Hello I need help with this 13 Cadillac ATS 2.5l purchased from an auction with 127k it had a check engine light with the temp gauge not working and stuck on cold , so I scanned it and read coolant temp sensor , I have changed the the sensor that’s located near the radiator and also replaced the thermostat, the check engine light turned off but the temperature gauge isn’t working can someone help me figure out this problem please and thank you !!
I’m working on it now but so far I have the thermostat and a temperature sensor replaced and still not working, I just got a temperature sensor connector wire I’m about change . I will post if that was the issue
Have you used a scan tool to confirm its not working? the gauge could be busted. also do you have enough coolant in the system?
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