahrenheit
Cannadian part number - 79600-TVA-C41 - programmed to work with Celsius
This is only hardware you need to exchange.
Celsius are show with decimals and step is half degree. It will be show correctly on infotaiment system, but not on the climate control panel, where are no decimal numbers on USDM version hardware.
If you want decimals on control panel, you need to exchange also this part
79610-TVA-A51ZA - USDM Touring trim
79610-TVA-A31ZA - USDM EX-L
79610-TVA-C51ZA - CAD Touring trim
79610-TVA-C31ZA - CAD EX-L
You can find correct panel for your trim in hondapartsnow.com catalog and them just replace A to C to get cannadian version.
All parts are available on requst via Honda dealer network.
Replacing parts is expensive way, but there is another option. We can flash firmware in computer assy unit using UPA programmer. There is 93C86 chip, which can be flashed.
I am waiting for my programmer to arrive, I update this post in two weeks. I am also playing with idea, that climate control pannel display is same on both USDM and CAD version and there is only different firmware. I will see when I read eeprom from both panels. (I was lucky, I got cannadian pannel from eBay for just ~$50.)
UPDATE:
Regarding clima control panel, there are different displays, so only way to get decimals is to buy canadian version of panel. On the other hand, decimals are show on infotaiment screen, so it is not so important and this panel is so expensive, about $300.
Here in Europe, we use Celsious to define temperatures, so it is little bit unconfortable to have it in Fahrenheit. I also see some post from USA guy, who got Cannadian version of Accord and he is in opposite situation.
I did research and find out, how to change units in our Accords. It is about hardware replacement.
Behind the glove box is climate blower unit. There is computer assy unit mounted on the right.
USDM part number - 79600-TVA-A41 - programmed to work with Fahrenheit
Cannadian part number - 79600-TVA-C41 - programmed to work with Celsius
This is only hardware you need to exchange.
Celsius are show with decimals and step is half degree. It will be show correctly on infotaiment system, but not on the climate control panel, where are no decimal numbers on USDM version hardware.
If you want decimals on control panel, you need to exchange also this part
79610-TVA-A51ZA - USDM Touring trim
79610-TVA-A31ZA - USDM EX-L
79610-TVA-C51ZA - CAD Touring trim
79610-TVA-C31ZA - CAD EX-L
You can find correct panel for your trim in hondapartsnow.com catalog and them just replace A to C to get cannadian version.
All parts are available on requst via Honda dealer network.
Replacing parts is expensive way, but there is another option. We can flash firmware in computer assy unit using UPA programmer. There is 93C86 chip, which can be flashed.
I am waiting for my programmer to arrive, I update this post in two weeks. I am also playing with idea, that climate control pannel display is same on both USDM and CAD version and there is only different firmware. I will see when I read eeprom from both panels. (I was lucky, I got cannadian pannel from eBay for just ~$50.)
UPDATE:
Regarding clima control panel, there are different displays, so only way to get decimals is to buy canadian version of panel. On the other hand, decimals are show on infotaiment screen, so it is not so important and this panel is so expensive, about $300.