Berlin261
New Member
- Thread starter
- #1
Hello, so I'll try and keep this pretty short, the last 4-5 weeks, my CHT has slowly been climbing up, when I bought this mustang, it would max around 225-230 and that's with me leaning into it keeping it around 80 or 90 in 6th.
As of recently, it's been hitting 245 every night on my way home, I've done the basic mods, intake, exhaust, tune, also put in a cold case radiator, and aluminum coolant tank ( stock was beaten and weathered from a hood scoop )
I started trouble shooting with the normal, checked coolant, changed oil, cleaned intake etc. but none of that helped, this morning I installed a new thermostat, hoping that was it, still nothing.
I had my Uncle use his scanner on the car since his is a bit more fancier, and he was able to monitor CHT directly, on the scanner it looked fine, I ran it up the road and it stayed between 217-223F, yet on the gauge screen, it still showed between 230-245.
I did a little bit of digging and found a few people saying it could be a bad BCM, causing the screen to display the wrong info, and I should note I've also had other issues with the interior electronics, my heated/cooled seats "turn on" but don't work, the radio every now and then just random says something like window.exe has failed to start and must shut down, and the interior lights don't rlly work, maybe twice a month the passenger side light will come on for a flicker, or a few minutes, then back to nothing.
Anyone have any clue what's potentially happening here? Should I try replacing the whole BCM? Not really sure the best route to take here as I'd like to avoid a dealer or mechanic if possible. Thanks
As of recently, it's been hitting 245 every night on my way home, I've done the basic mods, intake, exhaust, tune, also put in a cold case radiator, and aluminum coolant tank ( stock was beaten and weathered from a hood scoop )
I started trouble shooting with the normal, checked coolant, changed oil, cleaned intake etc. but none of that helped, this morning I installed a new thermostat, hoping that was it, still nothing.
I had my Uncle use his scanner on the car since his is a bit more fancier, and he was able to monitor CHT directly, on the scanner it looked fine, I ran it up the road and it stayed between 217-223F, yet on the gauge screen, it still showed between 230-245.
I did a little bit of digging and found a few people saying it could be a bad BCM, causing the screen to display the wrong info, and I should note I've also had other issues with the interior electronics, my heated/cooled seats "turn on" but don't work, the radio every now and then just random says something like window.exe has failed to start and must shut down, and the interior lights don't rlly work, maybe twice a month the passenger side light will come on for a flicker, or a few minutes, then back to nothing.
Anyone have any clue what's potentially happening here? Should I try replacing the whole BCM? Not really sure the best route to take here as I'd like to avoid a dealer or mechanic if possible. Thanks
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